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- /**
- * @author Tim Knip / http://www.floorplanner.com/ / tim at floorplanner.com
- * @author Tony Parisi / http://www.tonyparisi.com/
- */
- THREE.ColladaLoader = function () {
- var COLLADA = null;
- var scene = null;
- var visualScene;
- var kinematicsModel;
- var readyCallbackFunc = null;
- var sources = {};
- var images = {};
- var animations = {};
- var controllers = {};
- var geometries = {};
- var materials = {};
- var effects = {};
- var cameras = {};
- var lights = {};
- var animData;
- var kinematics;
- var visualScenes;
- var kinematicsModels;
- var baseUrl;
- var morphs;
- var skins;
- var flip_uv = true;
- var preferredShading = THREE.SmoothShading;
- var options = {
- // Force Geometry to always be centered at the local origin of the
- // containing Mesh.
- centerGeometry: false,
- // Axis conversion is done for geometries, animations, and controllers.
- // If we ever pull cameras or lights out of the COLLADA file, they'll
- // need extra work.
- convertUpAxis: false,
- subdivideFaces: true,
- upAxis: 'Y',
- // For reflective or refractive materials we'll use this cubemap
- defaultEnvMap: null
- };
- var colladaUnit = 1.0;
- var colladaUp = 'Y';
- var upConversion = null;
- function load ( url, readyCallback, progressCallback, failCallback ) {
- var length = 0;
- if ( document.implementation && document.implementation.createDocument ) {
- var request = new XMLHttpRequest();
- request.onreadystatechange = function() {
- if ( request.readyState === 4 ) {
- if ( request.status === 0 || request.status === 200 ) {
- if ( request.response ) {
- readyCallbackFunc = readyCallback;
- parse( request.response, undefined, url );
- } else {
- if ( failCallback ) {
- failCallback( { type: 'error', url: url } );
- } else {
- console.error( "ColladaLoader: Empty or non-existing file (" + url + ")" );
- }
- }
- }else{
- if( failCallback ){
- failCallback( { type: 'error', url: url } );
- }else{
- console.error( 'ColladaLoader: Couldn\'t load "' + url + '" (' + request.status + ')' );
- }
- }
- } else if ( request.readyState === 3 ) {
- if ( progressCallback ) {
- if ( length === 0 ) {
- length = request.getResponseHeader( "Content-Length" );
- }
- progressCallback( { total: length, loaded: request.responseText.length } );
- }
- }
- };
- request.open( "GET", url, true );
- request.send( null );
- } else {
- alert( "Don't know how to parse XML!" );
- }
- }
- function parse( text, callBack, url ) {
- COLLADA = new DOMParser().parseFromString( text, 'text/xml' );
- callBack = callBack || readyCallbackFunc;
- if ( url !== undefined ) {
- var parts = url.split( '/' );
- parts.pop();
- baseUrl = ( parts.length < 1 ? '.' : parts.join( '/' ) ) + '/';
- }
- parseAsset();
- setUpConversion();
- images = parseLib( "library_images image", _Image, "image" );
- materials = parseLib( "library_materials material", Material, "material" );
- effects = parseLib( "library_effects effect", Effect, "effect" );
- geometries = parseLib( "library_geometries geometry", Geometry, "geometry" );
- cameras = parseLib( "library_cameras camera", Camera, "camera" );
- lights = parseLib( "library_lights light", Light, "light" );
- controllers = parseLib( "library_controllers controller", Controller, "controller" );
- animations = parseLib( "library_animations animation", Animation, "animation" );
- visualScenes = parseLib( "library_visual_scenes visual_scene", VisualScene, "visual_scene" );
- kinematicsModels = parseLib( "library_kinematics_models kinematics_model", KinematicsModel, "kinematics_model" );
- morphs = [];
- skins = [];
- visualScene = parseScene();
- scene = new THREE.Group();
- for ( var i = 0; i < visualScene.nodes.length; i ++ ) {
- scene.add( createSceneGraph( visualScene.nodes[ i ] ) );
- }
- // unit conversion
- scene.scale.multiplyScalar( colladaUnit );
- createAnimations();
- kinematicsModel = parseKinematicsModel();
- createKinematics();
- var result = {
- scene: scene,
- morphs: morphs,
- skins: skins,
- animations: animData,
- kinematics: kinematics,
- dae: {
- images: images,
- materials: materials,
- cameras: cameras,
- lights: lights,
- effects: effects,
- geometries: geometries,
- controllers: controllers,
- animations: animations,
- visualScenes: visualScenes,
- visualScene: visualScene,
- scene: visualScene,
- kinematicsModels: kinematicsModels,
- kinematicsModel: kinematicsModel
- }
- };
- if ( callBack ) {
- callBack( result );
- }
- return result;
- }
- function setPreferredShading ( shading ) {
- preferredShading = shading;
- }
- function parseAsset () {
- var elements = COLLADA.querySelectorAll('asset');
- var element = elements[0];
- if ( element && element.childNodes ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- switch ( child.nodeName ) {
- case 'unit':
- var meter = child.getAttribute( 'meter' );
- if ( meter ) {
- colladaUnit = parseFloat( meter );
- }
- break;
- case 'up_axis':
- colladaUp = child.textContent.charAt(0);
- break;
- }
- }
- }
- }
- function parseLib ( q, classSpec, prefix ) {
- var elements = COLLADA.querySelectorAll(q);
- var lib = {};
- var i = 0;
- var elementsLength = elements.length;
- for ( var j = 0; j < elementsLength; j ++ ) {
- var element = elements[j];
- var daeElement = ( new classSpec() ).parse( element );
- if ( !daeElement.id || daeElement.id.length === 0 ) daeElement.id = prefix + ( i ++ );
- lib[ daeElement.id ] = daeElement;
- }
- return lib;
- }
- function parseScene() {
- var sceneElement = COLLADA.querySelectorAll('scene instance_visual_scene')[0];
- if ( sceneElement ) {
- var url = sceneElement.getAttribute( 'url' ).replace( /^#/, '' );
- return visualScenes[ url.length > 0 ? url : 'visual_scene0' ];
- } else {
- return null;
- }
- }
- function parseKinematicsModel() {
- var kinematicsModelElement = COLLADA.querySelectorAll('instance_kinematics_model')[0];
- if ( kinematicsModelElement ) {
- var url = kinematicsModelElement.getAttribute( 'url' ).replace(/^#/, '');
- return kinematicsModels[ url.length > 0 ? url : 'kinematics_model0' ];
- } else {
- return null;
- }
- }
- function createAnimations() {
- animData = [];
- // fill in the keys
- recurseHierarchy( scene );
- }
- function recurseHierarchy( node ) {
- var n = visualScene.getChildById( node.colladaId, true ),
- newData = null;
- if ( n && n.keys ) {
- newData = {
- fps: 60,
- hierarchy: [ {
- node: n,
- keys: n.keys,
- sids: n.sids
- } ],
- node: node,
- name: 'animation_' + node.name,
- length: 0
- };
- animData.push(newData);
- for ( var i = 0, il = n.keys.length; i < il; i ++ ) {
- newData.length = Math.max( newData.length, n.keys[i].time );
- }
- } else {
- newData = {
- hierarchy: [ {
- keys: [],
- sids: []
- } ]
- }
- }
- for ( var i = 0, il = node.children.length; i < il; i ++ ) {
- var d = recurseHierarchy( node.children[i] );
- for ( var j = 0, jl = d.hierarchy.length; j < jl; j ++ ) {
- newData.hierarchy.push( {
- keys: [],
- sids: []
- } );
- }
- }
- return newData;
- }
- function calcAnimationBounds () {
- var start = 1000000;
- var end = -start;
- var frames = 0;
- var ID;
- for ( var id in animations ) {
- var animation = animations[ id ];
- ID = ID || animation.id;
- for ( var i = 0; i < animation.sampler.length; i ++ ) {
- var sampler = animation.sampler[ i ];
- sampler.create();
- start = Math.min( start, sampler.startTime );
- end = Math.max( end, sampler.endTime );
- frames = Math.max( frames, sampler.input.length );
- }
- }
- return { start:start, end:end, frames:frames,ID:ID };
- }
- function createMorph ( geometry, ctrl ) {
- var morphCtrl = ctrl instanceof InstanceController ? controllers[ ctrl.url ] : ctrl;
- if ( !morphCtrl || !morphCtrl.morph ) {
- console.log("could not find morph controller!");
- return;
- }
- var morph = morphCtrl.morph;
- for ( var i = 0; i < morph.targets.length; i ++ ) {
- var target_id = morph.targets[ i ];
- var daeGeometry = geometries[ target_id ];
- if ( !daeGeometry.mesh ||
- !daeGeometry.mesh.primitives ||
- !daeGeometry.mesh.primitives.length ) {
- continue;
- }
- var target = daeGeometry.mesh.primitives[ 0 ].geometry;
- if ( target.vertices.length === geometry.vertices.length ) {
- geometry.morphTargets.push( { name: "target_1", vertices: target.vertices } );
- }
- }
- geometry.morphTargets.push( { name: "target_Z", vertices: geometry.vertices } );
- }
- function createSkin ( geometry, ctrl, applyBindShape ) {
- var skinCtrl = controllers[ ctrl.url ];
- if ( !skinCtrl || !skinCtrl.skin ) {
- console.log( "could not find skin controller!" );
- return;
- }
- if ( !ctrl.skeleton || !ctrl.skeleton.length ) {
- console.log( "could not find the skeleton for the skin!" );
- return;
- }
- var skin = skinCtrl.skin;
- var skeleton = visualScene.getChildById( ctrl.skeleton[ 0 ] );
- var hierarchy = [];
- applyBindShape = applyBindShape !== undefined ? applyBindShape : true;
- var bones = [];
- geometry.skinWeights = [];
- geometry.skinIndices = [];
- //createBones( geometry.bones, skin, hierarchy, skeleton, null, -1 );
- //createWeights( skin, geometry.bones, geometry.skinIndices, geometry.skinWeights );
- /*
- geometry.animation = {
- name: 'take_001',
- fps: 30,
- length: 2,
- JIT: true,
- hierarchy: hierarchy
- };
- */
- if ( applyBindShape ) {
- for ( var i = 0; i < geometry.vertices.length; i ++ ) {
- geometry.vertices[ i ].applyMatrix4( skin.bindShapeMatrix );
- }
- }
- }
- function setupSkeleton ( node, bones, frame, parent ) {
- node.world = node.world || new THREE.Matrix4();
- node.localworld = node.localworld || new THREE.Matrix4();
- node.world.copy( node.matrix );
- node.localworld.copy( node.matrix );
- if ( node.channels && node.channels.length ) {
- var channel = node.channels[ 0 ];
- var m = channel.sampler.output[ frame ];
- if ( m instanceof THREE.Matrix4 ) {
- node.world.copy( m );
- node.localworld.copy(m);
- if (frame === 0)
- node.matrix.copy(m);
- }
- }
- if ( parent ) {
- node.world.multiplyMatrices( parent, node.world );
- }
- bones.push( node );
- for ( var i = 0; i < node.nodes.length; i ++ ) {
- setupSkeleton( node.nodes[ i ], bones, frame, node.world );
- }
- }
- function setupSkinningMatrices ( bones, skin ) {
- // FIXME: this is dumb...
