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/** | |
* @author takahiro / https://github.com/takahirox | |
* | |
* Dependencies | |
* - mmd-parser https://github.com/takahirox/mmd-parser | |
* - THREE.TGALoader | |
* - THREE.OutlineEffect | |
* | |
* MMDLoader creates Three.js Objects from MMD resources as | |
* PMD, PMX, VMD, and VPD files. | |
* | |
* PMD/PMX is a model data format, VMD is a motion data format | |
* VPD is a posing data format used in MMD(Miku Miku Dance). | |
* | |
* MMD official site | |
* - http://www.geocities.jp/higuchuu4/index_e.htm | |
* | |
* PMD, VMD format (in Japanese) | |
* - http://blog.goo.ne.jp/torisu_tetosuki/e/209ad341d3ece2b1b4df24abf619d6e4 | |
* | |
* PMX format | |
* - https://gist.github.com/felixjones/f8a06bd48f9da9a4539f | |
* | |
* TODO | |
* - light motion in vmd support. | |
* - SDEF support. | |
* - uv/material/bone morphing support. | |
* - more precise grant skinning support. | |
* - shadow support. | |
*/ | |
THREE.MMDLoader = ( function () { | |
/** | |
* @param {THREE.LoadingManager} manager | |
*/ | |
function MMDLoader( manager ) { | |
this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager; | |
this.loader = new THREE.FileLoader( this.manager ); | |
this.parser = null; // lazy generation | |
this.meshBuilder = new MeshBuilder( this.manager ); | |
this.animationBuilder = new AnimationBuilder(); | |
} | |
MMDLoader.prototype = { | |
constructor: MMDLoader, | |
crossOrigin: 'anonymous', | |
/** | |
* @param {string} crossOrigin | |
* @return {THREE.MMDLoader} | |
*/ | |
setCrossOrigin: function ( crossOrigin ) { | |
this.crossOrigin = crossOrigin; | |
return this; | |
}, | |
/** | |
* @param {string} animationPath | |
* @return {THREE.MMDLoader} | |
*/ | |
setAnimationPath: function ( animationPath ) { | |
this.animationPath = animationPath; | |
return this; | |
}, | |
/** | |
* @param {string} path | |
* @return {THREE.MMDLoader} | |
*/ | |
setPath: function ( path ) { | |
this.path = path; | |
return this; | |
}, | |
/** | |
* @param {string} resourcePath | |
* @return {THREE.MMDLoader} | |
*/ | |
setResoucePath: function ( resourcePath ) { | |
this.resourcePath = resourcePath; | |
return this; | |
}, | |
// Load MMD assets as Three.js Object | |
/** | |
* Loads Model file (.pmd or .pmx) as a THREE.SkinnedMesh. | |
* | |
* @param {string} url - url to Model(.pmd or .pmx) file | |
* @param {function} onLoad | |
* @param {function} onProgress | |
* @param {function} onError | |
*/ | |
load: function ( url, onLoad, onProgress, onError ) { | |
var builder = this.meshBuilder.setCrossOrigin( this.crossOrigin ); | |
// resource path | |
var resourcePath; | |
if ( this.resourcePath !== undefined ) { | |
resourcePath = this.resourcePath; | |
} else if ( this.path !== undefined ) { | |
resourcePath = this.path; | |
} else { | |
resourcePath = THREE.LoaderUtils.extractUrlBase( url ); | |
} | |
var modelExtension = this._extractExtension( url ).toLowerCase(); | |
// Should I detect by seeing header? | |
if ( modelExtension !== 'pmd' && modelExtension !== 'pmx' ) { | |
if ( onError ) onError( new Error( 'THREE.MMDLoader: Unknown model file extension .' + modelExtension + '.' ) ); | |
return; | |
} | |
this[ modelExtension === 'pmd' ? 'loadPMD' : 'loadPMX' ]( url, function ( data ) { | |
onLoad( builder.build( data, resourcePath, onProgress, onError ) ); | |
}, onProgress, onError ); | |
}, | |
/** | |
* Loads Motion file(s) (.vmd) as a THREE.AnimationClip. | |
* If two or more files are specified, they'll be merged. | |
* | |
* @param {string|Array<string>} url - url(s) to animation(.vmd) file(s) | |
* @param {THREE.SkinnedMesh|THREE.Camera} object - tracks will be fitting to this object | |
* @param {function} onLoad | |
* @param {function} onProgress | |
* @param {function} onError | |
*/ | |
loadAnimation: function ( url, object, onLoad, onProgress, onError ) { | |
var builder = this.animationBuilder; | |
this.loadVMD( url, function ( vmd ) { | |
onLoad( object.isCamera | |
? builder.buildCameraAnimation( vmd ) | |
: builder.build( vmd, object ) ); | |
}, onProgress, onError ); | |
}, | |
/** | |
* Loads mode file and motion file(s) as an object containing | |
* a THREE.SkinnedMesh and a THREE.AnimationClip. | |
* Tracks of THREE.AnimationClip are fitting to the model. | |
* | |
* @param {string} modelUrl - url to Model(.pmd or .pmx) file | |
* @param {string|Array{string}} vmdUrl - url(s) to animation(.vmd) file | |
* @param {function} onLoad | |
* @param {function} onProgress | |
* @param {function} onError | |
*/ | |
loadWithAnimation: function ( modelUrl, vmdUrl, onLoad, onProgress, onError ) { | |
var scope = this; | |
this.load( modelUrl, function ( mesh ) { | |
scope.loadAnimation( vmdUrl, mesh, function ( animation ) { | |
onLoad( { | |
mesh: mesh, | |
animation: animation | |
} ); | |
}, onProgress, onError ); | |
}, onProgress, onError ); | |
}, | |
// Load MMD assets as Object data parsed by MMDParser | |
/** | |
* Loads .pmd file as an Object. | |
* | |
* @param {string} url - url to .pmd file | |
* @param {function} onLoad | |
* @param {function} onProgress | |
* @param {function} onError | |
*/ | |
loadPMD: function ( url, onLoad, onProgress, onError ) { | |
var parser = this._getParser(); | |
this.loader | |
.setMimeType( undefined ) | |
.setPath( this.path ) | |
.setResponseType( 'arraybuffer' ) | |
.load( url, function ( buffer ) { | |
onLoad( parser.parsePmd( buffer, true ) ); | |
}, onProgress, onError ); | |
}, | |
/** | |
* Loads .pmx file as an Object. | |
* | |
* @param {string} url - url to .pmx file | |
* @param {function} onLoad | |
* @param {function} onProgress | |
* @param {function} onError | |
*/ | |
loadPMX: function ( url, onLoad, onProgress, onError ) { | |
var parser = this._getParser(); | |
this.loader | |
.setMimeType( undefined ) | |
