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funnylookinhat/ColladaLoader.js

Created March 13, 2013 20:03
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ColladaLoader.js
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ColladaLoader.js
/**
* @author Tim Knip / http://www.floorplanner.com/ / tim at floorplanner.com
*/
THREE.ColladaLoader = function () {
var COLLADA = null;
var scene = null;
var daeScene;
var readyCallbackFunc = null;
var sources = {};
var images = {};
var animations = {};
var controllers = {};
var geometries = {};
var materials = {};
var effects = {};
var cameras = {};
var animData;
var visualScenes;
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 ) {
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.responseXML ) {
readyCallbackFunc = readyCallback;
parse( request.responseXML, undefined, url );
} else if ( request.responseText ) {
readyCallbackFunc = readyCallback;
var xmlParser = new DOMParser();
var responseXML = xmlParser.parseFromString( request.responseText, "application/xml" );
parse( responseXML, undefined, url );
} else {
console.error( "ColladaLoader: Empty or non-existing file (" + url + ")" );
}
}
} 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( doc, callBack, url ) {
COLLADA = doc;
callBack = callBack || readyCallbackFunc;
if ( url !== undefined ) {
var parts = url.split( '/' );
parts.pop();
baseUrl = ( parts.length < 1 ? '.' : parts.join( '/' ) ) + '/';
}
parseAsset();
setUpConversion();
images = parseLib( "//dae:library_images/dae:image", _Image, "image" );
materials = parseLib( "//dae:library_materials/dae:material", Material, "material" );
effects = parseLib( "//dae:library_effects/dae:effect", Effect, "effect" );
geometries = parseLib( "//dae:library_geometries/dae:geometry", Geometry, "geometry" );
cameras = parseLib( ".//dae:library_cameras/dae:camera", Camera, "camera" );
controllers = parseLib( "//dae:library_controllers/dae:controller", Controller, "controller" );
animations = parseLib( "//dae:library_animations/dae:animation", Animation, "animation" );
visualScenes = parseLib( ".//dae:library_visual_scenes/dae:visual_scene", VisualScene, "visual_scene" );
morphs = [];
skins = [];
daeScene = parseScene();
scene = new THREE.Object3D();
for ( var i = 0; i < daeScene.nodes.length; i ++ ) {
scene.add( createSceneGraph( daeScene.nodes[ i ] ) );
}
createAnimations();
var result = {
scene: scene,
morphs: morphs,
skins: skins,
animations: animData,
dae: {
images: images,
materials: materials,
cameras: cameras,
effects: effects,
geometries: geometries,
controllers: controllers,
animations: animations,
visualScenes: visualScenes,
scene: daeScene
}
};
if ( callBack ) {
callBack( result );
}
return result;
};
function setPreferredShading ( shading ) {
preferredShading = shading;
};
function parseAsset () {
var elements = COLLADA.evaluate( '//dae:asset', COLLADA, _nsResolver, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null );
var element = elements.iterateNext();
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.evaluate(q, COLLADA, _nsResolver, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null) ;
var lib = {};
var element = elements.iterateNext();
var i = 0;
while ( element ) {
var daeElement = ( new classSpec() ).parse( element );
if ( !daeElement.id || daeElement.id.length == 0 ) daeElement.id = prefix + ( i ++ );
lib[ daeElement.id ] = daeElement;
element = elements.iterateNext();
}
return lib;
};
function parseScene() {
var sceneElement = COLLADA.evaluate( './/dae:scene/dae:instance_visual_scene', COLLADA, _nsResolver, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null ).iterateNext();
if ( sceneElement ) {
var url = sceneElement.getAttribute( 'url' ).replace( /^#/, '' );
return visualScenes[ url.length > 0 ? url : 'visual_scene0' ];
} else {
return null;
}
};
function createAnimations() {
animData = [];
// fill in the keys
recurseHierarchy( scene );
};
function recurseHierarchy( node ) {
var n = daeScene.getChildById( node.name, 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;
for ( var id in animations ) {
var animation = animations[ 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 };
};
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 = daeScene.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.world.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 );
}
}
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.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 {
throw 'ColladaLoader: Could not find joint \'' + bone.sid + '\'.';
}
}
};
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 = daeScene.getChildById( instanceCtrl.skeleton[0], true ) ||
daeScene.getChildBySid( instanceCtrl.skeleton[0], true );
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 );
}
// process animation, or simply pose the rig if no animation
for ( frame = 0; frame < animationBounds.frames; frame ++ ) {
var bones = [];
var skinned = [];
// zero skinned vertices
for ( i = 0; i < geometry.vertices.length; i++ ) {
skinned.push( new THREE.Vector3() );
}
// 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 );
// skin 'm
for ( i = 0; i < bones.length; i ++ ) {
if ( bones[ i ].type != 'JOINT' ) continue;
for ( j = 0; j < bones[ i ].weights.length; j ++ ) {
w = bones[ i ].weights[ j ];
vidx = w.index;
weight = w.weight;
o = geometry.vertices[vidx];
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);
}
}
geometry.morphTargets.push( { name: "target_" + frame, vertices: skinned } );
}
};
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;
}
}
// FIXME: multi-material mesh?