- for ( var i = 0; i < bones.length; i ++ ) {
- var bone = bones[ i ];
- var found = -1;
- if ( bone.type != 'JOINT' ) continue;
- for ( var j = 0; j < skin.joints.length; j ++ ) {
- if ( bone.sid === skin.joints[ j ] ) {
- found = j;
- break;
- }
- }
- if ( found >= 0 ) {
- var inv = skin.invBindMatrices[ found ];
- bone.invBindMatrix = inv;
- bone.skinningMatrix = new THREE.Matrix4();
- bone.skinningMatrix.multiplyMatrices(bone.world, inv); // (IBMi * JMi)
- bone.animatrix = new THREE.Matrix4();
- bone.animatrix.copy(bone.localworld);
- bone.weights = [];
- for ( var j = 0; j < skin.weights.length; j ++ ) {
- for (var k = 0; k < skin.weights[ j ].length; k ++ ) {
- var w = skin.weights[ j ][ k ];
- if ( w.joint === found ) {
- bone.weights.push( w );
- }
- }
- }
- } else {
- console.warn( "ColladaLoader: Could not find joint '" + bone.sid + "'." );
- bone.skinningMatrix = new THREE.Matrix4();
- bone.weights = [];
- }
- }
- }
- //Walk the Collada tree and flatten the bones into a list, extract the position, quat and scale from the matrix
- function flattenSkeleton(skeleton) {
- var list = [];
- var walk = function(parentid, node, list) {
- var bone = {};
- bone.name = node.sid;
- bone.parent = parentid;
- bone.matrix = node.matrix;
- var data = [ new THREE.Vector3(),new THREE.Quaternion(),new THREE.Vector3() ];
- bone.matrix.decompose(data[0], data[1], data[2]);
- bone.pos = [ data[0].x,data[0].y,data[0].z ];
- bone.scl = [ data[2].x,data[2].y,data[2].z ];
- bone.rotq = [ data[1].x,data[1].y,data[1].z,data[1].w ];
- list.push(bone);
- for (var i in node.nodes) {
- walk(node.sid, node.nodes[i], list);
- }
- };
- walk(-1, skeleton, list);
- return list;
- }
- //Move the vertices into the pose that is proper for the start of the animation
- function skinToBindPose(geometry,skeleton,skinController) {
- var bones = [];
- setupSkeleton( skeleton, bones, -1 );
- setupSkinningMatrices( bones, skinController.skin );
- var v = new THREE.Vector3();
- var skinned = [];
- for (var i = 0; i < geometry.vertices.length; i ++) {
- skinned.push(new THREE.Vector3());
- }
- for ( i = 0; i < bones.length; i ++ ) {
- if ( bones[ i ].type != 'JOINT' ) continue;
- for ( var j = 0; j < bones[ i ].weights.length; j ++ ) {
- var w = bones[ i ].weights[ j ];
- var vidx = w.index;
- var weight = w.weight;
- var o = geometry.vertices[vidx];
- var s = skinned[vidx];
- v.x = o.x;
- v.y = o.y;
- v.z = o.z;
- v.applyMatrix4( bones[i].skinningMatrix );
- s.x += (v.x * weight);
- s.y += (v.y * weight);
- s.z += (v.z * weight);
- }
- }
- for (var i = 0; i < geometry.vertices.length; i ++) {
- geometry.vertices[i] = skinned[i];
- }
- }
- function applySkin ( geometry, instanceCtrl, frame ) {
- var skinController = controllers[ instanceCtrl.url ];
- frame = frame !== undefined ? frame : 40;
- if ( !skinController || !skinController.skin ) {
- console.log( 'ColladaLoader: Could not find skin controller.' );
- return;
- }
- if ( !instanceCtrl.skeleton || !instanceCtrl.skeleton.length ) {
- console.log( 'ColladaLoader: Could not find the skeleton for the skin. ' );
- return;
- }
- var animationBounds = calcAnimationBounds();
- var skeleton = visualScene.getChildById( instanceCtrl.skeleton[0], true ) || visualScene.getChildBySid( instanceCtrl.skeleton[0], true );
- //flatten the skeleton into a list of bones
- var bonelist = flattenSkeleton(skeleton);
- var joints = skinController.skin.joints;
- //sort that list so that the order reflects the order in the joint list
- var sortedbones = [];
- for (var i = 0; i < joints.length; i ++) {
- for (var j = 0; j < bonelist.length; j ++) {
- if (bonelist[j].name === joints[i]) {
- sortedbones[i] = bonelist[j];
- }
- }
- }
- //hook up the parents by index instead of name
- for (var i = 0; i < sortedbones.length; i ++) {
- for (var j = 0; j < sortedbones.length; j ++) {
- if (sortedbones[i].parent === sortedbones[j].name) {
- sortedbones[i].parent = j;
- }
- }
- }
- var i, j, w, vidx, weight;
- var v = new THREE.Vector3(), o, s;
- // move vertices to bind shape
- for ( i = 0; i < geometry.vertices.length; i ++ ) {
- geometry.vertices[i].applyMatrix4( skinController.skin.bindShapeMatrix );
- }
- var skinIndices = [];
- var skinWeights = [];
- var weights = skinController.skin.weights;
- // hook up the skin weights
- // TODO - this might be a good place to choose greatest 4 weights
- for ( var i =0; i < weights.length; i ++ ) {
- var indicies = new THREE.Vector4(weights[i][0] ? weights[i][0].joint : 0,weights[i][1] ? weights[i][1].joint : 0,weights[i][2] ? weights[i][2].joint : 0,weights[i][3] ? weights[i][3].joint : 0);
- var weight = new THREE.Vector4(weights[i][0] ? weights[i][0].weight : 0,weights[i][1] ? weights[i][1].weight : 0,weights[i][2] ? weights[i][2].weight : 0,weights[i][3] ? weights[i][3].weight : 0);
- skinIndices.push(indicies);
- skinWeights.push(weight);
- }
- geometry.skinIndices = skinIndices;
- geometry.skinWeights = skinWeights;
- geometry.bones = sortedbones;
- // process animation, or simply pose the rig if no animation
- //create an animation for the animated bones
- //NOTE: this has no effect when using morphtargets
- var animationdata = { "name":animationBounds.ID,"fps":30,"length":animationBounds.frames / 30,"hierarchy":[] };
- for (var j = 0; j < sortedbones.length; j ++) {
- animationdata.hierarchy.push({ parent:sortedbones[j].parent, name:sortedbones[j].name, keys:[] });
- }
- console.log( 'ColladaLoader:', animationBounds.ID + ' has ' + sortedbones.length + ' bones.' );
- skinToBindPose(geometry, skeleton, skinController);
- for ( frame = 0; frame < animationBounds.frames; frame ++ ) {
- var bones = [];
- var skinned = [];
- // process the frame and setup the rig with a fresh
- // transform, possibly from the bone's animation channel(s)
- setupSkeleton( skeleton, bones, frame );
- setupSkinningMatrices( bones, skinController.skin );
- for (var i = 0; i < bones.length; i ++) {
- for (var j = 0; j < animationdata.hierarchy.length; j ++) {
- if (animationdata.hierarchy[j].name === bones[i].sid) {
- var key = {};
- key.time = (frame / 30);
- key.matrix = bones[i].animatrix;
- if (frame === 0)
- bones[i].matrix = key.matrix;
- var data = [ new THREE.Vector3(),new THREE.Quaternion(),new THREE.Vector3() ];
- key.matrix.decompose(data[0], data[1], data[2]);
- key.pos = [ data[0].x,data[0].y,data[0].z ];
- key.scl = [ data[2].x,data[2].y,data[2].z ];
- key.rot = data[1];
- animationdata.hierarchy[j].keys.push(key);
- }
- }
- }
- geometry.animation = animationdata;
- }
- }
- function createKinematics() {
- if ( kinematicsModel && kinematicsModel.joints.length === 0 ) {
- kinematics = undefined;
- return;
- }
- var jointMap = {};
- var _addToMap = function( jointIndex, parentVisualElement ) {
- var parentVisualElementId = parentVisualElement.getAttribute( 'id' );
- var colladaNode = visualScene.getChildById( parentVisualElementId, true );
- var joint = kinematicsModel.joints[ jointIndex ];
- scene.traverse(function( node ) {
- if ( node.colladaId == parentVisualElementId ) {
- jointMap[ jointIndex ] = {
- node: node,
- transforms: colladaNode.transforms,
- joint: joint,
- position: joint.zeroPosition
- };
- }
- });
- };
- kinematics = {
- joints: kinematicsModel && kinematicsModel.joints,
- getJointValue: function( jointIndex ) {
- var jointData = jointMap[ jointIndex ];
- if ( jointData ) {
- return jointData.position;
- } else {
- console.log( 'getJointValue: joint ' + jointIndex + ' doesn\'t exist' );
- }
- },
- setJointValue: function( jointIndex, value ) {
- var jointData = jointMap[ jointIndex ];
- if ( jointData ) {
- var joint = jointData.joint;
- if ( value > joint.limits.max || value < joint.limits.min ) {
- console.log( 'setJointValue: joint ' + jointIndex + ' value ' + value + ' outside of limits (min: ' + joint.limits.min + ', max: ' + joint.limits.max + ')' );
- } else if ( joint.static ) {
- console.log( 'setJointValue: joint ' + jointIndex + ' is static' );
- } else {
- var threejsNode = jointData.node;
- var axis = joint.axis;
- var transforms = jointData.transforms;
- var matrix = new THREE.Matrix4();
- for (i = 0; i < transforms.length; i ++ ) {
- var transform = transforms[ i ];
- // kinda ghetto joint detection
- if ( transform.sid && transform.sid.indexOf( 'joint' + jointIndex ) !== -1 ) {
- // apply actual joint value here
- switch ( joint.type ) {
- case 'revolute':
- matrix.multiply( m1.makeRotationAxis( axis, THREE.Math.degToRad(value) ) );
- break;
- case 'prismatic':
- matrix.multiply( m1.makeTranslation(axis.x * value, axis.y * value, axis.z * value ) );
- break;
- default:
- console.warn( 'setJointValue: unknown joint type: ' + joint.type );
- break;
- }
- } else {
- var m1 = new THREE.Matrix4();
- switch ( transform.type ) {
- case 'matrix':
- matrix.multiply( transform.obj );
- break;
- case 'translate':
- matrix.multiply( m1.makeTranslation( transform.obj.x, transform.obj.y, transform.obj.z ) );
- break;
- case 'rotate':
- matrix.multiply( m1.makeRotationAxis( transform.obj, transform.angle ) );
- break;
- }
- }
- }
- // apply the matrix to the threejs node
- var elementsFloat32Arr = matrix.elements;
- var elements = Array.prototype.slice.call( elementsFloat32Arr );
- var elementsRowMajor = [
- elements[ 0 ],
- elements[ 4 ],
- elements[ 8 ],
- elements[ 12 ],
- elements[ 1 ],
- elements[ 5 ],
- elements[ 9 ],
- elements[ 13 ],
- elements[ 2 ],
- elements[ 6 ],
- elements[ 10 ],
- elements[ 14 ],
- elements[ 3 ],
- elements[ 7 ],
- elements[ 11 ],
- elements[ 15 ]
- ];
- threejsNode.matrix.set.apply( threejsNode.matrix, elementsRowMajor );
- threejsNode.matrix.decompose( threejsNode.position, threejsNode.quaternion, threejsNode.scale );
- }
- } else {
- console.log( 'setJointValue: joint ' + jointIndex + ' doesn\'t exist' );
- }
- }
- };
- var element = COLLADA.querySelector('scene instance_kinematics_scene');
- if ( element ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'bind_joint_axis':
- var visualTarget = child.getAttribute( 'target' ).split( '/' ).pop();
- var axis = child.querySelector('axis param').textContent;
- var jointIndex = parseInt( axis.split( 'joint' ).pop().split( '.' )[0] );
- var visualTargetElement = COLLADA.querySelector( '[sid="' + visualTarget + '"]' );
- if ( visualTargetElement ) {
- var parentVisualElement = visualTargetElement.parentElement;
- _addToMap(jointIndex, parentVisualElement);
- }
- break;
- default:
- break;
- }
- }
- }
- }
- function createSceneGraph ( node, parent ) {
- var obj = new THREE.Object3D();
- var skinned = false;
- var skinController;
- var morphController;
- var i, j;
- // FIXME: controllers
- for ( i = 0; i < node.controllers.length; i ++ ) {
- var controller = controllers[ node.controllers[ i ].url ];
- switch ( controller.type ) {
- case 'skin':
- if ( geometries[ controller.skin.source ] ) {
- var inst_geom = new InstanceGeometry();
- inst_geom.url = controller.skin.source;
- inst_geom.instance_material = node.controllers[ i ].instance_material;
- node.geometries.push( inst_geom );
- skinned = true;
- skinController = node.controllers[ i ];
- } else if ( controllers[ controller.skin.source ] ) {
- // urgh: controller can be chained
- // handle the most basic case...
