three-stdlib
Version:
stand-alone library of threejs examples
1,128 lines (1,127 loc) • 42 kB
JavaScript
import { Loader, FileLoader, LoaderUtils, SkinnedMesh, Skeleton, Bone, Vector3, Float32BufferAttribute, BufferGeometry, Uint16BufferAttribute, TextureLoader, Color, MultiplyOperation, AddOperation, MeshToonMaterial, NearestFilter, RepeatWrapping, AnimationClip, VectorKeyframeTrack, QuaternionKeyframeTrack, NumberKeyframeTrack, Quaternion, Euler, Interpolant, CustomBlending, SrcAlphaFactor, OneMinusSrcAlphaFactor, DstAlphaFactor, DoubleSide, FrontSide } from "three";
import { TGALoader } from "./TGALoader.js";
import { Parser } from "../libs/mmdparser.js";
class MMDLoader extends Loader {
constructor(manager) {
super(manager);
this.loader = new FileLoader(this.manager);
this.parser = null;
this.meshBuilder = new MeshBuilder(this.manager);
this.animationBuilder = new AnimationBuilder();
}
/**
* @param {string} animationPath
* @return {MMDLoader}
*/
setAnimationPath(animationPath) {
this.animationPath = animationPath;
return this;
}
// Load MMD assets as Three.js Object
/**
* Loads Model file (.pmd or .pmx) as a SkinnedMesh.
*
* @param {string} url - url to Model(.pmd or .pmx) file
* @param {function} onLoad
* @param {function} onProgress
* @param {function} onError
*/
load(url, onLoad, onProgress, onError) {
const builder = this.meshBuilder.setCrossOrigin(this.crossOrigin);
let resourcePath;
if (this.resourcePath !== "") {
resourcePath = this.resourcePath;
} else if (this.path !== "") {
resourcePath = this.path;
} else {
resourcePath = LoaderUtils.extractUrlBase(url);
}
const modelExtension = this._extractExtension(url).toLowerCase();
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 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 {SkinnedMesh|THREE.Camera} object - tracks will be fitting to this object
* @param {function} onLoad
* @param {function} onProgress
* @param {function} onError
*/
loadAnimation(url, object, onLoad, onProgress, onError) {
const 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 SkinnedMesh and a AnimationClip.
* Tracks of 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(modelUrl, vmdUrl, onLoad, onProgress, onError) {
const scope = this;
this.load(
modelUrl,
function(mesh) {
scope.loadAnimation(
vmdUrl,
mesh,
function(animation) {
onLoad({
mesh,
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(url, onLoad, onProgress, onError) {
const parser = this._getParser();
this.loader.setMimeType(void 0).setPath(this.path).setResponseType("arraybuffer").setRequestHeader(this.requestHeader).setWithCredentials(this.withCredentials).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(url, onLoad, onProgress, onError) {
const parser = this._getParser();
this.loader.setMimeType(void 0).setPath(this.path).setResponseType("arraybuffer").setRequestHeader(this.requestHeader).setWithCredentials(this.withCredentials).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(url, onLoad, onProgress, onError) {
const urls = Array.isArray(url) ? url : [url];
const vmds = [];
const vmdNum = urls.length;
const parser = this._getParser();
this.loader.setMimeType(void 0).setPath(this.animationPath).setResponseType("arraybuffer").setRequestHeader(this.requestHeader).setWithCredentials(this.withCredentials);
for (let 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(url, isUnicode, onLoad, onProgress, onError) {
const parser = this._getParser();
this.loader.setMimeType(isUnicode ? void 0 : "text/plain; charset=shift_jis").setPath(this.animationPath).setResponseType("text").setRequestHeader(this.requestHeader).setWithCredentials(this.withCredentials).load(
url,
function(text) {
onLoad(parser.parseVpd(text, true));
},
onProgress,
onError
);
}
// private methods
_extractExtension(url) {
const index = url.lastIndexOf(".");
return index < 0 ? "" : url.slice(index + 1);
}
_getParser() {
if (this.parser === null) {
this.parser = new Parser();
}
return this.parser;
}
}