// 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 ( !( material3js in double_sided_materials ) ) {
var _copied_material = material3js.clone();
_copied_material.side = THREE.DoubleSide;
double_sided_materials[ material3js ] = _copied_material;
}
material3js = double_sided_materials[ material3js ];
}
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, shading: THREE.FlatShading, side: geometry.doubleSided ? THREE.DoubleSide : THREE.FrontSide } );
var geom = geometry.mesh.geometry3js;
if ( num_materials > 1 ) {
material = new THREE.MeshFaceMaterial( 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 );
material.morphTargets = 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;
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 {
mesh = new THREE.Mesh( geom, material );
// mesh.geom.name = geometry.id;
}
node.geometries.length > 1 ? obj.add( mesh ) : obj = mesh;
}
}
for ( i = 0; i < node.cameras.length; i ++ ) {
var instance_camera = node.cameras[i];
var cparams = cameras[instance_camera.url];
obj = new THREE.PerspectiveCamera(cparams.fov, cparams.aspect_ratio, cparams.znear, cparams.zfar);
}
obj.name = node.name || node.id || "";
obj.matrix = node.matrix;
var props = node.matrix.decompose();
obj.position = props[ 0 ];
obj.quaternion = props[ 1 ];
obj.useQuaternion = true;
obj.scale = props[ 2 ];
// unit conversion
obj.position.multiplyScalar(colladaUnit);
obj.scale.multiplyScalar(colladaUnit);
if ( options.centerGeometry && obj.geometry ) {
var delta = THREE.GeometryUtils.center( obj.geometry );
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 ) {
return COLLADA.evaluate( './/dae:library_nodes//dae:node[@id=\'' + id + '\']', COLLADA, _nsResolver, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null ).iterateNext();
};
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 ),
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.Object3D();
};
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.type = this.type == 'JOINT' ? this.type : 'NODE';
this.nodes = [];
this.transforms = [];
this.geometries = [];
this.cameras = [];
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':
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 ( matrix ) {
switch ( this.type ) {
case 'matrix':
matrix.multiply( this.obj );
break;
case 'translate':
matrix.translate( this.obj );
break;
case 'rotate':
matrix.rotateByAxis( 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 = COLLADA.evaluate( './/dae:instance_material', child, _nsResolver, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null );
if ( instances ) {
var instance = instances.iterateNext();
while ( instance ) {
this.instance_material.push( (new InstanceMaterial()).parse(instance) );
instance = instances.iterateNext();
}
}
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 = COLLADA.evaluate( './/dae:instance_material', child, _nsResolver, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null );
if ( instances ) {
var instance = instances.iterateNext();
while ( instance ) {
this.instance_material.push( (new InstanceMaterial()).parse(instance) );
instance = instances.iterateNext();
}
}
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 = [];
var i, j;
for ( 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 '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();
var vertexData = sources[ this.vertices.input['POSITION'].source ].data;
for ( i = 0; i < vertexData.length; i += 3 ) {
this.geometry3js.vertices.push( getConvertedVec3( vertexData, i ).clone() );
}
for ( i = 0; i < this.primitives.length; i ++ ) {
var primitive = this.primitives[ i ];
primitive.setVertices( this.vertices );
this.handlePrimitive( primitive, this.geometry3js );
}
this.geometry3js.computeCentroids();
this.geometry3js.computeFaceNormals();
if ( this.geometry3js.calcNormals ) {
this.geometry3js.computeVertexNormals();
delete this.geometry3js.calcNormals;
}
this.geometry3js.computeBoundingBox();
return this;
};
Mesh.prototype.handlePrimitive = function( primitive, geom ) {
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.Face4( vs[0], vs[1], vs[2], vs[3], ns, cs.length ? cs : 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; ) {