- var second = controllers[ controller.skin.source ];
- morphController = second;
- // skinController = node.controllers[i];
- if ( second.morph && geometries[ second.morph.source ] ) {
- var inst_geom = new InstanceGeometry();
- inst_geom.url = second.morph.source;
- inst_geom.instance_material = node.controllers[ i ].instance_material;
- node.geometries.push( inst_geom );
- }
- }
- break;
- case 'morph':
- if ( geometries[ controller.morph.source ] ) {
- var inst_geom = new InstanceGeometry();
- inst_geom.url = controller.morph.source;
- inst_geom.instance_material = node.controllers[ i ].instance_material;
- node.geometries.push( inst_geom );
- morphController = node.controllers[ i ];
- }
- console.log( 'ColladaLoader: Morph-controller partially supported.' );
- default:
- break;
- }
- }
- // geometries
- var double_sided_materials = {};
- for ( i = 0; i < node.geometries.length; i ++ ) {
- var instance_geometry = node.geometries[i];
- var instance_materials = instance_geometry.instance_material;
- var geometry = geometries[ instance_geometry.url ];
- var used_materials = {};
- var used_materials_array = [];
- var num_materials = 0;
- var first_material;
- if ( geometry ) {
- if ( !geometry.mesh || !geometry.mesh.primitives )
- continue;
- if ( obj.name.length === 0 ) {
- obj.name = geometry.id;
- }
- // collect used fx for this geometry-instance
- if ( instance_materials ) {
- for ( j = 0; j < instance_materials.length; j ++ ) {
- var instance_material = instance_materials[ j ];
- var mat = materials[ instance_material.target ];
- var effect_id = mat.instance_effect.url;
- var shader = effects[ effect_id ].shader;
- var material3js = shader.material;
- if ( geometry.doubleSided ) {
- if ( !( instance_material.symbol in double_sided_materials ) ) {
- var _copied_material = material3js.clone();
- _copied_material.side = THREE.DoubleSide;
- double_sided_materials[ instance_material.symbol ] = _copied_material;
- }
- material3js = double_sided_materials[ instance_material.symbol ];
- }
- material3js.opacity = !material3js.opacity ? 1 : material3js.opacity;
- used_materials[ instance_material.symbol ] = num_materials;
- used_materials_array.push( material3js );
- first_material = material3js;
- first_material.name = mat.name === null || mat.name === '' ? mat.id : mat.name;
- num_materials ++;
- }
- }
- var mesh;
- var material = first_material || new THREE.MeshLambertMaterial( { color: 0xdddddd, side: geometry.doubleSided ? THREE.DoubleSide : THREE.FrontSide } );
- var geom = geometry.mesh.geometry3js;
- if ( num_materials > 1 ) {
- material = new THREE.MultiMaterial( used_materials_array );
- for ( j = 0; j < geom.faces.length; j ++ ) {
- var face = geom.faces[ j ];
- face.materialIndex = used_materials[ face.daeMaterial ]
- }
- }
- if ( skinController !== undefined ) {
- applySkin( geom, skinController );
- if ( geom.morphTargets.length > 0 ) {
- material.morphTargets = true;
- material.skinning = false;
- } else {
- material.morphTargets = false;
- material.skinning = true;
- }
- mesh = new THREE.SkinnedMesh( geom, material, false );
- //mesh.skeleton = skinController.skeleton;
- //mesh.skinController = controllers[ skinController.url ];
- //mesh.skinInstanceController = skinController;
- mesh.name = 'skin_' + skins.length;
- //mesh.animationHandle.setKey(0);
- skins.push( mesh );
- } else if ( morphController !== undefined ) {
- createMorph( geom, morphController );
- material.morphTargets = true;
- mesh = new THREE.Mesh( geom, material );
- mesh.name = 'morph_' + morphs.length;
- morphs.push( mesh );
- } else {
- if ( geom.isLineStrip === true ) {
- mesh = new THREE.Line( geom );
- } else {
- mesh = new THREE.Mesh( geom, material );
- }
- }
- obj.add(mesh);
- }
- }
- for ( i = 0; i < node.cameras.length; i ++ ) {
- var instance_camera = node.cameras[i];
- var cparams = cameras[instance_camera.url];
- var cam = new THREE.PerspectiveCamera(cparams.yfov, parseFloat(cparams.aspect_ratio),
- parseFloat(cparams.znear), parseFloat(cparams.zfar));
- obj.add(cam);
- }
- for ( i = 0; i < node.lights.length; i ++ ) {
- var light = null;
- var instance_light = node.lights[i];
- var lparams = lights[instance_light.url];
- if ( lparams && lparams.technique ) {
- var color = lparams.color.getHex();
- var intensity = lparams.intensity;
- var distance = lparams.distance;
- var angle = lparams.falloff_angle;
- switch ( lparams.technique ) {
- case 'directional':
- light = new THREE.DirectionalLight( color, intensity, distance );
- light.position.set(0, 0, 1);
- break;
- case 'point':
- light = new THREE.PointLight( color, intensity, distance );
- break;
- case 'spot':
- light = new THREE.SpotLight( color, intensity, distance, angle );
- light.position.set(0, 0, 1);
- break;
- case 'ambient':
- light = new THREE.AmbientLight( color );
- break;
- }
- }
- if (light) {
- obj.add(light);
- }
- }
- obj.name = node.name || node.id || "";
- obj.colladaId = node.id || "";
- obj.layer = node.layer || "";
- obj.matrix = node.matrix;
- obj.matrix.decompose( obj.position, obj.quaternion, obj.scale );
- if ( options.centerGeometry && obj.geometry ) {
- var delta = obj.geometry.center();
- delta.multiply( obj.scale );
- delta.applyQuaternion( obj.quaternion );
- obj.position.sub( delta );
- }
- for ( i = 0; i < node.nodes.length; i ++ ) {
- obj.add( createSceneGraph( node.nodes[i], node ) );
- }
- return obj;
- }
- function getJointId( skin, id ) {
- for ( var i = 0; i < skin.joints.length; i ++ ) {
- if ( skin.joints[ i ] === id ) {
- return i;
- }
- }
- }
- function getLibraryNode( id ) {
- var nodes = COLLADA.querySelectorAll('library_nodes node');
- for ( var i = 0; i < nodes.length; i++ ) {
- var attObj = nodes[i].attributes.getNamedItem('id');
- if ( attObj && attObj.value === id ) {
- return nodes[i];
- }
- }
- return undefined;
- }
- function getChannelsForNode ( node ) {
- var channels = [];
- var startTime = 1000000;
- var endTime = -1000000;
- for ( var id in animations ) {
- var animation = animations[id];
- for ( var i = 0; i < animation.channel.length; i ++ ) {
- var channel = animation.channel[i];
- var sampler = animation.sampler[i];
- var id = channel.target.split('/')[0];
- if ( id == node.id ) {
- sampler.create();
- channel.sampler = sampler;
- startTime = Math.min(startTime, sampler.startTime);
- endTime = Math.max(endTime, sampler.endTime);
- channels.push(channel);
- }
- }
- }
- if ( channels.length ) {
- node.startTime = startTime;
- node.endTime = endTime;
- }
- return channels;
- }
- function calcFrameDuration( node ) {
- var minT = 10000000;
- for ( var i = 0; i < node.channels.length; i ++ ) {
- var sampler = node.channels[i].sampler;
- for ( var j = 0; j < sampler.input.length - 1; j ++ ) {
- var t0 = sampler.input[ j ];
- var t1 = sampler.input[ j + 1 ];
- minT = Math.min( minT, t1 - t0 );
- }
- }
- return minT;
- }
- function calcMatrixAt( node, t ) {
- var animated = {};
- var i, j;
- for ( i = 0; i < node.channels.length; i ++ ) {
- var channel = node.channels[ i ];
- animated[ channel.sid ] = channel;
- }
- var matrix = new THREE.Matrix4();
- for ( i = 0; i < node.transforms.length; i ++ ) {
- var transform = node.transforms[ i ];
- var channel = animated[ transform.sid ];
- if ( channel !== undefined ) {
- var sampler = channel.sampler;
- var value;
- for ( j = 0; j < sampler.input.length - 1; j ++ ) {
- if ( sampler.input[ j + 1 ] > t ) {
- value = sampler.output[ j ];
- //console.log(value.flatten)
- break;
- }
- }
- if ( value !== undefined ) {
- if ( value instanceof THREE.Matrix4 ) {
- matrix.multiplyMatrices( matrix, value );
- } else {
- // FIXME: handle other types
- matrix.multiplyMatrices( matrix, transform.matrix );
- }
- } else {
- matrix.multiplyMatrices( matrix, transform.matrix );
- }
- } else {
- matrix.multiplyMatrices( matrix, transform.matrix );
- }
- }
- return matrix;
- }
- function bakeAnimations ( node ) {
- if ( node.channels && node.channels.length ) {
- var keys = [],
- sids = [];
- for ( var i = 0, il = node.channels.length; i < il; i ++ ) {
- var channel = node.channels[i],
- fullSid = channel.fullSid,
- sampler = channel.sampler,
- input = sampler.input,
- transform = node.getTransformBySid( channel.sid ),
- member;
- if ( channel.arrIndices ) {
- member = [];
- for ( var j = 0, jl = channel.arrIndices.length; j < jl; j ++ ) {
- member[ j ] = getConvertedIndex( channel.arrIndices[ j ] );
- }
- } else {
- member = getConvertedMember( channel.member );
- }
- if ( transform ) {
- if ( sids.indexOf( fullSid ) === -1 ) {
- sids.push( fullSid );
- }
- for ( var j = 0, jl = input.length; j < jl; j ++ ) {
- var time = input[j],
- data = sampler.getData( transform.type, j, member ),
- key = findKey( keys, time );
- if ( !key ) {
- key = new Key( time );
- var timeNdx = findTimeNdx( keys, time );
- keys.splice( timeNdx === -1 ? keys.length : timeNdx, 0, key );
- }
- key.addTarget( fullSid, transform, member, data );
- }
- } else {
- console.log( 'Could not find transform "' + channel.sid + '" in node ' + node.id );
- }
- }
- // post process
- for ( var i = 0; i < sids.length; i ++ ) {
- var sid = sids[ i ];
- for ( var j = 0; j < keys.length; j ++ ) {
- var key = keys[ j ];
- if ( !key.hasTarget( sid ) ) {
- interpolateKeys( keys, key, j, sid );
- }
- }
- }
- node.keys = keys;
- node.sids = sids;
- }
- }
- function findKey ( keys, time) {
- var retVal = null;
- for ( var i = 0, il = keys.length; i < il && retVal === null; i ++ ) {
- var key = keys[i];
- if ( key.time === time ) {
- retVal = key;
- } else if ( key.time > time ) {
- break;
- }
- }
- return retVal;
- }
- function findTimeNdx ( keys, time) {
- var ndx = -1;
- for ( var i = 0, il = keys.length; i < il && ndx === -1; i ++ ) {
- var key = keys[i];
- if ( key.time >= time ) {
- ndx = i;
- }
- }
- return ndx;
- }
- function interpolateKeys ( keys, key, ndx, fullSid ) {
- var prevKey = getPrevKeyWith( keys, fullSid, ndx ? ndx - 1 : 0 ),
- nextKey = getNextKeyWith( keys, fullSid, ndx + 1 );
- if ( prevKey && nextKey ) {
- var scale = (key.time - prevKey.time) / (nextKey.time - prevKey.time),
- prevTarget = prevKey.getTarget( fullSid ),
- nextData = nextKey.getTarget( fullSid ).data,
- prevData = prevTarget.data,
- data;
- if ( prevTarget.type === 'matrix' ) {
- data = prevData;
- } else if ( prevData.length ) {
- data = [];
- for ( var i = 0; i < prevData.length; ++ i ) {
- data[ i ] = prevData[ i ] + ( nextData[ i ] - prevData[ i ] ) * scale;
- }
- } else {
- data = prevData + ( nextData - prevData ) * scale;
- }
- key.addTarget( fullSid, prevTarget.transform, prevTarget.member, data );
- }
- }
- // Get next key with given sid
- function getNextKeyWith( keys, fullSid, ndx ) {
- for ( ; ndx < keys.length; ndx ++ ) {
- var key = keys[ ndx ];
- if ( key.hasTarget( fullSid ) ) {
- return key;
- }
- }
- return null;
- }
- // Get previous key with given sid
- function getPrevKeyWith( keys, fullSid, ndx ) {
- ndx = ndx >= 0 ? ndx : ndx + keys.length;
- for ( ; ndx >= 0; ndx -- ) {
- var key = keys[ ndx ];
- if ( key.hasTarget( fullSid ) ) {
- return key;
- }
- }
- return null;
- }
- function _Image() {
- this.id = "";
- this.init_from = "";
- }
- _Image.prototype.parse = function(element) {
- this.id = element.getAttribute('id');
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeName === 'init_from' ) {
- this.init_from = child.textContent;
- }
- }
- return this;
- };
- function Controller() {
- this.id = "";
- this.name = "";
- this.type = "";
- this.skin = null;
- this.morph = null;
- }
- Controller.prototype.parse = function( element ) {
- this.id = element.getAttribute('id');
- this.name = element.getAttribute('name');
- this.type = "none";
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- switch ( child.nodeName ) {
- case 'skin':
- this.skin = (new Skin()).parse(child);
- this.type = child.nodeName;
- break;
- case 'morph':
- this.morph = (new Morph()).parse(child);
- this.type = child.nodeName;
- break;
- default:
- break;
- }
- }
- return this;
- };
- function Morph() {
- this.method = null;
- this.source = null;
- this.targets = null;
- this.weights = null;
- }
- Morph.prototype.parse = function( element ) {
- var sources = {};
- var inputs = [];
- var i;
- this.method = element.getAttribute( 'method' );
- this.source = element.getAttribute( 'source' ).replace( /^#/, '' );
- for ( i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'source':
- var source = ( new Source() ).parse( child );
- sources[ source.id ] = source;
- break;
- case 'targets':
- inputs = this.parseInputs( child );
- break;
- default:
- console.log( child.nodeName );
- break;
- }
- }
- for ( i = 0; i < inputs.length; i ++ ) {
- var input = inputs[ i ];
- var source = sources[ input.source ];
- switch ( input.semantic ) {
- case 'MORPH_TARGET':
- this.targets = source.read();
- break;
- case 'MORPH_WEIGHT':
- this.weights = source.read();
- break;
- default:
- break;
- }
- }
- return this;
- };
- Morph.prototype.parseInputs = function(element) {
- var inputs = [];
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[i];
- if ( child.nodeType != 1) continue;
- switch ( child.nodeName ) {
- case 'input':
- inputs.push( (new Input()).parse(child) );
- break;
- default:
- break;
- }
- }
- return inputs;
- };
- function Skin() {
- this.source = "";
- this.bindShapeMatrix = null;
- this.invBindMatrices = [];
- this.joints = [];
- this.weights = [];
- }
- Skin.prototype.parse = function( element ) {
- var sources = {};
- var joints, weights;
- this.source = element.getAttribute( 'source' ).replace( /^#/, '' );
- this.invBindMatrices = [];
- this.joints = [];
- this.weights = [];
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[i];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'bind_shape_matrix':