const DEFAULT_TOON_TEXTURES = [
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"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAOklEQVRYR+3WoREAMAwDsWb/UQtCy9wxTOQJ/oQ8SXKKGwEECBAgQIBAXeDt7f4BAQQIECBAgEBb4AOz8Hzx7WLY4wAAAABJRU5ErkJggg==",
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];
class MeshBuilder {
constructor(manager) {
this.crossOrigin = "anonymous";
this.geometryBuilder = new GeometryBuilder();
this.materialBuilder = new MaterialBuilder(manager);
}
/**
* @param {string} crossOrigin
* @return {MeshBuilder}
*/
setCrossOrigin(crossOrigin) {
this.crossOrigin = crossOrigin;
return this;
}
/**
* @param {Object} data - parsed PMD/PMX data
* @param {string} resourcePath
* @param {function} onProgress
* @param {function} onError
* @return {SkinnedMesh}
*/
build(data, resourcePath, onProgress, onError) {
const geometry = this.geometryBuilder.build(data);
const material = this.materialBuilder.setCrossOrigin(this.crossOrigin).setResourcePath(resourcePath).build(data, geometry, onProgress, onError);
const mesh = new SkinnedMesh(geometry, material);
const skeleton = new Skeleton(initBones(mesh));
mesh.bind(skeleton);
return mesh;
}
}
function initBones(mesh) {
const geometry = mesh.geometry;
const bones = [];
if (geometry && geometry.bones !== void 0) {
for (let i = 0, il = geometry.bones.length; i < il; i++) {
const gbone = geometry.bones[i];
const bone = new Bone();
bones.push(bone);
bone.name = gbone.name;
bone.position.fromArray(gbone.pos);
bone.quaternion.fromArray(gbone.rotq);
if (gbone.scl !== void 0)
bone.scale.fromArray(gbone.scl);
}
for (let i = 0, il = geometry.bones.length; i < il; i++) {
const gbone = geometry.bones[i];
if (gbone.parent !== -1 && gbone.parent !== null && bones[gbone.parent] !== void 0) {
bones[gbone.parent].add(bones[i]);
} else {
mesh.add(bones[i]);
}
}
}
mesh.updateMatrixWorld(true);
return bones;
}
class GeometryBuilder {
/**
* @param {Object} data - parsed PMD/PMX data
* @return {BufferGeometry}
*/
build(data) {
const positions = [];
const uvs = [];
const normals = [];
const indices = [];
const groups = [];
const bones = [];
const skinIndices = [];
const skinWeights = [];
const morphTargets = [];
const morphPositions = [];
const iks = [];
const grants = [];
const rigidBodies = [];
const constraints = [];
let offset = 0;
const boneTypeTable = {};
for (let i = 0; i < data.metadata.vertexCount; i++) {
const v = data.vertices[i];
for (let j = 0, jl = v.position.length; j < jl; j++) {
positions.push(v.position[j]);
}
for (let j = 0, jl = v.normal.length; j < jl; j++) {
normals.push(v.normal[j]);
}
for (let j = 0, jl = v.uv.length; j < jl; j++) {
uvs.push(v.uv[j]);
}
for (let j = 0; j < 4; j++) {
skinIndices.push(v.skinIndices.length - 1 >= j ? v.skinIndices[j] : 0);
}
for (let j = 0; j < 4; j++) {
skinWeights.push(v.skinWeights.length - 1 >= j ? v.skinWeights[j] : 0);
}
}
for (let i = 0; i < data.metadata.faceCount; i++) {
const face = data.faces[i];
for (let j = 0, jl = face.indices.length; j < jl; j++) {
indices.push(face.indices[j]);
}
}
for (let i = 0; i < data.metadata.materialCount; i++) {
const material = data.materials[i];
groups.push({
offset: offset * 3,
count: material.faceCount * 3
});
offset += material.faceCount;
}
for (let i = 0; i < data.metadata.rigidBodyCount; i++) {
const body = data.rigidBodies[i];
let value = boneTypeTable[body.boneIndex];
value = value === void 0 ? body.type : Math.max(body.type, value);
boneTypeTable[body.boneIndex] = value;
}
for (let i = 0; i < data.metadata.boneCount; i++) {
const boneData = data.bones[i];
const bone = {
index: i,
transformationClass: boneData.transformationClass,
parent: boneData.parentIndex,
name: boneData.name,
pos: boneData.position.slice(0, 3),
rotq: [0, 0, 0, 1],
scl: [1, 1, 1],
rigidBodyType: boneTypeTable[i] !== void 0 ? 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);
}
if (data.metadata.format === "pmd") {
for (let i = 0; i < data.metadata.ikCount; i++) {
const ik = data.iks[i];