// FIXME: normals don't seem to be quite right
faces.push( new THREE.Face3( vs[0], vs[k], vs[k+1], [ ns[0], ns[k++], ns[k] ], 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 ) {
uvArr = [ uv[0], uv[1], uv[2], uv[3] ];
} else {
uvArr = [ uv[0], uv[1], uv[2] ];
}
if ( !geom.faceVertexUvs[k] ) {
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 );
function Triangles () {
Polygons.call( this );
this.vcount = 3;
};
Triangles.prototype = Object.create( Polygons.prototype );
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( 0 );
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 ) {
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(0);
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':
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 'ambient':
case 'emission':
case 'diffuse':
case 'specular':
case 'transparent':
this[ child.nodeName ] = ( new ColorOrTexture() ).parse( child );
break;
case 'shininess':
case 'reflectivity':
case 'index_of_refraction':
case 'transparency':
var f = evaluateXPath( child, './/dae: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 = ( this['transparency'] !== undefined && this['transparency'] < 1.0 );
for ( var prop in this ) {
switch ( prop ) {
case 'ambient':
case 'emission':
case 'diffuse':
case 'specular':
var cot = this[ prop ];
if ( cot instanceof ColorOrTexture ) {
if ( cot.isTexture() ) {
var samplerId = cot.texture;
var surfaceId = this.effect.sampler[samplerId].source;
if (surfaceId) {
var surface = this.effect.surface[surfaceId];
var image = images[surface.init_from];
if (image) {
var texture = THREE.ImageUtils.loadTexture(baseUrl + image.init_from);
texture.wrapS = cot.texOpts.wrapU ? THREE.RepeatWrapping : THREE.ClampToEdgeWrapping;
texture.wrapT = cot.texOpts.wrapV ? THREE.RepeatWrapping : 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['map'] = 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':
if ( transparent ) {
props[ 'transparent' ] = true;
props[ 'opacity' ] = this[ prop ];
transparent = true;
}
break;
default:
break;
}
}
props[ 'shading' ] = preferredShading;
props[ 'side' ] = this.effect.doubleSided ? THREE.DoubleSide : THREE.FrontSide;
switch ( this.type ) {
case 'constant':
if (props.emissive != undefined) props.color = props.emissive;
this.material = new THREE.MeshBasicMaterial( props );
break;
case 'phong':
case 'blinn':
if (props.diffuse != undefined) props.color = props.diffuse;
this.material = new THREE.MeshPhongMaterial( props );
break;
case 'lambert':
default:
if (props.diffuse != undefined) props.color = props.diffuse;
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;
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 ) {
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 ];
}
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; i < this.targets.length; ++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;
// check scale error
if ( scale < 0 || scale > 1 ) {
console.log( "Key.interpolate: Warning! Scale out of bounds:" + scale );
scale = scale < 0 ? 0 : 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 );
}
};
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;
};
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 evaluateXPath( node, query ) {
var instances = COLLADA.evaluate( query, node, _nsResolver, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null );
var inst = instances.iterateNext();
var result = [];
while ( inst ) {
result.push( inst );
inst = instances.iterateNext();
}
return result;
};
function extractDoubleSided( obj, element ) {
obj.doubleSided = false;
var node = COLLADA.evaluate( './/dae:extra//dae:double_sided', element, _nsResolver, XPathResult.ORDERED_NODE_ITERATOR_TYPE, null );
if ( node ) {
node = node.iterateNext();
if ( node && parseInt( node.textContent, 10 ) === 1 ) {
obj.doubleSided = true;
}
}
};
// Up axis conversion
function setUpConversion() {
if ( !options.convertUpAxis || 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 || 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 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(
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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