- var f = _floats(child.textContent);
- this.bindShapeMatrix = getConvertedMat4( f );
- break;
- case 'source':
- var src = new Source().parse(child);
- sources[ src.id ] = src;
- break;
- case 'joints':
- joints = child;
- break;
- case 'vertex_weights':
- weights = child;
- break;
- default:
- console.log( child.nodeName );
- break;
- }
- }
- this.parseJoints( joints, sources );
- this.parseWeights( weights, sources );
- return this;
- };
- Skin.prototype.parseJoints = function ( element, sources ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'input':
- var input = ( new Input() ).parse( child );
- var source = sources[ input.source ];
- if ( input.semantic === 'JOINT' ) {
- this.joints = source.read();
- } else if ( input.semantic === 'INV_BIND_MATRIX' ) {
- this.invBindMatrices = source.read();
- }
- break;
- default:
- break;
- }
- }
- };
- Skin.prototype.parseWeights = function ( element, sources ) {
- var v, vcount, inputs = [];
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'input':
- inputs.push( ( new Input() ).parse( child ) );
- break;
- case 'v':
- v = _ints( child.textContent );
- break;
- case 'vcount':
- vcount = _ints( child.textContent );
- break;
- default:
- break;
- }
- }
- var index = 0;
- for ( var i = 0; i < vcount.length; i ++ ) {
- var numBones = vcount[i];
- var vertex_weights = [];
- for ( var j = 0; j < numBones; j ++ ) {
- var influence = {};
- for ( var k = 0; k < inputs.length; k ++ ) {
- var input = inputs[ k ];
- var value = v[ index + input.offset ];
- switch ( input.semantic ) {
- case 'JOINT':
- influence.joint = value;//this.joints[value];
- break;
- case 'WEIGHT':
- influence.weight = sources[ input.source ].data[ value ];
- break;
- default:
- break;
- }
- }
- vertex_weights.push( influence );
- index += inputs.length;
- }
- for ( var j = 0; j < vertex_weights.length; j ++ ) {
- vertex_weights[ j ].index = i;
- }
- this.weights.push( vertex_weights );
- }
- };
- function VisualScene () {
- this.id = "";
- this.name = "";
- this.nodes = [];
- this.scene = new THREE.Group();
- }
- VisualScene.prototype.getChildById = function( id, recursive ) {
- for ( var i = 0; i < this.nodes.length; i ++ ) {
- var node = this.nodes[ i ].getChildById( id, recursive );
- if ( node ) {
- return node;
- }
- }
- return null;
- };
- VisualScene.prototype.getChildBySid = function( sid, recursive ) {
- for ( var i = 0; i < this.nodes.length; i ++ ) {
- var node = this.nodes[ i ].getChildBySid( sid, recursive );
- if ( node ) {
- return node;
- }
- }
- return null;
- };
- VisualScene.prototype.parse = function( element ) {
- this.id = element.getAttribute( 'id' );
- this.name = element.getAttribute( 'name' );
- this.nodes = [];
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'node':
- this.nodes.push( ( new Node() ).parse( child ) );
- break;
- default:
- break;
- }
- }
- return this;
- };
- function Node() {
- this.id = "";
- this.name = "";
- this.sid = "";
- this.nodes = [];
- this.controllers = [];
- this.transforms = [];
- this.geometries = [];
- this.channels = [];
- this.matrix = new THREE.Matrix4();
- }
- Node.prototype.getChannelForTransform = function( transformSid ) {
- for ( var i = 0; i < this.channels.length; i ++ ) {
- var channel = this.channels[i];
- var parts = channel.target.split('/');
- var id = parts.shift();
- var sid = parts.shift();
- var dotSyntax = (sid.indexOf(".") >= 0);
- var arrSyntax = (sid.indexOf("(") >= 0);
- var arrIndices;
- var member;
- if ( dotSyntax ) {
- parts = sid.split(".");
- sid = parts.shift();
- member = parts.shift();
- } else if ( arrSyntax ) {
- arrIndices = sid.split("(");
- sid = arrIndices.shift();
- for ( var j = 0; j < arrIndices.length; j ++ ) {
- arrIndices[ j ] = parseInt( arrIndices[ j ].replace( /\)/, '' ) );
- }
- }
- if ( sid === transformSid ) {
- channel.info = { sid: sid, dotSyntax: dotSyntax, arrSyntax: arrSyntax, arrIndices: arrIndices };
- return channel;
- }
- }
- return null;
- };
- Node.prototype.getChildById = function ( id, recursive ) {
- if ( this.id === id ) {
- return this;
- }
- if ( recursive ) {
- for ( var i = 0; i < this.nodes.length; i ++ ) {
- var n = this.nodes[ i ].getChildById( id, recursive );
- if ( n ) {
- return n;
- }
- }
- }
- return null;
- };
- Node.prototype.getChildBySid = function ( sid, recursive ) {
- if ( this.sid === sid ) {
- return this;
- }
- if ( recursive ) {
- for ( var i = 0; i < this.nodes.length; i ++ ) {
- var n = this.nodes[ i ].getChildBySid( sid, recursive );
- if ( n ) {
- return n;
- }
- }
- }
- return null;
- };
- Node.prototype.getTransformBySid = function ( sid ) {
- for ( var i = 0; i < this.transforms.length; i ++ ) {
- if ( this.transforms[ i ].sid === sid ) return this.transforms[ i ];
- }
- return null;
- };
- Node.prototype.parse = function( element ) {
- var url;
- this.id = element.getAttribute('id');
- this.sid = element.getAttribute('sid');
- this.name = element.getAttribute('name');
- this.type = element.getAttribute('type');
- this.layer = element.getAttribute('layer');
- this.type = this.type === 'JOINT' ? this.type : 'NODE';
- this.nodes = [];
- this.transforms = [];
- this.geometries = [];
- this.cameras = [];
- this.lights = [];
- this.controllers = [];
- this.matrix = new THREE.Matrix4();
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'node':
- this.nodes.push( ( new Node() ).parse( child ) );
- break;
- case 'instance_camera':
- this.cameras.push( ( new InstanceCamera() ).parse( child ) );
- break;
- case 'instance_controller':
- this.controllers.push( ( new InstanceController() ).parse( child ) );
- break;
- case 'instance_geometry':
- this.geometries.push( ( new InstanceGeometry() ).parse( child ) );
- break;
- case 'instance_light':
- this.lights.push( ( new InstanceLight() ).parse( child ) );
- break;
- case 'instance_node':
- url = child.getAttribute( 'url' ).replace( /^#/, '' );
- var iNode = getLibraryNode( url );
- if ( iNode ) {
- this.nodes.push( ( new Node() ).parse( iNode )) ;
- }
- break;
- case 'rotate':
- case 'translate':
- case 'scale':
- case 'matrix':
- case 'lookat':
- case 'skew':
- this.transforms.push( ( new Transform() ).parse( child ) );
- break;
- case 'extra':
- break;
- default:
- console.log( child.nodeName );
- break;
- }
- }
- this.channels = getChannelsForNode( this );
- bakeAnimations( this );
- this.updateMatrix();
- return this;
- };
- Node.prototype.updateMatrix = function () {
- this.matrix.identity();
- for ( var i = 0; i < this.transforms.length; i ++ ) {
- this.transforms[ i ].apply( this.matrix );
- }
- };
- function Transform () {
- this.sid = "";
- this.type = "";
- this.data = [];
- this.obj = null;
- }
- Transform.prototype.parse = function ( element ) {
- this.sid = element.getAttribute( 'sid' );
- this.type = element.nodeName;
- this.data = _floats( element.textContent );
- this.convert();
- return this;
- };
- Transform.prototype.convert = function () {
- switch ( this.type ) {
- case 'matrix':
- this.obj = getConvertedMat4( this.data );
- break;
- case 'rotate':
- this.angle = THREE.Math.degToRad( this.data[3] );
- case 'translate':
- fixCoords( this.data, -1 );
- this.obj = new THREE.Vector3( this.data[ 0 ], this.data[ 1 ], this.data[ 2 ] );
- break;
- case 'scale':
- fixCoords( this.data, 1 );
- this.obj = new THREE.Vector3( this.data[ 0 ], this.data[ 1 ], this.data[ 2 ] );
- break;
- default:
- console.log( 'Can not convert Transform of type ' + this.type );
- break;
- }
- };
- Transform.prototype.apply = function () {
- var m1 = new THREE.Matrix4();
- return function ( matrix ) {
- switch ( this.type ) {
- case 'matrix':
- matrix.multiply( this.obj );
- break;
- case 'translate':
- matrix.multiply( m1.makeTranslation( this.obj.x, this.obj.y, this.obj.z ) );
- break;
- case 'rotate':
- matrix.multiply( m1.makeRotationAxis( this.obj, this.angle ) );
- break;
- case 'scale':
- matrix.scale( this.obj );
- break;
- }
- };
- }();
- Transform.prototype.update = function ( data, member ) {
- var members = [ 'X', 'Y', 'Z', 'ANGLE' ];
- switch ( this.type ) {
- case 'matrix':
- if ( ! member ) {
- this.obj.copy( data );
- } else if ( member.length === 1 ) {
- switch ( member[ 0 ] ) {
- case 0:
- this.obj.n11 = data[ 0 ];
- this.obj.n21 = data[ 1 ];
- this.obj.n31 = data[ 2 ];
- this.obj.n41 = data[ 3 ];
- break;
- case 1:
- this.obj.n12 = data[ 0 ];
- this.obj.n22 = data[ 1 ];
- this.obj.n32 = data[ 2 ];
- this.obj.n42 = data[ 3 ];
- break;
- case 2:
- this.obj.n13 = data[ 0 ];
- this.obj.n23 = data[ 1 ];
- this.obj.n33 = data[ 2 ];
- this.obj.n43 = data[ 3 ];
- break;
- case 3:
- this.obj.n14 = data[ 0 ];
- this.obj.n24 = data[ 1 ];
- this.obj.n34 = data[ 2 ];
- this.obj.n44 = data[ 3 ];
- break;
- }
- } else if ( member.length === 2 ) {
- var propName = 'n' + ( member[ 0 ] + 1 ) + ( member[ 1 ] + 1 );
- this.obj[ propName ] = data;
- } else {
- console.log('Incorrect addressing of matrix in transform.');
- }
- break;
- case 'translate':
- case 'scale':
- if ( Object.prototype.toString.call( member ) === '[object Array]' ) {
- member = members[ member[ 0 ] ];
- }
- switch ( member ) {
- case 'X':
- this.obj.x = data;
- break;
- case 'Y':
- this.obj.y = data;
- break;
- case 'Z':
- this.obj.z = data;
- break;
- default:
- this.obj.x = data[ 0 ];
- this.obj.y = data[ 1 ];
- this.obj.z = data[ 2 ];
- break;
- }
- break;
- case 'rotate':
- if ( Object.prototype.toString.call( member ) === '[object Array]' ) {
- member = members[ member[ 0 ] ];
- }
- switch ( member ) {
- case 'X':
- this.obj.x = data;
- break;
- case 'Y':
- this.obj.y = data;
- break;
- case 'Z':
- this.obj.z = data;
- break;
- case 'ANGLE':
- this.angle = THREE.Math.degToRad( data );
- break;
- default:
- this.obj.x = data[ 0 ];
- this.obj.y = data[ 1 ];
- this.obj.z = data[ 2 ];
- this.angle = THREE.Math.degToRad( data[ 3 ] );
- break;
- }
- break;
- }
- };
- function InstanceController() {
- this.url = "";
- this.skeleton = [];
- this.instance_material = [];
- }
- InstanceController.prototype.parse = function ( element ) {
- this.url = element.getAttribute('url').replace(/^#/, '');
- this.skeleton = [];
- this.instance_material = [];
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType !== 1 ) continue;
- switch ( child.nodeName ) {
- case 'skeleton':
- this.skeleton.push( child.textContent.replace(/^#/, '') );
- break;
- case 'bind_material':
- var instances = child.querySelectorAll('instance_material');
- for ( var j = 0; j < instances.length; j ++ ) {
- var instance = instances[j];
- this.instance_material.push( (new InstanceMaterial()).parse(instance) );
- }
- break;
- case 'extra':
- break;
- default:
- break;
- }
- }
- return this;
- };
- function InstanceMaterial () {
- this.symbol = "";
- this.target = "";
- }
- InstanceMaterial.prototype.parse = function ( element ) {
- this.symbol = element.getAttribute('symbol');
- this.target = element.getAttribute('target').replace(/^#/, '');
- return this;
- };
- function InstanceGeometry() {
- this.url = "";
- this.instance_material = [];
- }
- InstanceGeometry.prototype.parse = function ( element ) {
- this.url = element.getAttribute('url').replace(/^#/, '');
- this.instance_material = [];
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[i];
- if ( child.nodeType != 1 ) continue;
- if ( child.nodeName === 'bind_material' ) {
- var instances = child.querySelectorAll('instance_material');
- for ( var j = 0; j < instances.length; j ++ ) {
- var instance = instances[j];
- this.instance_material.push( (new InstanceMaterial()).parse(instance) );
- }
- break;
- }
- }
- return this;
- };
- function Geometry() {
- this.id = "";
- this.mesh = null;
- }
- Geometry.prototype.parse = function ( element ) {
- this.id = element.getAttribute('id');
- extractDoubleSided( this, element );
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[i];
- switch ( child.nodeName ) {
- case 'mesh':
- this.mesh = (new Mesh(this)).parse(child);
- break;
- case 'extra':
- // console.log( child );
- break;
- default:
- break;
- }
- }
- return this;
- };
- function Mesh( geometry ) {
- this.geometry = geometry.id;
- this.primitives = [];
- this.vertices = null;
- this.geometry3js = null;
- }
- Mesh.prototype.parse = function ( element ) {
- this.primitives = [];
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- switch ( child.nodeName ) {
- case 'source':
- _source( child );
- break;
- case 'vertices':
- this.vertices = ( new Vertices() ).parse( child );
- break;
- case 'linestrips':
- this.primitives.push( ( new LineStrips().parse( child ) ) );
- break;
- case 'triangles':
- this.primitives.push( ( new Triangles().parse( child ) ) );
- break;
- case 'polygons':
- this.primitives.push( ( new Polygons().parse( child ) ) );
- break;
- case 'polylist':
- this.primitives.push( ( new Polylist().parse( child ) ) );
- break;
- default:
- break;
- }
- }
- this.geometry3js = new THREE.Geometry();
- if ( this.vertices === null ) {
- // TODO (mrdoob): Study case when this is null (carrier.dae)
- return this;
- }
- var vertexData = sources[ this.vertices.input['POSITION'].source ].data;
- for ( var i = 0; i < vertexData.length; i += 3 ) {
- this.geometry3js.vertices.push( getConvertedVec3( vertexData, i ).clone() );
- }
- for ( var i = 0; i < this.primitives.length; i ++ ) {
- var primitive = this.primitives[ i ];
- primitive.setVertices( this.vertices );
- this.handlePrimitive( primitive, this.geometry3js );
- }
- if ( this.geometry3js.calcNormals ) {
- this.geometry3js.computeVertexNormals();
- delete this.geometry3js.calcNormals;
- }
- return this;
- };
- Mesh.prototype.handlePrimitive = function ( primitive, geom ) {
- if ( primitive instanceof LineStrips ) {
- // TODO: Handle indices. Maybe easier with BufferGeometry?