const param = {
target: ik.target,
effector: ik.effector,
iteration: ik.iteration,
maxAngle: ik.maxAngle * 4,
links: []
};
for (let j = 0, jl = ik.links.length; j < jl; j++) {
const link = {};
link.index = ik.links[j].index;
link.enabled = true;
if (data.bones[link.index].name.indexOf("ひざ") >= 0) {
link.limitation = new Vector3(1, 0, 0);
}
param.links.push(link);
}
iks.push(param);
}
} else {
for (let i = 0; i < data.metadata.boneCount; i++) {
const ik = data.bones[i].ik;
if (ik === void 0)
continue;
const param = {
target: i,
effector: ik.effector,
iteration: ik.iteration,
maxAngle: ik.maxAngle,
links: []
};
for (let j = 0, jl = ik.links.length; j < jl; j++) {
const link = {};
link.index = ik.links[j].index;
link.enabled = true;
if (ik.links[j].angleLimitation === 1) {
const rotationMin = ik.links[j].lowerLimitationAngle;
const rotationMax = ik.links[j].upperLimitationAngle;
const tmp1 = -rotationMax[0];
const tmp2 = -rotationMax[1];
rotationMax[0] = -rotationMin[0];
rotationMax[1] = -rotationMin[1];
rotationMin[0] = tmp1;
rotationMin[1] = tmp2;
link.rotationMin = new Vector3().fromArray(rotationMin);
link.rotationMax = new Vector3().fromArray(rotationMax);
}
param.links.push(link);
}
iks.push(param);
bones[i].ik = param;
}
}
if (data.metadata.format === "pmx") {
let traverse = function(entry) {
if (entry.param) {
grants.push(entry.param);
bones[entry.param.index].grant = entry.param;
}
entry.visited = true;
for (let i = 0, il = entry.children.length; i < il; i++) {
const child = entry.children[i];
if (!child.visited)
traverse(child);
}
};
const grantEntryMap = {};
for (let i = 0; i < data.metadata.boneCount; i++) {
const boneData = data.bones[i];
const grant = boneData.grant;
if (grant === void 0)
continue;
const param = {
index: i,
parentIndex: grant.parentIndex,
ratio: grant.ratio,
isLocal: grant.isLocal,
affectRotation: grant.affectRotation,
affectPosition: grant.affectPosition,
transformationClass: boneData.transformationClass
};
grantEntryMap[i] = { parent: null, children: [], param, visited: false };
}
const rootEntry = { parent: null, children: [], param: null, visited: false };
for (const boneIndex in grantEntryMap) {
const grantEntry = grantEntryMap[boneIndex];
const parentGrantEntry = grantEntryMap[grantEntry.parentIndex] || rootEntry;
grantEntry.parent = parentGrantEntry;
parentGrantEntry.children.push(grantEntry);
}
traverse(rootEntry);
}
function updateAttributes(attribute, morph, ratio) {
for (let i = 0; i < morph.elementCount; i++) {
const element = morph.elements[i];
let 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 (let i = 0; i < data.metadata.morphCount; i++) {
const morph = data.morphs[i];
const params = { name: morph.name };
const attribute = new Float32BufferAttribute(data.metadata.vertexCount * 3, 3);
attribute.name = morph.name;
for (let 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);
}
} else {
if (morph.type === 0) {
for (let j = 0; j < morph.elementCount; j++) {
const morph2 = data.morphs[morph.elements[j].index];
const ratio = morph.elements[j].ratio;
if (morph2.type === 1) {
updateAttributes(attribute, morph2, ratio);
}
}
} else if (morph.type === 1) {
updateAttributes(attribute, morph, 1);
} else if (morph.type === 2)
;
else if (morph.type === 3)
;
else if (morph.type === 4)
;
else if (morph.type === 5)
;
else if (morph.type === 6)
;
else if (morph.type === 7)
;
else if (morph.type === 8)
;
}
morphTargets.push(params);
morphPositions.push(attribute);
}
for (let i = 0; i < data.metadata.rigidBodyCount; i++) {
const rigidBody = data.rigidBodies[i];
const params = {};
for (const key in rigidBody) {
params[key] = rigidBody[key];
}
if (data.metadata.format === "pmx") {
if (params.boneIndex !== -1) {
const 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);
}
for (let i = 0; i < data.metadata.constraintCount; i++) {
const constraint = data.constraints[i];
const params = {};
for (const key in constraint) {
params[key] = constraint[key];