.setPath( this.path ) | |
.setResponseType( 'arraybuffer' ) | |
.load( url, function ( buffer ) { | |
onLoad( parser.parsePmx( buffer, true ) ); | |
}, onProgress, onError ); | |
}, | |
/** | |
* Loads .vmd file as an Object. If two or more files are specified | |
* they'll be merged. | |
* | |
* @param {string|Array<string>} url - url(s) to .vmd file(s) | |
* @param {function} onLoad | |
* @param {function} onProgress | |
* @param {function} onError | |
*/ | |
loadVMD: function ( url, onLoad, onProgress, onError ) { | |
var urls = Array.isArray( url ) ? url : [ url ]; | |
var vmds = []; | |
var vmdNum = urls.length; | |
var parser = this._getParser(); | |
this.loader | |
.setMimeType( undefined ) | |
.setPath( this.animationPath ) | |
.setResponseType( 'arraybuffer' ); | |
for ( var i = 0, il = urls.length; i < il; i ++ ) { | |
this.loader.load( urls[ i ], function ( buffer ) { | |
vmds.push( parser.parseVmd( buffer, true ) ); | |
if ( vmds.length === vmdNum ) onLoad( parser.mergeVmds( vmds ) ); | |
}, onProgress, onError ); | |
} | |
}, | |
/** | |
* Loads .vpd file as an Object. | |
* | |
* @param {string} url - url to .vpd file | |
* @param {boolean} isUnicode | |
* @param {function} onLoad | |
* @param {function} onProgress | |
* @param {function} onError | |
*/ | |
loadVPD: function ( url, isUnicode, onLoad, onProgress, onError ) { | |
var parser = this._getParser(); | |
this.loader | |
.setMimeType( isUnicode ? undefined : 'text/plain; charset=shift_jis' ) | |
.setPath( this.animationPath ) | |
.setResponseType( 'text' ) | |
.load( url, function ( text ) { | |
onLoad( parser.parseVpd( text, true ) ); | |
}, onProgress, onError ); | |
}, | |
// private methods | |
_extractExtension: function ( url ) { | |
var index = url.lastIndexOf( '.' ); | |
return index < 0 ? '' : url.slice( index + 1 ); | |
}, | |
_getParser: function () { | |
if ( this.parser === null ) { | |
if ( typeof MMDParser === 'undefined' ) { | |
throw new Error( 'THREE.MMDLoader: Import MMDParser https://github.com/takahirox/mmd-parser' ); | |
} | |
this.parser = new MMDParser.Parser(); | |
} | |
return this.parser; | |
} | |
}; | |
// Utilities | |
/* | |
* base64 encoded defalut toon textures toon00.bmp - toon10.bmp. | |
* We don't need to request external toon image files. | |
* This idea is from http://www20.atpages.jp/katwat/three.js_r58/examples/mytest37/mmd.three.js | |
*/ | |
var DEFAULT_TOON_TEXTURES = [ | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAL0lEQVRYR+3QQREAAAzCsOFfNJPBJ1XQS9r2hsUAAQIECBAgQIAAAQIECBAgsBZ4MUx/ofm2I/kAAAAASUVORK5CYII=', | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAN0lEQVRYR+3WQREAMBACsZ5/bWiiMvgEBTt5cW37hjsBBAgQIECAwFwgyfYPCCBAgAABAgTWAh8aBHZBl14e8wAAAABJRU5ErkJggg==', | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAOUlEQVRYR+3WMREAMAwDsYY/yoDI7MLwIiP40+RJklfcCCBAgAABAgTqArfb/QMCCBAgQIAAgbbAB3z/e0F3js2cAAAAAElFTkSuQmCC', | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAN0lEQVRYR+3WQREAMBACsZ5/B5ilMvgEBTt5cW37hjsBBAgQIECAwFwgyfYPCCBAgAABAgTWAh81dWyx0gFwKAAAAABJRU5ErkJggg==', | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAOklEQVRYR+3WoREAMAwDsWb/UQtCy9wxTOQJ/oQ8SXKKGwEECBAgQIBAXeDt7f4BAQQIECBAgEBb4AOz8Hzx7WLY4wAAAABJRU5ErkJggg==', | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAABPUlEQVRYR+1XwW7CMAy1+f9fZOMysSEOEweEOPRNdm3HbdOyIhAcklPrOs/PLy9RygBALxzcCDQFmgJNgaZAU6Ap0BR4PwX8gsRMVLssMRH5HcpzJEaWL7EVg9F1IHRlyqQohgVr4FGUlUcMJSjcUlDw0zvjeun70cLWmneoyf7NgBTQSniBTQQSuJAZsOnnaczjIMb5hCiuHKxokCrJfVnrctyZL0PkJAJe1HMil4nxeyi3Ypfn1kX51jpPvo/JeCNC4PhVdHdJw2XjBR8brF8PEIhNVn12AgP7uHsTBguBn53MUZCqv7Lp07Pn5k1Ro+uWmUNn7D+M57rtk7aG0Vo73xyF/fbFf0bPJjDXngnGocDTdFhygZjwUQrMNrDcmZlQT50VJ/g/UwNyHpu778+yW+/ksOz/BFo54P4AsUXMfRq7XWsAAAAASUVORK5CYII=', | |
'data:image/png;base64,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', | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAL0lEQVRYR+3QQREAAAzCsOFfNJPBJ1XQS9r2hsUAAQIECBAgQIAAAQIECBAgsBZ4MUx/ofm2I/kAAAAASUVORK5CYII=', | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAL0lEQVRYR+3QQREAAAzCsOFfNJPBJ1XQS9r2hsUAAQIECBAgQIAAAQIECBAgsBZ4MUx/ofm2I/kAAAAASUVORK5CYII=', | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAL0lEQVRYR+3QQREAAAzCsOFfNJPBJ1XQS9r2hsUAAQIECBAgQIAAAQIECBAgsBZ4MUx/ofm2I/kAAAAASUVORK5CYII=', | |
'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAL0lEQVRYR+3QQREAAAzCsOFfNJPBJ1XQS9r2hsUAAQIECBAgQIAAAQIECBAgsBZ4MUx/ofm2I/kAAAAASUVORK5CYII=' | |
]; | |
// Builders. They build Three.js object from Object data parsed by MMDParser. | |
/** | |
* @param {THREE.LoadingManager} manager | |
*/ | |
function MeshBuilder( manager ) { | |
this.geometryBuilder = new GeometryBuilder(); | |
this.materialBuilder = new MaterialBuilder( manager ); | |
} | |
MeshBuilder.prototype = { | |
constructor: MeshBuilder, | |
crossOrigin: 'anonymous', | |
/** | |
* @param {string} crossOrigin | |
* @return {MeshBuilder} | |
*/ | |
setCrossOrigin: function ( crossOrigin ) { | |
this.crossOrigin = crossOrigin; | |
return this; | |
}, | |
/** | |
* @param {Object} data - parsed PMD/PMX data | |
* @param {string} resourcePath | |
* @param {function} onProgress | |
* @param {function} onError | |
* @return {THREE.SkinnedMesh} | |
*/ | |
build: function ( data, resourcePath, onProgress, onError ) { | |
var geometry = this.geometryBuilder.build( data ); | |
var material = this.materialBuilder | |
.setCrossOrigin( this.crossOrigin ) | |
.setResourcePath( resourcePath ) | |
.build( data, geometry, onProgress, onError ); | |
var mesh = new THREE.SkinnedMesh( geometry, material ); | |
var skeleton = new THREE.Skeleton( initBones( mesh ) ); | |
mesh.bind( skeleton ); | |
// console.log( mesh ); // for console debug | |
return mesh; | |
} | |
}; | |
// TODO: Try to remove this function | |
function initBones( mesh ) { | |
var geometry = mesh.geometry; | |
var bones = [], bone, gbone; | |