- geom.isLineStrip = true;
- return;
- }
- var j, k, pList = primitive.p, inputs = primitive.inputs;
- var input, index, idx32;
- var source, numParams;
- var vcIndex = 0, vcount = 3, maxOffset = 0;
- var texture_sets = [];
- for ( j = 0; j < inputs.length; j ++ ) {
- input = inputs[ j ];
- var offset = input.offset + 1;
- maxOffset = (maxOffset < offset) ? offset : maxOffset;
- switch ( input.semantic ) {
- case 'TEXCOORD':
- texture_sets.push( input.set );
- break;
- }
- }
- for ( var pCount = 0; pCount < pList.length; ++ pCount ) {
- var p = pList[ pCount ], i = 0;
- while ( i < p.length ) {
- var vs = [];
- var ns = [];
- var ts = null;
- var cs = [];
- if ( primitive.vcount ) {
- vcount = primitive.vcount.length ? primitive.vcount[ vcIndex ++ ] : primitive.vcount;
- } else {
- vcount = p.length / maxOffset;
- }
- for ( j = 0; j < vcount; j ++ ) {
- for ( k = 0; k < inputs.length; k ++ ) {
- input = inputs[ k ];
- source = sources[ input.source ];
- index = p[ i + ( j * maxOffset ) + input.offset ];
- numParams = source.accessor.params.length;
- idx32 = index * numParams;
- switch ( input.semantic ) {
- case 'VERTEX':
- vs.push( index );
- break;
- case 'NORMAL':
- ns.push( getConvertedVec3( source.data, idx32 ) );
- break;
- case 'TEXCOORD':
- ts = ts || { };
- if ( ts[ input.set ] === undefined ) ts[ input.set ] = [];
- // invert the V
- ts[ input.set ].push( new THREE.Vector2( source.data[ idx32 ], source.data[ idx32 + 1 ] ) );
- break;
- case 'COLOR':
- cs.push( new THREE.Color().setRGB( source.data[ idx32 ], source.data[ idx32 + 1 ], source.data[ idx32 + 2 ] ) );
- break;
- default:
- break;
- }
- }
- }
- if ( ns.length === 0 ) {
- // check the vertices inputs
- input = this.vertices.input.NORMAL;
- if ( input ) {
- source = sources[ input.source ];
- numParams = source.accessor.params.length;
- for ( var ndx = 0, len = vs.length; ndx < len; ndx ++ ) {
- ns.push( getConvertedVec3( source.data, vs[ ndx ] * numParams ) );
- }
- } else {
- geom.calcNormals = true;
- }
- }
- if ( !ts ) {
- ts = { };
- // check the vertices inputs
- input = this.vertices.input.TEXCOORD;
- if ( input ) {
- texture_sets.push( input.set );
- source = sources[ input.source ];
- numParams = source.accessor.params.length;
- for ( var ndx = 0, len = vs.length; ndx < len; ndx ++ ) {
- idx32 = vs[ ndx ] * numParams;
- if ( ts[ input.set ] === undefined ) ts[ input.set ] = [ ];
- // invert the V
- ts[ input.set ].push( new THREE.Vector2( source.data[ idx32 ], 1.0 - source.data[ idx32 + 1 ] ) );
- }
- }
- }
- if ( cs.length === 0 ) {
- // check the vertices inputs
- input = this.vertices.input.COLOR;
- if ( input ) {
- source = sources[ input.source ];
- numParams = source.accessor.params.length;
- for ( var ndx = 0, len = vs.length; ndx < len; ndx ++ ) {
- idx32 = vs[ ndx ] * numParams;
- cs.push( new THREE.Color().setRGB( source.data[ idx32 ], source.data[ idx32 + 1 ], source.data[ idx32 + 2 ] ) );
- }
- }
- }
- var face = null, faces = [], uv, uvArr;
- if ( vcount === 3 ) {
- faces.push( new THREE.Face3( vs[0], vs[1], vs[2], ns, cs.length ? cs : new THREE.Color() ) );
- } else if ( vcount === 4 ) {
- faces.push( new THREE.Face3( vs[0], vs[1], vs[3], ns.length ? [ ns[0].clone(), ns[1].clone(), ns[3].clone() ] : [], cs.length ? [ cs[0], cs[1], cs[3] ] : new THREE.Color() ) );
- faces.push( new THREE.Face3( vs[1], vs[2], vs[3], ns.length ? [ ns[1].clone(), ns[2].clone(), ns[3].clone() ] : [], cs.length ? [ cs[1], cs[2], cs[3] ] : new THREE.Color() ) );
- } else if ( vcount > 4 && options.subdivideFaces ) {
- var clr = cs.length ? cs : new THREE.Color(),
- vec1, vec2, vec3, v1, v2, norm;
- // subdivide into multiple Face3s
- for ( k = 1; k < vcount - 1; ) {
- faces.push( new THREE.Face3( vs[0], vs[k], vs[k + 1], ns.length ? [ ns[0].clone(), ns[k ++].clone(), ns[k].clone() ] : [], clr ) );
- }
- }
- if ( faces.length ) {
- for ( var ndx = 0, len = faces.length; ndx < len; ndx ++ ) {
- face = faces[ndx];
- face.daeMaterial = primitive.material;
- geom.faces.push( face );
- for ( k = 0; k < texture_sets.length; k ++ ) {
- uv = ts[ texture_sets[k] ];
- if ( vcount > 4 ) {
- // Grab the right UVs for the vertices in this face
- uvArr = [ uv[0], uv[ndx + 1], uv[ndx + 2] ];
- } else if ( vcount === 4 ) {
- if ( ndx === 0 ) {
- uvArr = [ uv[0], uv[1], uv[3] ];
- } else {
- uvArr = [ uv[1].clone(), uv[2], uv[3].clone() ];
- }
- } else {
- uvArr = [ uv[0], uv[1], uv[2] ];
- }
- if ( geom.faceVertexUvs[k] === undefined ) {
- geom.faceVertexUvs[k] = [];
- }
- geom.faceVertexUvs[k].push( uvArr );
- }
- }
- } else {
- console.log( 'dropped face with vcount ' + vcount + ' for geometry with id: ' + geom.id );
- }
- i += maxOffset * vcount;
- }
- }
- };
- function Polygons () {
- this.material = "";
- this.count = 0;
- this.inputs = [];
- this.vcount = null;
- this.p = [];
- this.geometry = new THREE.Geometry();
- }
- Polygons.prototype.setVertices = function ( vertices ) {
- for ( var i = 0; i < this.inputs.length; i ++ ) {
- if ( this.inputs[ i ].source === vertices.id ) {
- this.inputs[ i ].source = vertices.input[ 'POSITION' ].source;
- }
- }
- };
- Polygons.prototype.parse = function ( element ) {
- this.material = element.getAttribute( 'material' );
- this.count = _attr_as_int( element, 'count', 0 );
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- switch ( child.nodeName ) {
- case 'input':
- this.inputs.push( ( new Input() ).parse( element.childNodes[ i ] ) );
- break;
- case 'vcount':
- this.vcount = _ints( child.textContent );
- break;
- case 'p':
- this.p.push( _ints( child.textContent ) );
- break;
- case 'ph':
- console.warn( 'polygon holes not yet supported!' );
- break;
- default:
- break;
- }
- }
- return this;
- };
- function Polylist () {
- Polygons.call( this );
- this.vcount = [];
- }
- Polylist.prototype = Object.create( Polygons.prototype );
- Polylist.prototype.constructor = Polylist;
- function LineStrips() {
- Polygons.call( this );
- this.vcount = 1;
- }
- LineStrips.prototype = Object.create( Polygons.prototype );
- LineStrips.prototype.constructor = LineStrips;
- function Triangles () {
- Polygons.call( this );
- this.vcount = 3;
- }
- Triangles.prototype = Object.create( Polygons.prototype );
- Triangles.prototype.constructor = Triangles;
- function Accessor() {
- this.source = "";
- this.count = 0;
- this.stride = 0;
- this.params = [];
- }
- Accessor.prototype.parse = function ( element ) {
- this.params = [];
- this.source = element.getAttribute( 'source' );
- this.count = _attr_as_int( element, 'count', 0 );
- this.stride = _attr_as_int( element, 'stride', 0 );
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeName === 'param' ) {
- var param = {};
- param[ 'name' ] = child.getAttribute( 'name' );
- param[ 'type' ] = child.getAttribute( 'type' );
- this.params.push( param );
- }
- }
- return this;
- };
- function Vertices() {
- this.input = {};
- }
- Vertices.prototype.parse = function ( element ) {
- this.id = element.getAttribute('id');
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- if ( element.childNodes[i].nodeName === 'input' ) {
- var input = ( new Input() ).parse( element.childNodes[ i ] );
- this.input[ input.semantic ] = input;
- }
- }
- return this;
- };
- function Input () {
- this.semantic = "";
- this.offset = 0;
- this.source = "";
- this.set = 0;
- }
- Input.prototype.parse = function ( element ) {
- this.semantic = element.getAttribute('semantic');
- this.source = element.getAttribute('source').replace(/^#/, '');
- this.set = _attr_as_int(element, 'set', -1);
- this.offset = _attr_as_int(element, 'offset', 0);
- if ( this.semantic === 'TEXCOORD' && this.set < 0 ) {
- this.set = 0;
- }
- return this;
- };
- function Source ( id ) {
- this.id = id;
- this.type = null;
- }
- Source.prototype.parse = function ( element ) {
- this.id = element.getAttribute( 'id' );
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[i];
- switch ( child.nodeName ) {