}
const bodyA = rigidBodies[params.rigidBodyIndex1];
const bodyB = rigidBodies[params.rigidBodyIndex2];
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);
}
const geometry = new BufferGeometry();
geometry.setAttribute("position", new Float32BufferAttribute(positions, 3));
geometry.setAttribute("normal", new Float32BufferAttribute(normals, 3));
geometry.setAttribute("uv", new Float32BufferAttribute(uvs, 2));
geometry.setAttribute("skinIndex", new Uint16BufferAttribute(skinIndices, 4));
geometry.setAttribute("skinWeight", new Float32BufferAttribute(skinWeights, 4));
geometry.setIndex(indices);
for (let 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.morphTargetsRelative = false;
geometry.userData.MMD = {
bones,
iks,
grants,
rigidBodies,
constraints,
format: data.metadata.format
};
geometry.computeBoundingSphere();
return geometry;
}
}
class MaterialBuilder {
constructor(manager) {
this.manager = manager;
this.textureLoader = new TextureLoader(this.manager);
this.tgaLoader = null;
this.crossOrigin = "anonymous";
this.resourcePath = void 0;
}
/**
* @param {string} crossOrigin
* @return {MaterialBuilder}
*/
setCrossOrigin(crossOrigin) {
this.crossOrigin = crossOrigin;
return this;
}
/**
* @param {string} resourcePath
* @return {MaterialBuilder}
*/
setResourcePath(resourcePath) {
this.resourcePath = resourcePath;
return this;
}
/**
* @param {Object} data - parsed PMD/PMX data
* @param {BufferGeometry} geometry - some properties are dependend on geometry
* @param {function} onProgress
* @param {function} onError
* @return {Array<MeshToonMaterial>}
*/
build(data, geometry) {
const materials = [];
const textures = {};
this.textureLoader.setCrossOrigin(this.crossOrigin);
for (let i = 0; i < data.metadata.materialCount; i++) {
const material = data.materials[i];
const params = { userData: {} };
if (material.name !== void 0)
params.name = material.name;
params.color = new Color().fromArray(material.diffuse);
params.opacity = material.diffuse[3];
params.emissive = new Color().fromArray(material.ambient);
params.transparent = params.opacity !== 1;
params.skinning = geometry.bones.length > 0 ? true : false;
params.morphTargets = geometry.morphTargets.length > 0 ? true : false;
params.fog = true;
params.blending = CustomBlending;
params.blendSrc = SrcAlphaFactor;
params.blendDst = OneMinusSrcAlphaFactor;
params.blendSrcAlpha = SrcAlphaFactor;
params.blendDstAlpha = DstAlphaFactor;
if (data.metadata.format === "pmx" && (material.flag & 1) === 1) {
params.side = DoubleSide;
} else {
params.side = params.opacity === 1 ? FrontSide : DoubleSide;
}
if (data.metadata.format === "pmd") {
if (material.fileName) {
const fileName = material.fileName;
const fileNames = fileName.split("*");
params.map = this._loadTexture(fileNames[0], textures);
if (fileNames.length > 1) {
const extension = fileNames[1].slice(-4).toLowerCase();
params.envMap = this._loadTexture(fileNames[1], textures);
params.combine = extension === ".sph" ? MultiplyOperation : AddOperation;
}
}
const toonFileName = material.toonIndex === -1 ? "toon00.bmp" : data.toonTextures[material.toonIndex].fileName;
params.gradientMap = this._loadTexture(toonFileName, textures, {
isToonTexture: true,
isDefaultToonTexture: this._isDefaultToonTexture(toonFileName)
});
params.userData.outlineParameters = {
thickness: material.edgeFlag === 1 ? 3e-3 : 0,
color: [0, 0, 0],
alpha: 1,
visible: material.edgeFlag === 1
};
} else {
if (material.textureIndex !== -1) {
params.map = this._loadTexture(data.textures[material.textureIndex], textures);
}
if (material.envTextureIndex !== -1 && (material.envFlag === 1 || material.envFlag == 2)) {
params.envMap = this._loadTexture(data.textures[material.envTextureIndex], textures);
params.combine = material.envFlag === 1 ? MultiplyOperation : AddOperation;
}
let 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
});
params.userData.outlineParameters = {
thickness: material.edgeSize / 300,
// TODO: better calculation?