var i, il; | |
if ( geometry && geometry.bones !== undefined ) { | |
// first, create array of 'Bone' objects from geometry data | |
for ( i = 0, il = geometry.bones.length; i < il; i ++ ) { | |
gbone = geometry.bones[ i ]; | |
// create new 'Bone' object | |
bone = new THREE.Bone(); | |
bones.push( bone ); | |
// apply values | |
bone.name = gbone.name; | |
bone.position.fromArray( gbone.pos ); | |
bone.quaternion.fromArray( gbone.rotq ); | |
if ( gbone.scl !== undefined ) bone.scale.fromArray( gbone.scl ); | |
} | |
// second, create bone hierarchy | |
for ( i = 0, il = geometry.bones.length; i < il; i ++ ) { | |
gbone = geometry.bones[ i ]; | |
if ( ( gbone.parent !== - 1 ) && ( gbone.parent !== null ) && ( bones[ gbone.parent ] !== undefined ) ) { | |
// subsequent bones in the hierarchy | |
bones[ gbone.parent ].add( bones[ i ] ); | |
} else { | |
// topmost bone, immediate child of the skinned mesh | |
mesh.add( bones[ i ] ); | |
} | |
} | |
} | |
// now the bones are part of the scene graph and children of the skinned mesh. | |
// let's update the corresponding matrices | |
mesh.updateMatrixWorld( true ); | |
return bones; | |
} | |
// | |
function GeometryBuilder() { | |
} | |
GeometryBuilder.prototype = { | |
constructor: GeometryBuilder, | |
/** | |
* @param {Object} data - parsed PMD/PMX data | |
* @return {THREE.BufferGeometry} | |
*/ | |
build: function ( data ) { | |
// for geometry | |
var positions = []; | |
var uvs = []; | |
var normals = []; | |
var indices = []; | |
var groups = []; | |
var bones = []; | |
var skinIndices = []; | |
var skinWeights = []; | |
var morphTargets = []; | |
var morphPositions = []; | |
var iks = []; | |
var grants = []; | |
var rigidBodies = []; | |
var constraints = []; | |
// for work | |
var offset = 0; | |
var boneTypeTable = {}; | |
// positions, normals, uvs, skinIndices, skinWeights | |
for ( var i = 0; i < data.metadata.vertexCount; i ++ ) { | |
var v = data.vertices[ i ]; | |
for ( var j = 0, jl = v.position.length; j < jl; j ++ ) { | |
positions.push( v.position[ j ] ); | |
} | |
for ( var j = 0, jl = v.normal.length; j < jl; j ++ ) { | |
normals.push( v.normal[ j ] ); | |
} | |
for ( var j = 0, jl = v.uv.length; j < jl; j ++ ) { | |
uvs.push( v.uv[ j ] ); | |
} | |
for ( var j = 0; j < 4; j ++ ) { | |
skinIndices.push( v.skinIndices.length - 1 >= j ? v.skinIndices[ j ] : 0.0 ); | |
} | |
for ( var j = 0; j < 4; j ++ ) { | |
skinWeights.push( v.skinWeights.length - 1 >= j ? v.skinWeights[ j ] : 0.0 ); | |
} | |
} | |
// indices | |
for ( var i = 0; i < data.metadata.faceCount; i ++ ) { | |
var face = data.faces[ i ]; | |
for ( var j = 0, jl = face.indices.length; j < jl; j ++ ) { | |
indices.push( face.indices[ j ] ); | |
} | |
} | |
// groups | |
for ( var i = 0; i < data.metadata.materialCount; i ++ ) { | |
var material = data.materials[ i ]; | |
groups.push( { | |
offset: offset * 3, | |
count: material.faceCount * 3 | |
} ); | |
offset += material.faceCount; | |
} | |
// bones | |
for ( var i = 0; i < data.metadata.rigidBodyCount; i ++ ) { | |
var body = data.rigidBodies[ i ]; | |
var value = boneTypeTable[ body.boneIndex ]; | |
// keeps greater number if already value is set without any special reasons | |
value = value === undefined ? body.type : Math.max( body.type, value ); | |
boneTypeTable[ body.boneIndex ] = value; | |
} | |
for ( var i = 0; i < data.metadata.boneCount; i ++ ) { | |
var boneData = data.bones[ i ]; | |
var bone = { | |
parent: boneData.parentIndex, | |
name: boneData.name, | |
pos: boneData.position.slice( 0, 3 ), | |
rotq: [ 0, 0, 0, 1 ], | |
scl: [ 1, 1, 1 ], | |
rigidBodyType: boneTypeTable[ i ] !== undefined ? boneTypeTable[ i ] : - 1 | |
}; | |
if ( bone.parent !== - 1 ) { | |
bone.pos[ 0 ] -= data.bones[ bone.parent ].position[ 0 ]; | |
bone.pos[ 1 ] -= data.bones[ bone.parent ].position[ 1 ]; | |
bone.pos[ 2 ] -= data.bones[ bone.parent ].position[ 2 ]; | |
} | |
bones.push( bone ); | |
} | |
// iks | |
// TODO: remove duplicated codes between PMD and PMX | |
if ( data.metadata.format === 'pmd' ) { | |
for ( var i = 0; i < data.metadata.ikCount; i ++ ) { | |
var ik = data.iks[ i ]; | |
var param = { | |
target: ik.target, | |
effector: ik.effector, | |
iteration: ik.iteration, | |
maxAngle: ik.maxAngle * 4, | |
links: [] | |
}; | |
for ( var j = 0, jl = ik.links.length; j < jl; j ++ ) { | |
var link = {}; | |
link.index = ik.links[ j ].index; | |
link.enabled = true; | |
if ( data.bones[ link.index ].name.indexOf( 'ひざ' ) >= 0 ) { | |
link.limitation = new THREE.Vector3( 1.0, 0.0, 0.0 ); | |
} | |
param.links.push( link ); | |
} | |
iks.push( param ); | |
} | |
} else { | |
for ( var i = 0; i < data.metadata.boneCount; i ++ ) { | |
var ik = data.bones[ i ].ik; | |
if ( ik === undefined ) continue; | |
var param = { | |
target: i, | |
effector: ik.effector, | |
iteration: ik.iteration, | |
maxAngle: ik.maxAngle, | |
links: [] | |
}; | |
for ( var j = 0, jl = ik.links.length; j < jl; j ++ ) { | |
var link = {}; | |
link.index = ik.links[ j ].index; | |
link.enabled = true; | |
if ( ik.links[ j ].angleLimitation === 1 ) { | |
// Revert if rotationMin/Max doesn't work well | |
// link.limitation = new THREE.Vector3( 1.0, 0.0, 0.0 ); | |
var rotationMin = ik.links[ j ].lowerLimitationAngle; | |
var rotationMax = ik.links[ j ].upperLimitationAngle; | |
// Convert Left to Right coordinate by myself because | |
// MMDParser doesn't convert. It's a MMDParser's bug | |
var tmp1 = - rotationMax[ 0 ]; | |
var tmp2 = - rotationMax[ 1 ]; | |
rotationMax[ 0 ] = - rotationMin[ 0 ]; | |
rotationMax[ 1 ] = - rotationMin[ 1 ]; | |
rotationMin[ 0 ] = tmp1; | |
rotationMin[ 1 ] = tmp2; | |
link.rotationMin = new THREE.Vector3().fromArray( rotationMin ); | |
link.rotationMax = new THREE.Vector3().fromArray( rotationMax ); | |
} | |
param.links.push( link ); | |