- case 'bool_array':
- this.data = _bools( child.textContent );
- this.type = child.nodeName;
- break;
- case 'float_array':
- this.data = _floats( child.textContent );
- this.type = child.nodeName;
- break;
- case 'int_array':
- this.data = _ints( child.textContent );
- this.type = child.nodeName;
- break;
- case 'IDREF_array':
- case 'Name_array':
- this.data = _strings( child.textContent );
- this.type = child.nodeName;
- break;
- case 'technique_common':
- for ( var j = 0; j < child.childNodes.length; j ++ ) {
- if ( child.childNodes[ j ].nodeName === 'accessor' ) {
- this.accessor = ( new Accessor() ).parse( child.childNodes[ j ] );
- break;
- }
- }
- break;
- default:
- // console.log(child.nodeName);
- break;
- }
- }
- return this;
- };
- Source.prototype.read = function () {
- var result = [];
- //for (var i = 0; i < this.accessor.params.length; i++) {
- var param = this.accessor.params[ 0 ];
- //console.log(param.name + " " + param.type);
- switch ( param.type ) {
- case 'IDREF':
- case 'Name': case 'name':
- case 'float':
- return this.data;
- case 'float4x4':
- for ( var j = 0; j < this.data.length; j += 16 ) {
- var s = this.data.slice( j, j + 16 );
- var m = getConvertedMat4( s );
- result.push( m );
- }
- break;
- default:
- console.log( 'ColladaLoader: Source: Read dont know how to read ' + param.type + '.' );
- break;
- }
- //}
- return result;
- };
- function Material () {
- this.id = "";
- this.name = "";
- this.instance_effect = null;
- }
- Material.prototype.parse = function ( element ) {
- this.id = element.getAttribute( 'id' );
- this.name = element.getAttribute( 'name' );
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- if ( element.childNodes[ i ].nodeName === 'instance_effect' ) {
- this.instance_effect = ( new InstanceEffect() ).parse( element.childNodes[ i ] );
- break;
- }
- }
- return this;
- };
- function ColorOrTexture () {
- this.color = new THREE.Color();
- this.color.setRGB( Math.random(), Math.random(), Math.random() );
- this.color.a = 1.0;
- this.texture = null;
- this.texcoord = null;
- this.texOpts = null;
- }
- ColorOrTexture.prototype.isColor = function () {
- return ( this.texture === null );
- };
- ColorOrTexture.prototype.isTexture = function () {
- return ( this.texture != null );
- };
- ColorOrTexture.prototype.parse = function ( element ) {
- if (element.nodeName === 'transparent') {
- this.opaque = element.getAttribute('opaque');
- }
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'color':
- var rgba = _floats( child.textContent );
- this.color = new THREE.Color();
- this.color.setRGB( rgba[0], rgba[1], rgba[2] );
- this.color.a = rgba[3];
- break;
- case 'texture':
- this.texture = child.getAttribute('texture');
- this.texcoord = child.getAttribute('texcoord');
- // Defaults from:
- // https://collada.org/mediawiki/index.php/Maya_texture_placement_MAYA_extension
- this.texOpts = {
- offsetU: 0,
- offsetV: 0,
- repeatU: 1,
- repeatV: 1,
- wrapU: 1,
- wrapV: 1
- };
- this.parseTexture( child );
- break;
- default:
- break;
- }
- }
- return this;
- };
- ColorOrTexture.prototype.parseTexture = function ( element ) {
- if ( ! element.childNodes ) return this;
- // This should be supported by Maya, 3dsMax, and MotionBuilder
- if ( element.childNodes[1] && element.childNodes[1].nodeName === 'extra' ) {
- element = element.childNodes[1];
- if ( element.childNodes[1] && element.childNodes[1].nodeName === 'technique' ) {
- element = element.childNodes[1];
- }
- }
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- switch ( child.nodeName ) {
- case 'offsetU':
- case 'offsetV':
- case 'repeatU':
- case 'repeatV':
- this.texOpts[ child.nodeName ] = parseFloat( child.textContent );
- break;
- case 'wrapU':
- case 'wrapV':
- // some dae have a value of true which becomes NaN via parseInt
- if ( child.textContent.toUpperCase() === 'TRUE' ) {
- this.texOpts[ child.nodeName ] = 1;
- } else {
- this.texOpts[ child.nodeName ] = parseInt( child.textContent );
- }
- break;
- default:
- this.texOpts[ child.nodeName ] = child.textContent;
- break;
- }
- }
- return this;
- };
- function Shader ( type, effect ) {
- this.type = type;
- this.effect = effect;
- this.material = null;
- }
- Shader.prototype.parse = function ( element ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'emission':
- case 'diffuse':
- case 'specular':
- case 'transparent':
- this[ child.nodeName ] = ( new ColorOrTexture() ).parse( child );
- break;
- case 'bump':
- // If 'bumptype' is 'heightfield', create a 'bump' property
- // Else if 'bumptype' is 'normalmap', create a 'normal' property
- // (Default to 'bump')
- var bumpType = child.getAttribute( 'bumptype' );
- if ( bumpType ) {
- if ( bumpType.toLowerCase() === "heightfield" ) {
- this[ 'bump' ] = ( new ColorOrTexture() ).parse( child );
- } else if ( bumpType.toLowerCase() === "normalmap" ) {
- this[ 'normal' ] = ( new ColorOrTexture() ).parse( child );
- } else {
- console.error( "Shader.prototype.parse: Invalid value for attribute 'bumptype' (" + bumpType + ") - valid bumptypes are 'HEIGHTFIELD' and 'NORMALMAP' - defaulting to 'HEIGHTFIELD'" );
- this[ 'bump' ] = ( new ColorOrTexture() ).parse( child );
- }
- } else {
- console.warn( "Shader.prototype.parse: Attribute 'bumptype' missing from bump node - defaulting to 'HEIGHTFIELD'" );
- this[ 'bump' ] = ( new ColorOrTexture() ).parse( child );
- }
- break;
- case 'shininess':
- case 'reflectivity':
- case 'index_of_refraction':
- case 'transparency':
- var f = child.querySelectorAll('float');
- if ( f.length > 0 )
- this[ child.nodeName ] = parseFloat( f[ 0 ].textContent );
- break;
- default:
- break;
- }
- }
- this.create();
- return this;
- };
- Shader.prototype.create = function() {
- var props = {};
- var transparent = false;
- if (this['transparency'] !== undefined && this['transparent'] !== undefined) {
- // convert transparent color RBG to average value
- var transparentColor = this['transparent'];
- var transparencyLevel = (this.transparent.color.r + this.transparent.color.g + this.transparent.color.b) / 3 * this.transparency;
- if (transparencyLevel > 0) {
- transparent = true;
- props[ 'transparent' ] = true;
- props[ 'opacity' ] = 1 - transparencyLevel;
- }
- }
- var keys = {
- 'diffuse':'map',
- 'ambient':'lightMap',
- 'specular':'specularMap',
- 'emission':'emissionMap',
- 'bump':'bumpMap',
- 'normal':'normalMap'
- };
- for ( var prop in this ) {
- switch ( prop ) {
- case 'ambient':
- case 'emission':
- case 'diffuse':
- case 'specular':
- case 'bump':
- case 'normal':
- var cot = this[ prop ];
- if ( cot instanceof ColorOrTexture ) {
- if ( cot.isTexture() ) {
- var samplerId = cot.texture;
- var sampler = this.effect.sampler[samplerId];
- if ( sampler !== undefined && sampler.source !== undefined ) {
- var surface = this.effect.surface[sampler.source];
- if ( surface !== undefined ) {
- var image = images[ surface.init_from ];
- if ( image ) {
- var url = baseUrl + image.init_from;
- var texture;
- var loader = THREE.Loader.Handlers.get( url );
- if ( loader !== null ) {
- texture = loader.load( url );
- } else {
- texture = new THREE.Texture();
- loadTextureImage( texture, url );
- }
- if ( sampler.wrap_s === "MIRROR" ) {
- texture.wrapS = THREE.MirroredRepeatWrapping;
- } else if ( sampler.wrap_s === "WRAP" || cot.texOpts.wrapU ) {
- texture.wrapS = THREE.RepeatWrapping;
- } else {
- texture.wrapS = THREE.ClampToEdgeWrapping;
- }
- if ( sampler.wrap_t === "MIRROR" ) {
- texture.wrapT = THREE.MirroredRepeatWrapping;
- } else if ( sampler.wrap_t === "WRAP" || cot.texOpts.wrapV ) {
- texture.wrapT = THREE.RepeatWrapping;
- } else {
- texture.wrapT = THREE.ClampToEdgeWrapping;
- }
- texture.offset.x = cot.texOpts.offsetU;
- texture.offset.y = cot.texOpts.offsetV;
- texture.repeat.x = cot.texOpts.repeatU;
- texture.repeat.y = cot.texOpts.repeatV;
- props[keys[prop]] = texture;
- // Texture with baked lighting?