color: material.edgeColor.slice(0, 3),
alpha: material.edgeColor[3],
visible: (material.flag & 16) !== 0 && material.edgeSize > 0
};
}
if (params.map !== void 0) {
if (!params.transparent) {
this._checkImageTransparency(params.map, geometry, i);
}
params.emissive.multiplyScalar(0.2);
}
materials.push(new MeshToonMaterial(params));
}
if (data.metadata.format === "pmx") {
let checkAlphaMorph = function(elements, materials2) {
for (let i = 0, il = elements.length; i < il; i++) {
const element = elements[i];
if (element.index === -1)
continue;
const material = materials2[element.index];
if (material.opacity !== element.diffuse[3]) {
material.transparent = true;
}
}
};
for (let i = 0, il = data.morphs.length; i < il; i++) {
const morph = data.morphs[i];
const elements = morph.elements;
if (morph.type === 0) {
for (let j = 0, jl = elements.length; j < jl; j++) {
const 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() {
if (this.tgaLoader === null) {
if (TGALoader === void 0) {
throw new Error("THREE.MMDLoader: Import TGALoader");
}
this.tgaLoader = new TGALoader(this.manager);
}
return this.tgaLoader;
}
_isDefaultToonTexture(name) {
if (name.length !== 10)
return false;
return /toon(10|0[0-9])\.bmp/.test(name);
}
_loadTexture(filePath, textures, params, onProgress, onError) {
params = params || {};
const scope = this;
let fullPath;
if (params.isDefaultToonTexture === true) {
let 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] !== void 0)
return textures[fullPath];
let loader = this.manager.getHandler(fullPath);
if (loader === null) {
loader = filePath.slice(-4).toLowerCase() === ".tga" ? this._getTGALoader() : this.textureLoader;
}
const texture = loader.load(
fullPath,
function(t) {
if (params.isToonTexture === true) {
t.image = scope._getRotatedImage(t.image);
t.magFilter = NearestFilter;
t.minFilter = NearestFilter;
}
t.flipY = false;
t.wrapS = RepeatWrapping;
t.wrapT = RepeatWrapping;
for (let i = 0; i < texture.readyCallbacks.length; i++) {
texture.readyCallbacks[i](texture);
}
delete texture.readyCallbacks;
},
onProgress,
onError
);
texture.readyCallbacks = [];
textures[fullPath] = texture;
return texture;
}
_getRotatedImage(image) {
const canvas = document.createElement("canvas");
const context = canvas.getContext("2d");
const width = image.width;
const height = image.height;
canvas.width = width;
canvas.height = height;
context.clearRect(0, 0, width, height);
context.translate(width / 2, height / 2);
context.rotate(0.5 * Math.PI);
context.translate(-width / 2, -height / 2);
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(map, geometry, groupIndex) {
map.readyCallbacks.push(function(texture) {
function createImageData(image) {
const canvas = document.createElement("canvas");
canvas.width = image.width;
canvas.height = image.height;
const context = canvas.getContext("2d");
context.drawImage(image, 0, 0);
return context.getImageData(0, 0, canvas.width, canvas.height);
}
function detectImageTransparency(image, uvs, indices) {
const width = image.width;
const height = image.height;
const data = image.data;
const threshold = 253;
if (data.length / (width * height) !== 4)
return false;
for (let i = 0; i < indices.length; i += 3) {
const centerUV = { x: 0, y: 0 };
for (let j = 0; j < 3; j++) {
const index = indices[i * 3 + j];
const 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;