} | |
iks.push( param ); | |
} | |
} | |
// grants | |
if ( data.metadata.format === 'pmx' ) { | |
for ( var i = 0; i < data.metadata.boneCount; i ++ ) { | |
var boneData = data.bones[ i ]; | |
var grant = boneData.grant; | |
if ( grant === undefined ) continue; | |
var param = { | |
index: i, | |
parentIndex: grant.parentIndex, | |
ratio: grant.ratio, | |
isLocal: grant.isLocal, | |
affectRotation: grant.affectRotation, | |
affectPosition: grant.affectPosition, | |
transformationClass: boneData.transformationClass | |
}; | |
grants.push( param ); | |
} | |
grants.sort( function ( a, b ) { | |
return a.transformationClass - b.transformationClass; | |
} ); | |
} | |
// morph | |
function updateAttributes( attribute, morph, ratio ) { | |
for ( var i = 0; i < morph.elementCount; i ++ ) { | |
var element = morph.elements[ i ]; | |
var index; | |
if ( data.metadata.format === 'pmd' ) { | |
index = data.morphs[ 0 ].elements[ element.index ].index; | |
} else { | |
index = element.index; | |
} | |
attribute.array[ index * 3 + 0 ] += element.position[ 0 ] * ratio; | |
attribute.array[ index * 3 + 1 ] += element.position[ 1 ] * ratio; | |
attribute.array[ index * 3 + 2 ] += element.position[ 2 ] * ratio; | |
} | |
} | |
for ( var i = 0; i < data.metadata.morphCount; i ++ ) { | |
var morph = data.morphs[ i ]; | |
var params = { name: morph.name }; | |
var attribute = new THREE.Float32BufferAttribute( data.metadata.vertexCount * 3, 3 ); | |
attribute.name = morph.name; | |
for ( var j = 0; j < data.metadata.vertexCount * 3; j ++ ) { | |
attribute.array[ j ] = positions[ j ]; | |
} | |
if ( data.metadata.format === 'pmd' ) { | |
if ( i !== 0 ) { | |
updateAttributes( attribute, morph, 1.0 ); | |
} | |
} else { | |
if ( morph.type === 0 ) { // group | |
for ( var j = 0; j < morph.elementCount; j ++ ) { | |
var morph2 = data.morphs[ morph.elements[ j ].index ]; | |
var ratio = morph.elements[ j ].ratio; | |
if ( morph2.type === 1 ) { | |
updateAttributes( attribute, morph2, ratio ); | |
} else { | |
// TODO: implement | |
} | |
} | |
} else if ( morph.type === 1 ) { // vertex | |
updateAttributes( attribute, morph, 1.0 ); | |
} else if ( morph.type === 2 ) { // bone | |
// TODO: implement | |
} else if ( morph.type === 3 ) { // uv | |
// TODO: implement | |
} else if ( morph.type === 4 ) { // additional uv1 | |
// TODO: implement | |
} else if ( morph.type === 5 ) { // additional uv2 | |
// TODO: implement | |
} else if ( morph.type === 6 ) { // additional uv3 | |
// TODO: implement | |
} else if ( morph.type === 7 ) { // additional uv4 | |
// TODO: implement | |
} else if ( morph.type === 8 ) { // material | |
// TODO: implement | |
} | |
} | |
morphTargets.push( params ); | |
morphPositions.push( attribute ); | |
} | |
// rigid bodies from rigidBodies field. | |
for ( var i = 0; i < data.metadata.rigidBodyCount; i ++ ) { | |
var rigidBody = data.rigidBodies[ i ]; | |
var params = {}; | |
for ( var key in rigidBody ) { | |
params[ key ] = rigidBody[ key ]; | |
} | |
/* | |
* RigidBody position parameter in PMX seems global position | |
* while the one in PMD seems offset from corresponding bone. | |
* So unify being offset. | |
*/ | |
if ( data.metadata.format === 'pmx' ) { | |
if ( params.boneIndex !== - 1 ) { | |
var bone = data.bones[ params.boneIndex ]; | |
params.position[ 0 ] -= bone.position[ 0 ]; | |
params.position[ 1 ] -= bone.position[ 1 ]; | |
params.position[ 2 ] -= bone.position[ 2 ]; | |
} | |
} | |
rigidBodies.push( params ); | |
} | |
// constraints from constraints field. | |
for ( var i = 0; i < data.metadata.constraintCount; i ++ ) { | |
var constraint = data.constraints[ i ]; | |
var params = {}; | |
for ( var key in constraint ) { | |
params[ key ] = constraint[ key ]; | |
} | |
var bodyA = rigidBodies[ params.rigidBodyIndex1 ]; | |
var bodyB = rigidBodies[ params.rigidBodyIndex2 ]; | |
// Refer to http://www20.atpages.jp/katwat/wp/?p=4135 | |
if ( bodyA.type !== 0 && bodyB.type === 2 ) { | |
if ( bodyA.boneIndex !== - 1 && bodyB.boneIndex !== - 1 && | |
data.bones[ bodyB.boneIndex ].parentIndex === bodyA.boneIndex ) { | |
bodyB.type = 1; | |
} | |
} | |
constraints.push( params ); | |
} | |
// build BufferGeometry. | |
var geometry = new THREE.BufferGeometry(); | |
geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( positions, 3 ) ); | |
geometry.addAttribute( 'normal', new THREE.Float32BufferAttribute( normals, 3 ) ); | |
geometry.addAttribute( 'uv', new THREE.Float32BufferAttribute( uvs, 2 ) ); | |
geometry.addAttribute( 'skinIndex', new THREE.Uint16BufferAttribute( skinIndices, 4 ) ); | |
geometry.addAttribute( 'skinWeight', new THREE.Float32BufferAttribute( skinWeights, 4 ) ); | |
geometry.setIndex( indices ); | |
for ( var i = 0, il = groups.length; i < il; i ++ ) { | |
geometry.addGroup( groups[ i ].offset, groups[ i ].count, i ); | |
} | |
geometry.bones = bones; | |
geometry.morphTargets = morphTargets; | |
geometry.morphAttributes.position = morphPositions; | |
geometry.userData.MMD = { | |
bones: bones, | |
iks: iks, | |
grants: grants, | |
rigidBodies: rigidBodies, | |
constraints: constraints, | |
format: data.metadata.format | |
}; | |
geometry.computeBoundingSphere(); | |
return geometry; | |
} | |
}; | |
// | |
/** | |
* @param {THREE.LoadingManager} manager | |
*/ | |
function MaterialBuilder( manager ) { | |
this.manager = manager; | |
this.textureLoader = new THREE.TextureLoader( this.manager ); | |
this.tgaLoader = null; // lazy generation | |
} | |
MaterialBuilder.prototype = { | |
constructor: MaterialBuilder, | |
crossOrigin: 'anonymous', | |
resourcePath: undefined, | |
/** | |
* @param {string} crossOrigin | |
* @return {MaterialBuilder} | |
*/ | |
setCrossOrigin: function ( crossOrigin ) { | |
this.crossOrigin = crossOrigin; | |
return this; | |
}, | |
/** | |
* @param {string} resourcePath | |