- if (prop === 'emission') props['emissive'] = 0xffffff;
- }
- }
- }
- } else if ( prop === 'diffuse' || !transparent ) {
- if ( prop === 'emission' ) {
- props[ 'emissive' ] = cot.color.getHex();
- } else {
- props[ prop ] = cot.color.getHex();
- }
- }
- }
- break;
- case 'shininess':
- props[ prop ] = this[ prop ];
- break;
- case 'reflectivity':
- props[ prop ] = this[ prop ];
- if ( props[ prop ] > 0.0 ) props['envMap'] = options.defaultEnvMap;
- props['combine'] = THREE.MixOperation; //mix regular shading with reflective component
- break;
- case 'index_of_refraction':
- props[ 'refractionRatio' ] = this[ prop ]; //TODO: "index_of_refraction" becomes "refractionRatio" in shader, but I'm not sure if the two are actually comparable
- if ( this[ prop ] !== 1.0 ) props['envMap'] = options.defaultEnvMap;
- break;
- case 'transparency':
- // gets figured out up top
- break;
- default:
- break;
- }
- }
- props[ 'shading' ] = preferredShading;
- props[ 'side' ] = this.effect.doubleSided ? THREE.DoubleSide : THREE.FrontSide;
- if ( props.diffuse !== undefined ) {
- props.color = props.diffuse;
- delete props.diffuse;
- }
- switch ( this.type ) {
- case 'constant':
- if (props.emissive != undefined) props.color = props.emissive;
- this.material = new THREE.MeshBasicMaterial( props );
- break;
- case 'phong':
- case 'blinn':
- this.material = new THREE.MeshPhongMaterial( props );
- break;
- case 'lambert':
- default:
- this.material = new THREE.MeshLambertMaterial( props );
- break;
- }
- return this.material;
- };
- function Surface ( effect ) {
- this.effect = effect;
- this.init_from = null;
- this.format = null;
- }
- Surface.prototype.parse = function ( element ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'init_from':
- this.init_from = child.textContent;
- break;
- case 'format':
- this.format = child.textContent;
- break;
- default:
- console.log( "unhandled Surface prop: " + child.nodeName );
- break;
- }
- }
- return this;
- };
- function Sampler2D ( effect ) {
- this.effect = effect;
- this.source = null;
- this.wrap_s = null;
- this.wrap_t = null;
- this.minfilter = null;
- this.magfilter = null;
- this.mipfilter = null;
- }
- Sampler2D.prototype.parse = function ( element ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'source':
- this.source = child.textContent;
- break;
- case 'minfilter':
- this.minfilter = child.textContent;
- break;
- case 'magfilter':
- this.magfilter = child.textContent;
- break;
- case 'mipfilter':
- this.mipfilter = child.textContent;
- break;
- case 'wrap_s':
- this.wrap_s = child.textContent;
- break;
- case 'wrap_t':
- this.wrap_t = child.textContent;
- break;
- default:
- console.log( "unhandled Sampler2D prop: " + child.nodeName );
- break;
- }
- }
- return this;
- };
- function Effect () {
- this.id = "";
- this.name = "";
- this.shader = null;
- this.surface = {};
- this.sampler = {};
- }
- Effect.prototype.create = function () {
- if ( this.shader === null ) {
- return null;
- }
- };
- Effect.prototype.parse = function ( element ) {
- this.id = element.getAttribute( 'id' );
- this.name = element.getAttribute( 'name' );
- extractDoubleSided( this, element );
- this.shader = null;
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'profile_COMMON':
- this.parseTechnique( this.parseProfileCOMMON( child ) );
- break;
- default:
- break;
- }
- }
- return this;
- };
- Effect.prototype.parseNewparam = function ( element ) {
- var sid = element.getAttribute( 'sid' );
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'surface':
- this.surface[sid] = ( new Surface( this ) ).parse( child );
- break;
- case 'sampler2D':
- this.sampler[sid] = ( new Sampler2D( this ) ).parse( child );
- break;
- case 'extra':
- break;
- default:
- console.log( child.nodeName );
- break;
- }
- }
- };
- Effect.prototype.parseProfileCOMMON = function ( element ) {
- var technique;
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'profile_COMMON':
- this.parseProfileCOMMON( child );
- break;
- case 'technique':
- technique = child;
- break;
- case 'newparam':
- this.parseNewparam( child );
- break;
- case 'image':
- var _image = ( new _Image() ).parse( child );
- images[ _image.id ] = _image;
- break;
- case 'extra':
- break;
- default:
- console.log( child.nodeName );
- break;
- }
- }
- return technique;
- };
- Effect.prototype.parseTechnique = function ( element ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[i];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'constant':
- case 'lambert':
- case 'blinn':
- case 'phong':
- this.shader = ( new Shader( child.nodeName, this ) ).parse( child );
- break;
- case 'extra':
- this.parseExtra(child);
- break;
- default:
- break;
- }
- }
- };
- Effect.prototype.parseExtra = function ( element ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[i];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'technique':
- this.parseExtraTechnique( child );
- break;
- default:
- break;
- }
- }
- };
- Effect.prototype.parseExtraTechnique = function ( element ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[i];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'bump':
- this.shader.parse( element );
- break;
- default:
- break;
- }
- }
- };
- function InstanceEffect () {
- this.url = "";
- }
- InstanceEffect.prototype.parse = function ( element ) {
- this.url = element.getAttribute( 'url' ).replace( /^#/, '' );
- return this;
- };
- function Animation() {
- this.id = "";
- this.name = "";
- this.source = {};
- this.sampler = [];
- this.channel = [];
- }
- Animation.prototype.parse = function ( element ) {
- this.id = element.getAttribute( 'id' );
- this.name = element.getAttribute( 'name' );
- this.source = {};
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'animation':
- var anim = ( new Animation() ).parse( child );
- for ( var src in anim.source ) {
- this.source[ src ] = anim.source[ src ];
- }
- for ( var j = 0; j < anim.channel.length; j ++ ) {
- this.channel.push( anim.channel[ j ] );
- this.sampler.push( anim.sampler[ j ] );
- }
- break;
- case 'source':
- var src = ( new Source() ).parse( child );
- this.source[ src.id ] = src;
- break;
- case 'sampler':
- this.sampler.push( ( new Sampler( this ) ).parse( child ) );
- break;
- case 'channel':
- this.channel.push( ( new Channel( this ) ).parse( child ) );
- break;
- default:
- break;
- }
- }
- return this;
- };
- function Channel( animation ) {
- this.animation = animation;
- this.source = "";
- this.target = "";
- this.fullSid = null;
- this.sid = null;
- this.dotSyntax = null;
- this.arrSyntax = null;
- this.arrIndices = null;
- this.member = null;
- }
- Channel.prototype.parse = function ( element ) {
- this.source = element.getAttribute( 'source' ).replace( /^#/, '' );
- this.target = element.getAttribute( 'target' );
- var parts = this.target.split( '/' );
- var id = parts.shift();
- var sid = parts.shift();
- var dotSyntax = ( sid.indexOf(".") >= 0 );
- var arrSyntax = ( sid.indexOf("(") >= 0 );
- if ( dotSyntax ) {
- parts = sid.split(".");
- this.sid = parts.shift();
- this.member = parts.shift();
- } else if ( arrSyntax ) {
- var arrIndices = sid.split("(");
- this.sid = arrIndices.shift();
- for (var j = 0; j < arrIndices.length; j ++ ) {
- arrIndices[j] = parseInt( arrIndices[j].replace(/\)/, '') );
- }
- this.arrIndices = arrIndices;
- } else {
- this.sid = sid;
- }
- this.fullSid = sid;
- this.dotSyntax = dotSyntax;
- this.arrSyntax = arrSyntax;
- return this;
- };
- function Sampler ( animation ) {
- this.id = "";
- this.animation = animation;
- this.inputs = [];
- this.input = null;
- this.output = null;
- this.strideOut = null;
- this.interpolation = null;
- this.startTime = null;
- this.endTime = null;
- this.duration = 0;
- }
- Sampler.prototype.parse = function ( element ) {
- this.id = element.getAttribute( 'id' );
- this.inputs = [];
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'input':
- this.inputs.push( (new Input()).parse( child ) );
- break;
- default:
- break;
- }
- }
- return this;
- };
- Sampler.prototype.create = function () {
- for ( var i = 0; i < this.inputs.length; i ++ ) {
- var input = this.inputs[ i ];
- var source = this.animation.source[ input.source ];
- switch ( input.semantic ) {
- case 'INPUT':
- this.input = source.read();
- break;
- case 'OUTPUT':
- this.output = source.read();
- this.strideOut = source.accessor.stride;
- break;
- case 'INTERPOLATION':
- this.interpolation = source.read();
- break;
- case 'IN_TANGENT':
- break;
- case 'OUT_TANGENT':
- break;
- default:
- console.log(input.semantic);
- break;
- }
- }
- this.startTime = 0;
- this.endTime = 0;
- this.duration = 0;
- if ( this.input.length ) {
- this.startTime = 100000000;
- this.endTime = -100000000;
- for ( var i = 0; i < this.input.length; i ++ ) {
- this.startTime = Math.min( this.startTime, this.input[ i ] );
- this.endTime = Math.max( this.endTime, this.input[ i ] );
- }
- this.duration = this.endTime - this.startTime;
- }
- };
- Sampler.prototype.getData = function ( type, ndx, member ) {
- var data;
- if ( type === 'matrix' && this.strideOut === 16 ) {
- data = this.output[ ndx ];
- } else if ( this.strideOut > 1 ) {
- data = [];
- ndx *= this.strideOut;
- for ( var i = 0; i < this.strideOut; ++ i ) {
- data[ i ] = this.output[ ndx + i ];
- }
- if ( this.strideOut === 3 ) {
- switch ( type ) {
- case 'rotate':
- case 'translate':
- fixCoords( data, -1 );
- break;
- case 'scale':
- fixCoords( data, 1 );
- break;
- }
- } else if ( this.strideOut === 4 && type === 'matrix' ) {
- fixCoords( data, -1 );
- }
- } else {
- data = this.output[ ndx ];
- if ( member && type === 'translate' ) {
- data = getConvertedTranslation( member, data );
- }
- }
- return data;
- };
- function Key ( time ) {
- this.targets = [];
- this.time = time;
- }
- Key.prototype.addTarget = function ( fullSid, transform, member, data ) {
- this.targets.push( {
- sid: fullSid,
- member: member,
- transform: transform,
- data: data
- } );
- };
- Key.prototype.apply = function ( opt_sid ) {
- for ( var i = 0; i < this.targets.length; ++ i ) {
- var target = this.targets[ i ];
- if ( !opt_sid || target.sid === opt_sid ) {
- target.transform.update( target.data, target.member );
- }
- }
- };
- Key.prototype.getTarget = function ( fullSid ) {
- for ( var i = 0; i < this.targets.length; ++ i ) {
- if ( this.targets[ i ].sid === fullSid ) {
- return this.targets[ i ];
- }
- }
- return null;
- };
- Key.prototype.hasTarget = function ( fullSid ) {
- for ( var i = 0; i < this.targets.length; ++ i ) {
- if ( this.targets[ i ].sid === fullSid ) {
- return true;
- }
- }
- return false;
- };
- // TODO: Currently only doing linear interpolation. Should support full COLLADA spec.
- Key.prototype.interpolate = function ( nextKey, time ) {
- for ( var i = 0, l = this.targets.length; i < l; i ++ ) {
- var target = this.targets[ i ],
- nextTarget = nextKey.getTarget( target.sid ),
- data;
- if ( target.transform.type !== 'matrix' && nextTarget ) {
- var scale = ( time - this.time ) / ( nextKey.time - this.time ),
- nextData = nextTarget.data,
- prevData = target.data;
- if ( scale < 0 ) scale = 0;
- if ( scale > 1 ) scale = 1;
- if ( prevData.length ) {
- data = [];
- for ( var j = 0; j < prevData.length; ++ j ) {
- data[ j ] = prevData[ j ] + ( nextData[ j ] - prevData[ j ] ) * scale;
- }
- } else {
- data = prevData + ( nextData - prevData ) * scale;
- }
- } else {
- data = target.data;
- }
- target.transform.update( data, target.member );
- }
- };
- // Camera
- function Camera() {
- this.id = "";
- this.name = "";
- this.technique = "";
- }
- Camera.prototype.parse = function ( element ) {
- this.id = element.getAttribute( 'id' );
- this.name = element.getAttribute( 'name' );
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'optics':
- this.parseOptics( child );
- break;
- default:
- break;
- }
- }
- return this;
- };
- Camera.prototype.parseOptics = function ( element ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- if ( element.childNodes[ i ].nodeName === 'technique_common' ) {
- var technique = element.childNodes[ i ];
- for ( var j = 0; j < technique.childNodes.length; j ++ ) {
- this.technique = technique.childNodes[ j ].nodeName;
- if ( this.technique === 'perspective' ) {
- var perspective = technique.childNodes[ j ];
- for ( var k = 0; k < perspective.childNodes.length; k ++ ) {
- var param = perspective.childNodes[ k ];
- switch ( param.nodeName ) {
- case 'yfov':
- this.yfov = param.textContent;
- break;
- case 'xfov':
- this.xfov = param.textContent;
- break;
- case 'znear':
- this.znear = param.textContent;
- break;
- case 'zfar':
- this.zfar = param.textContent;
- break;
- case 'aspect_ratio':
- this.aspect_ratio = param.textContent;
- break;
- }
- }
- } else if ( this.technique === 'orthographic' ) {
- var orthographic = technique.childNodes[ j ];
- for ( var k = 0; k < orthographic.childNodes.length; k ++ ) {