* @return {MaterialBuilder} | |
*/ | |
setResourcePath: function ( resourcePath ) { | |
this.resourcePath = resourcePath; | |
return this; | |
}, | |
/** | |
* @param {Object} data - parsed PMD/PMX data | |
* @param {THREE.BufferGeometry} geometry - some properties are dependend on geometry | |
* @param {function} onProgress | |
* @param {function} onError | |
* @return {Array<THREE.MeshToonMaterial>} | |
*/ | |
build: function ( data, geometry, onProgress, onError ) { | |
var materials = []; | |
var textures = {}; | |
this.textureLoader.setCrossOrigin( this.crossOrigin ); | |
// materials | |
for ( var i = 0; i < data.metadata.materialCount; i ++ ) { | |
var material = data.materials[ i ]; | |
var params = { userData: {} }; | |
if ( material.name !== undefined ) params.name = material.name; | |
/* | |
* Color | |
* | |
* MMD MeshToonMaterial | |
* diffuse - color | |
* specular - specular | |
* ambient - emissive * a | |
* (a = 1.0 without map texture or 0.2 with map texture) | |
* | |
* MeshToonMaterial doesn't have ambient. Set it to emissive instead. | |
* It'll be too bright if material has map texture so using coef 0.2. | |
*/ | |
params.color = new THREE.Color().fromArray( material.diffuse ); | |
params.opacity = material.diffuse[ 3 ]; | |
params.specular = new THREE.Color().fromArray( material.specular ); | |
params.emissive = new THREE.Color().fromArray( material.ambient ); | |
params.shininess = Math.max( material.shininess, 1e-4 ); // to prevent pow( 0.0, 0.0 ) | |
params.transparent = params.opacity !== 1.0; | |
// | |
params.skinning = geometry.bones.length > 0 ? true : false; | |
params.morphTargets = geometry.morphTargets.length > 0 ? true : false; | |
params.lights = true; | |
params.fog = true; | |
// blend | |
params.blending = THREE.CustomBlending; | |
params.blendSrc = THREE.SrcAlphaFactor; | |
params.blendDst = THREE.OneMinusSrcAlphaFactor; | |
params.blendSrcAlpha = THREE.SrcAlphaFactor; | |
params.blendDstAlpha = THREE.DstAlphaFactor; | |
// side | |
if ( data.metadata.format === 'pmx' && ( material.flag & 0x1 ) === 1 ) { | |
params.side = THREE.DoubleSide; | |
} else { | |
params.side = params.opacity === 1.0 ? THREE.FrontSide : THREE.DoubleSide; | |
} | |
if ( data.metadata.format === 'pmd' ) { | |
// map, envMap | |
if ( material.fileName ) { | |
var fileName = material.fileName; | |
var fileNames = fileName.split( '*' ); | |
// fileNames[ 0 ]: mapFileName | |
// fileNames[ 1 ]: envMapFileName( optional ) | |
params.map = this._loadTexture( fileNames[ 0 ], textures ); | |
if ( fileNames.length > 1 ) { | |
var extension = fileNames[ 1 ].slice( - 4 ).toLowerCase(); | |
params.envMap = this._loadTexture( | |
fileNames[ 1 ], | |
textures, | |
{ sphericalReflectionMapping: true } | |
); | |
params.combine = extension === '.sph' | |
? THREE.MultiplyOperation | |
: THREE.AddOperation; | |
} | |
} | |
// gradientMap | |
var toonFileName = ( material.toonIndex === - 1 ) | |
? 'toon00.bmp' | |
: data.toonTextures[ material.toonIndex ].fileName; | |
params.gradientMap = this._loadTexture( | |
toonFileName, | |
textures, | |
{ | |
isToonTexture: true, | |
isDefaultToonTexture: this._isDefaultToonTexture( toonFileName ) | |
} | |
); | |
// parameters for OutlineEffect | |
params.userData.outlineParameters = { | |
thickness: material.edgeFlag === 1 ? 0.003 : 0.0, | |
color: [ 0, 0, 0 ], | |
alpha: 1.0, | |
visible: material.edgeFlag === 1 | |
}; | |
} else { | |
// map | |
if ( material.textureIndex !== - 1 ) { | |
params.map = this._loadTexture( data.textures[ material.textureIndex ], textures ); | |
} | |
// envMap TODO: support m.envFlag === 3 | |
if ( material.envTextureIndex !== - 1 && ( material.envFlag === 1 || material.envFlag == 2 ) ) { | |
params.envMap = this._loadTexture( | |
data.textures[ material.envTextureIndex ], | |
textures, { sphericalReflectionMapping: true } | |
); | |
params.combine = material.envFlag === 1 | |
? THREE.MultiplyOperation | |
: THREE.AddOperation; | |
} | |
// gradientMap | |
var toonFileName, isDefaultToon; | |
if ( material.toonIndex === - 1 || material.toonFlag !== 0 ) { | |
toonFileName = 'toon' + ( '0' + ( material.toonIndex + 1 ) ).slice( - 2 ) + '.bmp'; | |
isDefaultToon = true; | |
} else { | |
toonFileName = data.textures[ material.toonIndex ]; | |
isDefaultToon = false; | |
} | |
params.gradientMap = this._loadTexture( | |
toonFileName, | |
textures, | |
{ | |
isToonTexture: true, | |
isDefaultToonTexture: isDefaultToon | |
} | |
); | |
// parameters for OutlineEffect | |
params.userData.outlineParameters = { | |
thickness: material.edgeSize / 300, // TODO: better calculation? | |
color: material.edgeColor.slice( 0, 3 ), | |
alpha: material.edgeColor[ 3 ], | |
visible: ( material.flag & 0x10 ) !== 0 && material.edgeSize > 0.0 | |
}; | |
} | |
if ( params.map !== undefined ) { | |
if ( ! params.transparent ) { | |
this._checkImageTransparency( params.map, geometry, i ); | |
} | |
params.emissive.multiplyScalar( 0.2 ); | |
} | |
materials.push( new THREE.MeshToonMaterial( params ) ); | |
} | |
if ( data.metadata.format === 'pmx' ) { | |
// set transparent true if alpha morph is defined. | |
function checkAlphaMorph( elements, materials ) { | |
for ( var i = 0, il = elements.length; i < il; i ++ ) { | |
var element = elements[ i ]; | |
if ( element.index === - 1 ) continue; | |
var material = materials[ element.index ]; | |
if ( material.opacity !== element.diffuse[ 3 ] ) { | |
material.transparent = true; | |
} | |
} | |
} | |
for ( var i = 0, il = data.morphs.length; i < il; i ++ ) { | |
var morph = data.morphs[ i ]; | |
var elements = morph.elements; | |
if ( morph.type === 0 ) { | |
for ( var j = 0, jl = elements.length; j < jl; j ++ ) { | |
var morph2 = data.morphs[ elements[ j ].index ]; | |
if ( morph2.type !== 8 ) continue; | |
checkAlphaMorph( morph2.elements, materials ); | |
} | |
} else if ( morph.type === 8 ) { | |
checkAlphaMorph( elements, materials ); | |
} | |
} | |
} | |
return materials; | |
}, | |
// private methods | |
_getTGALoader: function () { | |
if ( this.tgaLoader === null ) { | |
if ( THREE.TGALoader === undefined ) { | |
throw new Error( 'THREE.MMDLoader: Import THREE.TGALoader' ); | |
} | |
this.tgaLoader = new THREE.TGALoader( this.manager ); | |
} | |
return this.tgaLoader; | |
}, | |
_isDefaultToonTexture: function ( name ) { | |
if ( name.length !== 10 ) return false; | |
return /toon(10|0[0-9])\.bmp/.test( name ); | |
}, | |
_loadTexture: function ( filePath, textures, params, onProgress, onError ) { | |
params = params || {}; | |
var scope = this; | |
var fullPath; | |
if ( params.isDefaultToonTexture === true ) { | |
var index; | |
try { | |
index = parseInt( filePath.match( 'toon([0-9]{2})\.bmp$' )[ 1 ] ); | |
} catch ( e ) { | |
console.warn( 'THREE.MMDLoader: ' + filePath + ' seems like a ' | |
+ 'not right default texture path. Using toon00.bmp instead.' ); | |
index = 0; | |
} | |
fullPath = DEFAULT_TOON_TEXTURES[ index ]; | |
} else { | |
fullPath = this.resourcePath + filePath; | |
} | |
if ( textures[ fullPath ] !== undefined ) return textures[ fullPath ]; | |
var loader = THREE.Loader.Handlers.get( fullPath ); | |
if ( loader === null ) { | |
loader = ( filePath.slice( - 4 ).toLowerCase() === '.tga' ) | |
? this._getTGALoader() | |
: this.textureLoader; | |
} | |
var texture = loader.load( fullPath, function ( t ) { | |
// MMD toon texture is Axis-Y oriented | |
// but Three.js gradient map is Axis-X oriented. | |
// So here replaces the toon texture image with the rotated one. | |
if ( params.isToonTexture === true ) { | |
t.image = scope._getRotatedImage( t.image ); | |
} | |
t.flipY = false; | |
t.wrapS = THREE.RepeatWrapping; | |
t.wrapT = THREE.RepeatWrapping; | |
for ( var i = 0; i < texture.readyCallbacks.length; i ++ ) { | |
texture.readyCallbacks[ i ]( texture ); | |
} | |
delete texture.readyCallbacks; | |
}, onProgress, onError ); | |
if ( params.sphericalReflectionMapping === true ) { | |
texture.mapping = THREE.SphericalReflectionMapping; | |
} | |
texture.readyCallbacks = []; | |
textures[ fullPath ] = texture; | |
return texture; | |
}, | |
_getRotatedImage: function ( image ) { | |
var canvas = document.createElement( 'canvas' ); | |
var context = canvas.getContext( '2d' ); | |
var width = image.width; | |
var height = image.height; | |
canvas.width = width; | |
canvas.height = height; | |
context.clearRect( 0, 0, width, height ); | |
context.translate( width / 2.0, height / 2.0 ); | |
context.rotate( 0.5 * Math.PI ); // 90.0 * Math.PI / 180.0 | |
context.translate( - width / 2.0, - height / 2.0 ); | |
context.drawImage( image, 0, 0 ); | |
return context.getImageData( 0, 0, width, height ); | |
}, | |
// Check if the partial image area used by the texture is transparent. | |
_checkImageTransparency: function ( map, geometry, groupIndex ) { | |
map.readyCallbacks.push( function ( texture ) { | |
// Is there any efficient ways? | |
function createImageData( image ) { | |
var canvas = document.createElement( 'canvas' ); | |
canvas.width = image.width; | |
canvas.height = image.height; | |
var context = canvas.getContext( '2d' ); | |
context.drawImage( image, 0, 0 ); | |
return context.getImageData( 0, 0, canvas.width, canvas.height ); | |
} | |
function detectImageTransparency( image, uvs, indices ) { | |
var width = image.width; | |
var height = image.height; | |
var data = image.data; | |
var threshold = 253; | |
if ( data.length / ( width * height ) !== 4 ) return false; | |
for ( var i = 0; i < indices.length; i += 3 ) { | |
var centerUV = { x: 0.0, y: 0.0 }; | |
for ( var j = 0; j < 3; j ++ ) { | |
var index = indices[ i * 3 + j ]; | |
var uv = { x: uvs[ index * 2 + 0 ], y: uvs[ index * 2 + 1 ] }; | |
if ( getAlphaByUv( image, uv ) < threshold ) return true; | |
centerUV.x += uv.x; | |
centerUV.y += uv.y; | |
} | |
centerUV.x /= 3; | |
centerUV.y /= 3; | |
if ( getAlphaByUv( image, centerUV ) < threshold ) return true; | |
} | |
return false; | |
} | |
/* | |
* This method expects | |
* texture.flipY = false | |
* texture.wrapS = THREE.RepeatWrapping | |
* texture.wrapT = THREE.RepeatWrapping | |
* TODO: more precise | |
*/ | |
function getAlphaByUv( image, uv ) { | |
var width = image.width; | |
var height = image.height; | |
var x = Math.round( uv.x * width ) % width; | |
var y = Math.round( uv.y * height ) % height; | |
if ( x < 0 ) x += width; | |
if ( y < 0 ) y += height; | |
var index = y * width + x; | |
return image.data[ index * 4 + 3 ]; | |
} | |
var imageData = texture.image.data !== undefined | |
? texture.image | |
: createImageData( texture.image ); | |
var group = geometry.groups[ groupIndex ]; | |
if ( detectImageTransparency( | |
imageData, | |
geometry.attributes.uv.array, | |
geometry.index.array.slice( group.start, group.start + group.count ) ) ) { | |
map.transparent = true; | |
} | |
} ); | |
} | |
}; | |
// | |
function AnimationBuilder() { | |
} | |
AnimationBuilder.prototype = { | |
constructor: AnimationBuilder, | |
/** | |
* @param {Object} vmd - parsed VMD data | |
* @param {THREE.SkinnedMesh} mesh - tracks will be fitting to mesh | |
* @return {THREE.AnimationClip} | |
*/ | |
build: function ( vmd, mesh ) { | |
// combine skeletal and morph animations | |
var tracks = this.buildSkeletalAnimation( vmd, mesh ).tracks; | |
var tracks2 = this.buildMorphAnimation( vmd, mesh ).tracks; | |
for ( var i = 0, il = tracks2.length; i < il; i ++ ) { | |
tracks.push( tracks2[ i ] ); | |
} | |
return new THREE.AnimationClip( '', - 1, tracks ); | |
}, | |
/** | |
* @param {Object} vmd - parsed VMD data | |
* @param {THREE.SkinnedMesh} mesh - tracks will be fitting to mesh | |
* @return {THREE.AnimationClip} | |
*/ | |