- var param = orthographic.childNodes[ k ];
- switch ( param.nodeName ) {
- case 'xmag':
- this.xmag = param.textContent;
- break;
- case 'ymag':
- this.ymag = param.textContent;
- break;
- case 'znear':
- this.znear = param.textContent;
- break;
- case 'zfar':
- this.zfar = param.textContent;
- break;
- case 'aspect_ratio':
- this.aspect_ratio = param.textContent;
- break;
- }
- }
- }
- }
- }
- }
- return this;
- };
- function InstanceCamera() {
- this.url = "";
- }
- InstanceCamera.prototype.parse = function ( element ) {
- this.url = element.getAttribute('url').replace(/^#/, '');
- return this;
- };
- // Light
- function Light() {
- this.id = "";
- this.name = "";
- this.technique = "";
- }
- Light.prototype.parse = function ( element ) {
- this.id = element.getAttribute( 'id' );
- this.name = element.getAttribute( 'name' );
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'technique_common':
- this.parseCommon( child );
- break;
- case 'technique':
- this.parseTechnique( child );
- break;
- default:
- break;
- }
- }
- return this;
- };
- Light.prototype.parseCommon = function ( element ) {
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- switch ( element.childNodes[ i ].nodeName ) {
- case 'directional':
- case 'point':
- case 'spot':
- case 'ambient':
- this.technique = element.childNodes[ i ].nodeName;
- var light = element.childNodes[ i ];
- for ( var j = 0; j < light.childNodes.length; j ++ ) {
- var child = light.childNodes[j];
- switch ( child.nodeName ) {
- case 'color':
- var rgba = _floats( child.textContent );
- this.color = new THREE.Color(0);
- this.color.setRGB( rgba[0], rgba[1], rgba[2] );
- this.color.a = rgba[3];
- break;
- case 'falloff_angle':
- this.falloff_angle = parseFloat( child.textContent );
- break;
- case 'quadratic_attenuation':
- var f = parseFloat( child.textContent );
- this.distance = f ? Math.sqrt( 1 / f ) : 0;
- }
- }
- }
- }
- return this;
- };
- Light.prototype.parseTechnique = function ( element ) {
- this.profile = element.getAttribute( 'profile' );
- for ( var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- switch ( child.nodeName ) {
- case 'intensity':
- this.intensity = parseFloat(child.textContent);
- break;
- }
- }
- return this;
- };
- function InstanceLight() {
- this.url = "";
- }
- InstanceLight.prototype.parse = function ( element ) {
- this.url = element.getAttribute('url').replace(/^#/, '');
- return this;
- };
- function KinematicsModel( ) {
- this.id = '';
- this.name = '';
- this.joints = [];
- this.links = [];
- }
- KinematicsModel.prototype.parse = function( element ) {
- this.id = element.getAttribute('id');
- this.name = element.getAttribute('name');
- this.joints = [];
- this.links = [];
- for (var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'technique_common':
- this.parseCommon(child);
- break;
- default:
- break;
- }
- }
- return this;
- };
- KinematicsModel.prototype.parseCommon = function( element ) {
- for (var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( element.childNodes[ i ].nodeName ) {
- case 'joint':
- this.joints.push( (new Joint()).parse(child) );
- break;
- case 'link':
- this.links.push( (new Link()).parse(child) );
- break;
- default:
- break;
- }
- }
- return this;
- };
- function Joint( ) {
- this.sid = '';
- this.name = '';
- this.axis = new THREE.Vector3();
- this.limits = {
- min: 0,
- max: 0
- };
- this.type = '';
- this.static = false;
- this.zeroPosition = 0.0;
- this.middlePosition = 0.0;
- }
- Joint.prototype.parse = function( element ) {
- this.sid = element.getAttribute('sid');
- this.name = element.getAttribute('name');
- this.axis = new THREE.Vector3();
- this.limits = {
- min: 0,
- max: 0
- };
- this.type = '';
- this.static = false;
- this.zeroPosition = 0.0;
- this.middlePosition = 0.0;
- var axisElement = element.querySelector('axis');
- var _axis = _floats(axisElement.textContent);
- this.axis = getConvertedVec3(_axis, 0);
- var min = element.querySelector('limits min') ? parseFloat(element.querySelector('limits min').textContent) : -360;
- var max = element.querySelector('limits max') ? parseFloat(element.querySelector('limits max').textContent) : 360;
- this.limits = {
- min: min,
- max: max
- };
- var jointTypes = [ 'prismatic', 'revolute' ];
- for (var i = 0; i < jointTypes.length; i ++ ) {
- var type = jointTypes[ i ];
- var jointElement = element.querySelector(type);
- if ( jointElement ) {
- this.type = type;
- }
- }
- // if the min is equal to or somehow greater than the max, consider the joint static
- if ( this.limits.min >= this.limits.max ) {
- this.static = true;
- }
- this.middlePosition = (this.limits.min + this.limits.max) / 2.0;
- return this;
- };
- function Link( ) {
- this.sid = '';
- this.name = '';
- this.transforms = [];
- this.attachments = [];
- }
- Link.prototype.parse = function( element ) {
- this.sid = element.getAttribute('sid');
- this.name = element.getAttribute('name');
- this.transforms = [];
- this.attachments = [];
- for (var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'attachment_full':
- this.attachments.push( (new Attachment()).parse(child) );
- break;
- case 'rotate':
- case 'translate':
- case 'matrix':
- this.transforms.push( (new Transform()).parse(child) );
- break;
- default:
- break;
- }
- }
- return this;
- };
- function Attachment( ) {
- this.joint = '';
- this.transforms = [];
- this.links = [];
- }
- Attachment.prototype.parse = function( element ) {
- this.joint = element.getAttribute('joint').split('/').pop();
- this.links = [];
- for (var i = 0; i < element.childNodes.length; i ++ ) {
- var child = element.childNodes[ i ];
- if ( child.nodeType != 1 ) continue;
- switch ( child.nodeName ) {
- case 'link':
- this.links.push( (new Link()).parse(child) );
- break;
- case 'rotate':
- case 'translate':
- case 'matrix':
- this.transforms.push( (new Transform()).parse(child) );
- break;
- default:
- break;
- }
- }
- return this;
- };
- function _source( element ) {
- var id = element.getAttribute( 'id' );
- if ( sources[ id ] != undefined ) {
- return sources[ id ];
- }
- sources[ id ] = ( new Source(id )).parse( element );
- return sources[ id ];
- }
- function _nsResolver( nsPrefix ) {
- if ( nsPrefix === "dae" ) {
- return "http://www.collada.org/2005/11/COLLADASchema";
- }
- return null;
- }
- function _bools( str ) {
- var raw = _strings( str );
- var data = [];
- for ( var i = 0, l = raw.length; i < l; i ++ ) {
- data.push( (raw[i] === 'true' || raw[i] === '1') ? true : false );
- }
- return data;
- }
- function _floats( str ) {
- var raw = _strings(str);
- var data = [];
- for ( var i = 0, l = raw.length; i < l; i ++ ) {
- data.push( parseFloat( raw[ i ] ) );
- }
- return data;
- }
- function _ints( str ) {
- var raw = _strings( str );
- var data = [];
- for ( var i = 0, l = raw.length; i < l; i ++ ) {
- data.push( parseInt( raw[ i ], 10 ) );
- }
- return data;
- }
- function _strings( str ) {
- return ( str.length > 0 ) ? _trimString( str ).split( /\s+/ ) : [];
- }
- function _trimString( str ) {
- return str.replace( /^\s+/, "" ).replace( /\s+$/, "" );
- }
- function _attr_as_float( element, name, defaultValue ) {
- if ( element.hasAttribute( name ) ) {
- return parseFloat( element.getAttribute( name ) );
- } else {
- return defaultValue;
- }
- }
- function _attr_as_int( element, name, defaultValue ) {
- if ( element.hasAttribute( name ) ) {
- return parseInt( element.getAttribute( name ), 10) ;
- } else {
- return defaultValue;
- }
- }
- function _attr_as_string( element, name, defaultValue ) {
- if ( element.hasAttribute( name ) ) {
- return element.getAttribute( name );
- } else {
- return defaultValue;
- }
- }
- function _format_float( f, num ) {
- if ( f === undefined ) {
- var s = '0.';
- while ( s.length < num + 2 ) {
- s += '0';
- }
- return s;
- }
- num = num || 2;
- var parts = f.toString().split( '.' );
- parts[ 1 ] = parts.length > 1 ? parts[ 1 ].substr( 0, num ) : "0";
- while ( parts[ 1 ].length < num ) {
- parts[ 1 ] += '0';
- }
- return parts.join( '.' );
- }
- function loadTextureImage ( texture, url ) {
- var loader = new THREE.ImageLoader();
- loader.load( url, function ( image ) {
- texture.image = image;
- texture.needsUpdate = true;
- } );
- }
- function extractDoubleSided( obj, element ) {
- obj.doubleSided = false;
- var node = element.querySelectorAll('extra double_sided')[0];
- if ( node ) {
- if ( node && parseInt( node.textContent, 10 ) === 1 ) {
- obj.doubleSided = true;
- }
- }
- }
- // Up axis conversion
- function setUpConversion() {
- if ( options.convertUpAxis !== true || colladaUp === options.upAxis ) {
- upConversion = null;
- } else {
- switch ( colladaUp ) {
- case 'X':
- upConversion = options.upAxis === 'Y' ? 'XtoY' : 'XtoZ';
- break;
- case 'Y':
- upConversion = options.upAxis === 'X' ? 'YtoX' : 'YtoZ';
- break;
- case 'Z':
- upConversion = options.upAxis === 'X' ? 'ZtoX' : 'ZtoY';
- break;
- }
- }
- }
- function fixCoords( data, sign ) {
- if ( options.convertUpAxis !== true || colladaUp === options.upAxis ) {
- return;
- }
- switch ( upConversion ) {
- case 'XtoY':
- var tmp = data[ 0 ];
- data[ 0 ] = sign * data[ 1 ];
- data[ 1 ] = tmp;
- break;
- case 'XtoZ':
- var tmp = data[ 2 ];
- data[ 2 ] = data[ 1 ];
- data[ 1 ] = data[ 0 ];
- data[ 0 ] = tmp;
- break;
- case 'YtoX':
- var tmp = data[ 0 ];
- data[ 0 ] = data[ 1 ];
- data[ 1 ] = sign * tmp;
- break;
- case 'YtoZ':
- var tmp = data[ 1 ];
- data[ 1 ] = sign * data[ 2 ];
- data[ 2 ] = tmp;
- break;
- case 'ZtoX':
- var tmp = data[ 0 ];
- data[ 0 ] = data[ 1 ];
- data[ 1 ] = data[ 2 ];
- data[ 2 ] = tmp;
- break;
- case 'ZtoY':
- var tmp = data[ 1 ];
- data[ 1 ] = data[ 2 ];
- data[ 2 ] = sign * tmp;
- break;
- }
- }
- function getConvertedTranslation( axis, data ) {
- if ( options.convertUpAxis !== true || colladaUp === options.upAxis ) {
- return data;
- }
- switch ( axis ) {
- case 'X':
- data = upConversion === 'XtoY' ? data * -1 : data;
- break;
- case 'Y':
- data = upConversion === 'YtoZ' || upConversion === 'YtoX' ? data * -1 : data;
- break;
- case 'Z':
- data = upConversion === 'ZtoY' ? data * -1 : data ;
- break;
- default:
- break;
- }
- return data;
- }
- function getConvertedVec3( data, offset ) {
- var arr = [ data[ offset ], data[ offset + 1 ], data[ offset + 2 ] ];
- fixCoords( arr, -1 );
- return new THREE.Vector3( arr[ 0 ], arr[ 1 ], arr[ 2 ] );
- }
- function getConvertedMat4( data ) {
- if ( options.convertUpAxis ) {
- // First fix rotation and scale
- // Columns first
- var arr = [ data[ 0 ], data[ 4 ], data[ 8 ] ];
- fixCoords( arr, -1 );
- data[ 0 ] = arr[ 0 ];
- data[ 4 ] = arr[ 1 ];
- data[ 8 ] = arr[ 2 ];
- arr = [ data[ 1 ], data[ 5 ], data[ 9 ] ];
- fixCoords( arr, -1 );
- data[ 1 ] = arr[ 0 ];
- data[ 5 ] = arr[ 1 ];
- data[ 9 ] = arr[ 2 ];
- arr = [ data[ 2 ], data[ 6 ], data[ 10 ] ];
- fixCoords( arr, -1 );
- data[ 2 ] = arr[ 0 ];
- data[ 6 ] = arr[ 1 ];
- data[ 10 ] = arr[ 2 ];
- // Rows second
- arr = [ data[ 0 ], data[ 1 ], data[ 2 ] ];
- fixCoords( arr, -1 );
- data[ 0 ] = arr[ 0 ];
- data[ 1 ] = arr[ 1 ];
- data[ 2 ] = arr[ 2 ];
- arr = [ data[ 4 ], data[ 5 ], data[ 6 ] ];
- fixCoords( arr, -1 );
- data[ 4 ] = arr[ 0 ];
- data[ 5 ] = arr[ 1 ];
- data[ 6 ] = arr[ 2 ];
- arr = [ data[ 8 ], data[ 9 ], data[ 10 ] ];
- fixCoords( arr, -1 );
- data[ 8 ] = arr[ 0 ];
- data[ 9 ] = arr[ 1 ];
- data[ 10 ] = arr[ 2 ];
- // Now fix translation
- arr = [ data[ 3 ], data[ 7 ], data[ 11 ] ];
- fixCoords( arr, -1 );
- data[ 3 ] = arr[ 0 ];
- data[ 7 ] = arr[ 1 ];
- data[ 11 ] = arr[ 2 ];
- }
- return new THREE.Matrix4().set(
- data[0], data[1], data[2], data[3],
- data[4], data[5], data[6], data[7],
- data[8], data[9], data[10], data[11],
- data[12], data[13], data[14], data[15]
- );
- }
- function getConvertedIndex( index ) {
- if ( index > -1 && index < 3 ) {
- var members = [ 'X', 'Y', 'Z' ],
- indices = { X: 0, Y: 1, Z: 2 };
- index = getConvertedMember( members[ index ] );
- index = indices[ index ];
- }
- return index;
- }
- function getConvertedMember( member ) {
- if ( options.convertUpAxis ) {
- switch ( member ) {
- case 'X':
- switch ( upConversion ) {
- case 'XtoY':
- case 'XtoZ':
- case 'YtoX':
- member = 'Y';
- break;
- case 'ZtoX':
- member = 'Z';
- break;
- }
- break;
- case 'Y':
- switch ( upConversion ) {
- case 'XtoY':
- case 'YtoX':
- case 'ZtoX':
- member = 'X';
- break;
- case 'XtoZ':
- case 'YtoZ':
- case 'ZtoY':
- member = 'Z';
- break;
- }
- break;
- case 'Z':
- switch ( upConversion ) {
- case 'XtoZ':
- member = 'X';
- break;
- case 'YtoZ':
- case 'ZtoX':
- case 'ZtoY':
- member = 'Y';
- break;
- }
- break;
- }
- }
- return member;
- }
- return {
- load: load,
- parse: parse,
- setPreferredShading: setPreferredShading,
- applySkin: applySkin,
- geometries : geometries,
- options: options
- };
- };
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