buildSkeletalAnimation: function ( vmd, mesh ) { | |
function pushInterpolation( array, interpolation, index ) { | |
array.push( interpolation[ index + 0 ] / 127 ); // x1 | |
array.push( interpolation[ index + 8 ] / 127 ); // x2 | |
array.push( interpolation[ index + 4 ] / 127 ); // y1 | |
array.push( interpolation[ index + 12 ] / 127 ); // y2 | |
} | |
var tracks = []; | |
var motions = {}; | |
var bones = mesh.skeleton.bones; | |
var boneNameDictionary = {}; | |
for ( var i = 0, il = bones.length; i < il; i ++ ) { | |
boneNameDictionary[ bones[ i ].name ] = true; | |
} | |
for ( var i = 0; i < vmd.metadata.motionCount; i ++ ) { | |
var motion = vmd.motions[ i ]; | |
var boneName = motion.boneName; | |
if ( boneNameDictionary[ boneName ] === undefined ) continue; | |
motions[ boneName ] = motions[ boneName ] || []; | |
motions[ boneName ].push( motion ); | |
} | |
for ( var key in motions ) { | |
var array = motions[ key ]; | |
array.sort( function ( a, b ) { | |
return a.frameNum - b.frameNum; | |
} ); | |
var times = []; | |
var positions = []; | |
var rotations = []; | |
var pInterpolations = []; | |
var rInterpolations = []; | |
var basePosition = mesh.skeleton.getBoneByName( key ).position.toArray(); | |
for ( var i = 0, il = array.length; i < il; i ++ ) { | |
var time = array[ i ].frameNum / 30; | |
var position = array[ i ].position; | |
var rotation = array[ i ].rotation; | |
var interpolation = array[ i ].interpolation; | |
times.push( time ); | |
for ( var j = 0; j < 3; j ++ ) positions.push( basePosition[ j ] + position[ j ] ); | |
for ( var j = 0; j < 4; j ++ ) rotations.push( rotation[ j ] ); | |
for ( var j = 0; j < 3; j ++ ) pushInterpolation( pInterpolations, interpolation, j ); | |
pushInterpolation( rInterpolations, interpolation, 3 ); | |
} | |
var targetName = '.bones[' + key + ']'; | |
tracks.push( this._createTrack( targetName + '.position', THREE.VectorKeyframeTrack, times, positions, pInterpolations ) ); | |
tracks.push( this._createTrack( targetName + '.quaternion', THREE.QuaternionKeyframeTrack, times, rotations, rInterpolations ) ); | |
} | |
return new THREE.AnimationClip( '', - 1, tracks ); | |
}, | |
/** | |
* @param {Object} vmd - parsed VMD data | |
* @param {THREE.SkinnedMesh} mesh - tracks will be fitting to mesh | |
* @return {THREE.AnimationClip} | |
*/ | |
buildMorphAnimation: function ( vmd, mesh ) { | |
var tracks = []; | |
var morphs = {}; | |
var morphTargetDictionary = mesh.morphTargetDictionary; | |
for ( var i = 0; i < vmd.metadata.morphCount; i ++ ) { | |
var morph = vmd.morphs[ i ]; | |
var morphName = morph.morphName; | |
if ( morphTargetDictionary[ morphName ] === undefined ) continue; | |
morphs[ morphName ] = morphs[ morphName ] || []; | |
morphs[ morphName ].push( morph ); | |
} | |
for ( var key in morphs ) { | |
var array = morphs[ key ]; | |
array.sort( function ( a, b ) { | |
return a.frameNum - b.frameNum; | |
} ); | |
var times = []; | |
var values = []; | |
for ( var i = 0, il = array.length; i < il; i ++ ) { | |
times.push( array[ i ].frameNum / 30 ); | |
values.push( array[ i ].weight ); | |
} | |
tracks.push( new THREE.NumberKeyframeTrack( '.morphTargetInfluences[' + morphTargetDictionary[ key ] + ']', times, values ) ); | |
} | |
return new THREE.AnimationClip( '', - 1, tracks ); | |
}, | |
/** | |
* @param {Object} vmd - parsed VMD data | |
* @return {THREE.AnimationClip} | |
*/ | |
buildCameraAnimation: function ( vmd ) { | |
function pushVector3( array, vec ) { | |
array.push( vec.x ); | |
array.push( vec.y ); | |
array.push( vec.z ); | |
} | |
function pushQuaternion( array, q ) { | |
array.push( q.x ); | |
array.push( q.y ); | |
array.push( q.z ); | |
array.push( q.w ); | |
} | |
function pushInterpolation( array, interpolation, index ) { | |
array.push( interpolation[ index * 4 + 0 ] / 127 ); // x1 | |
array.push( interpolation[ index * 4 + 1 ] / 127 ); // x2 | |
array.push( interpolation[ index * 4 + 2 ] / 127 ); // y1 | |
array.push( interpolation[ index * 4 + 3 ] / 127 ); // y2 | |
} | |
var tracks = []; | |
var cameras = vmd.cameras === undefined ? [] : vmd.cameras.slice(); | |
cameras.sort( function ( a, b ) { | |
return a.frameNum - b.frameNum; | |
} ); | |
var times = []; | |
var centers = []; | |
var quaternions = []; | |
var positions = []; | |
var fovs = []; | |
var cInterpolations = []; | |
var qInterpolations = []; | |
var pInterpolations = []; | |
var fInterpolations = []; | |
var quaternion = new THREE.Quaternion(); | |
var euler = new THREE.Euler(); | |
var position = new THREE.Vector3(); | |
var center = new THREE.Vector3(); | |
for ( var i = 0, il = cameras.length; i < il; i ++ ) { | |
var motion = cameras[ i ]; | |
var time = motion.frameNum / 30; | |
var pos = motion.position; | |
var rot = motion.rotation; | |
var distance = motion.distance; | |
var fov = motion.fov; | |
var interpolation = motion.interpolation; | |
times.push( time ); | |
position.set( 0, 0, - distance ); | |
center.set( pos[ 0 ], pos[ 1 ], pos[ 2 ] ); | |
euler.set( - rot[ 0 ], - rot[ 1 ], - rot[ 2 ] ); | |
quaternion.setFromEuler( euler ); | |
position.add( center ); | |
position.applyQuaternion( quaternion ); | |
pushVector3( centers, center ); | |
pushQuaternion( quaternions, quaternion ); | |
pushVector3( positions, position ); | |
fovs.push( fov ); | |
for ( var j = 0; j < 3; j ++ ) { | |
pushInterpolation( cInterpolations, interpolation, j ); | |
} | |
pushInterpolation( qInterpolations, interpolation, 3 ); | |
// use the same parameter for x, y, z axis. | |
for ( var j = 0; j < 3; j ++ ) { | |
pushInterpolation( pInterpolations, interpolation, 4 ); | |
} | |
pushInterpolation( fInterpolations, interpolation, 5 ); | |
} | |
var tracks = []; | |
// I expect an object whose name 'target' exists under THREE.Camera | |
tracks.push( this._createTrack( 'target.position', THREE.VectorKeyframeTrack, times, centers, cInterpolations ) ); | |
tracks.push( this._createTrack( '.quaternion', THREE.QuaternionKeyframeTrack, times, quaternions, qInterpolations ) ); | |
tracks.push( this._createTrack( '.position', THREE.VectorKeyframeTrack, times, positions, pInterpolations ) ); | |
tracks.push( this._createTrack( '.fov', THREE.NumberKeyframeTrack, times, fovs, fInterpolations ) ); | |
return new THREE.AnimationClip( '', - 1, tracks ); | |
}, | |
// private method | |
_createTrack: function ( node, typedKeyframeTrack, times, values, interpolations ) { | |
/* | |
* optimizes here not to let KeyframeTrackPrototype optimize | |
* because KeyframeTrackPrototype optimizes times and values but | |
* doesn't optimize interpolations. | |
*/ | |
if ( times.length > 2 ) { | |
times = times.slice(); | |
values = values.slice(); | |
interpolations = interpolations.slice(); | |
var stride = values.length / times.length; | |
var interpolateStride = interpolations.length / times.length; | |
var index = 1; | |
for ( var aheadIndex = 2, endIndex = times.length; aheadIndex < endIndex; aheadIndex ++ ) { | |
for ( var i = 0; i < stride; i ++ ) { | |
if ( values[ index * stride + i ] !== values[ ( index - 1 ) * stride + i ] || | |
values[ index * stride + i ] !== values[ aheadIndex * stride + i ] ) { | |
index ++; | |
break; | |
} | |
} | |
if ( aheadIndex > index ) { | |
times[ index ] = times[ aheadIndex ]; | |
for ( var i = 0; i < stride; i ++ ) { | |
values[ index * stride + i ] = values[ aheadIndex * stride + i ]; | |
} | |
for ( var i = 0; i < interpolateStride; i ++ ) { | |
interpolations[ index * interpolateStride + i ] = interpolations[ aheadIndex * interpolateStride + i ]; | |
} | |
} | |
} | |
times.length = index + 1; | |
values.length = ( index + 1 ) * stride; | |
interpolations.length = ( index + 1 ) * interpolateStride; | |
} | |
var track = new typedKeyframeTrack( node, times, values ); | |
track.createInterpolant = function InterpolantFactoryMethodCubicBezier( result ) { | |
return new CubicBezierInterpolation( this.times, this.values, this.getValueSize(), result, new Float32Array( interpolations ) ); | |
}; | |
return track; | |
} | |
}; | |
// interpolation | |
function CubicBezierInterpolation( parameterPositions, sampleValues, sampleSize, resultBuffer, params ) { | |
THREE.Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer ); | |
this.interpolationParams = params; | |
} | |
CubicBezierInterpolation.prototype = Object.assign( Object.create( THREE.Interpolant.prototype ), { | |
constructor: CubicBezierInterpolation, | |
interpolate_: function ( i1, t0, t, t1 ) { | |
var result = this.resultBuffer; | |
var values = this.sampleValues; | |
var stride = this.valueSize; | |
var params = this.interpolationParams; | |
var offset1 = i1 * stride; | |
var offset0 = offset1 - stride; | |
// No interpolation if next key frame is in one frame in 30fps. | |
// This is from MMD animation spec. | |
// '1.5' is for precision loss. times are Float32 in Three.js Animation system. | |
var weight1 = ( ( t1 - t0 ) < 1 / 30 * 1.5 ) ? 0.0 : ( t - t0 ) / ( t1 - t0 ); | |
if ( stride === 4 ) { // Quaternion | |
var x1 = params[ i1 * 4 + 0 ]; | |
var x2 = params[ i1 * 4 + 1 ]; | |
var y1 = params[ i1 * 4 + 2 ]; | |
var y2 = params[ i1 * 4 + 3 ]; | |
var ratio = this._calculate( x1, x2, y1, y2, weight1 ); | |
THREE.Quaternion.slerpFlat( result, 0, values, offset0, values, offset1, ratio ); | |
} else if ( stride === 3 ) { // Vector3 | |
for ( var i = 0; i !== stride; ++ i ) { | |
var x1 = params[ i1 * 12 + i * 4 + 0 ]; | |
var x2 = params[ i1 * 12 + i * 4 + 1 ]; | |
var y1 = params[ i1 * 12 + i * 4 + 2 ]; | |
var y2 = params[ i1 * 12 + i * 4 + 3 ]; | |
var ratio = this._calculate( x1, x2, y1, y2, weight1 ); | |
result[ i ] = values[ offset0 + i ] * ( 1 - ratio ) + values[ offset1 + i ] * ratio; | |
} | |
} else { // Number | |
var x1 = params[ i1 * 4 + 0 ]; | |
var x2 = params[ i1 * 4 + 1 ]; | |
var y1 = params[ i1 * 4 + 2 ]; | |
var y2 = params[ i1 * 4 + 3 ]; | |
var ratio = this._calculate( x1, x2, y1, y2, weight1 ); | |
result[ 0 ] = values[ offset0 ] * ( 1 - ratio ) + values[ offset1 ] * ratio; | |
} | |
return result; | |
}, | |
_calculate: function ( x1, x2, y1, y2, x ) { | |
/* | |
* Cubic Bezier curves | |
* https://en.wikipedia.org/wiki/B%C3%A9zier_curve#Cubic_B.C3.A9zier_curves | |
* | |
* B(t) = ( 1 - t ) ^ 3 * P0 | |
* + 3 * ( 1 - t ) ^ 2 * t * P1 | |
* + 3 * ( 1 - t ) * t^2 * P2 | |
* + t ^ 3 * P3 | |
* ( 0 <= t <= 1 ) | |
* | |
* MMD uses Cubic Bezier curves for bone and camera animation interpolation. | |
* http://d.hatena.ne.jp/edvakf/20111016/1318716097 | |
* | |
* x = ( 1 - t ) ^ 3 * x0 | |
* + 3 * ( 1 - t ) ^ 2 * t * x1 | |
* + 3 * ( 1 - t ) * t^2 * x2 | |
* + t ^ 3 * x3 | |
* y = ( 1 - t ) ^ 3 * y0 | |
* + 3 * ( 1 - t ) ^ 2 * t * y1 | |
* + 3 * ( 1 - t ) * t^2 * y2 | |
* + t ^ 3 * y3 | |
* ( x0 = 0, y0 = 0 ) | |
* ( x3 = 1, y3 = 1 ) | |
* ( 0 <= t, x1, x2, y1, y2 <= 1 ) | |
* | |
* Here solves this equation with Bisection method, | |
* https://en.wikipedia.org/wiki/Bisection_method | |
* gets t, and then calculate y. | |
* | |
* f(t) = 3 * ( 1 - t ) ^ 2 * t * x1 | |
* + 3 * ( 1 - t ) * t^2 * x2 | |
* + t ^ 3 - x = 0 | |
* | |
* (Another option: Newton's method | |
* https://en.wikipedia.org/wiki/Newton%27s_method) | |
*/ | |
var c = 0.5; | |
var t = c; | |
var s = 1.0 - t; | |
var loop = 15; | |
var eps = 1e-5; | |
var math = Math; | |
var sst3, stt3, ttt; | |
for ( var i = 0; i < loop; i ++ ) { | |
sst3 = 3.0 * s * s * t; | |
stt3 = 3.0 * s * t * t; | |
ttt = t * t * t; | |
var ft = ( sst3 * x1 ) + ( stt3 * x2 ) + ( ttt ) - x; | |
if ( math.abs( ft ) < eps ) break; | |
c /= 2.0; | |
t += ( ft < 0 ) ? c : - c; | |
s = 1.0 - t; | |
} | |
return ( sst3 * y1 ) + ( stt3 * y2 ) + ttt; | |
} | |
} ); | |
return MMDLoader; | |
} )(); | |