}
function getAlphaByUv(image, uv) {
const width = image.width;
const height = image.height;
let x = Math.round(uv.x * width) % width;
let y = Math.round(uv.y * height) % height;
if (x < 0)
x += width;
if (y < 0)
y += height;
const index = y * width + x;
return image.data[index * 4 + 3];
}
const imageData = texture.image.data !== void 0 ? texture.image : createImageData(texture.image);
const group = geometry.groups[groupIndex];
if (detectImageTransparency(
imageData,
geometry.attributes.uv.array,
geometry.index.array.slice(group.start, group.start + group.count)
)) {
map.transparent = true;
}
});
}
}
class AnimationBuilder {
/**
* @param {Object} vmd - parsed VMD data
* @param {SkinnedMesh} mesh - tracks will be fitting to mesh
* @return {AnimationClip}
*/
build(vmd, mesh) {
const tracks = this.buildSkeletalAnimation(vmd, mesh).tracks;
const tracks2 = this.buildMorphAnimation(vmd, mesh).tracks;
for (let i = 0, il = tracks2.length; i < il; i++) {
tracks.push(tracks2[i]);
}
return new AnimationClip("", -1, tracks);
}
/**
* @param {Object} vmd - parsed VMD data
* @param {SkinnedMesh} mesh - tracks will be fitting to mesh
* @return {AnimationClip}
*/
buildSkeletalAnimation(vmd, mesh) {
function pushInterpolation(array, interpolation, index) {
array.push(interpolation[index + 0] / 127);
array.push(interpolation[index + 8] / 127);
array.push(interpolation[index + 4] / 127);
array.push(interpolation[index + 12] / 127);
}
const tracks = [];
const motions = {};
const bones = mesh.skeleton.bones;
const boneNameDictionary = {};
for (let i = 0, il = bones.length; i < il; i++) {
boneNameDictionary[bones[i].name] = true;
}
for (let i = 0; i < vmd.metadata.motionCount; i++) {
const motion = vmd.motions[i];
const boneName = motion.boneName;
if (boneNameDictionary[boneName] === void 0)
continue;
motions[boneName] = motions[boneName] || [];
motions[boneName].push(motion);
}
for (const key in motions) {
const array = motions[key];
array.sort(function(a, b) {
return a.frameNum - b.frameNum;
});
const times = [];
const positions = [];
const rotations = [];
const pInterpolations = [];
const rInterpolations = [];
const basePosition = mesh.skeleton.getBoneByName(key).position.toArray();
for (let i = 0, il = array.length; i < il; i++) {
const time = array[i].frameNum / 30;
const position = array[i].position;
const rotation = array[i].rotation;
const interpolation = array[i].interpolation;
times.push(time);
for (let j = 0; j < 3; j++)
positions.push(basePosition[j] + position[j]);
for (let j = 0; j < 4; j++)
rotations.push(rotation[j]);
for (let j = 0; j < 3; j++)
pushInterpolation(pInterpolations, interpolation, j);
pushInterpolation(rInterpolations, interpolation, 3);
}
const targetName = ".bones[" + key + "]";
tracks.push(this._createTrack(targetName + ".position", VectorKeyframeTrack, times, positions, pInterpolations));
tracks.push(
this._createTrack(targetName + ".quaternion", QuaternionKeyframeTrack, times, rotations, rInterpolations)
);
}
return new AnimationClip("", -1, tracks);
}
/**
* @param {Object} vmd - parsed VMD data
* @param {SkinnedMesh} mesh - tracks will be fitting to mesh
* @return {AnimationClip}
*/
buildMorphAnimation(vmd, mesh) {
const tracks = [];
const morphs = {};
const morphTargetDictionary = mesh.morphTargetDictionary;
for (let i = 0; i < vmd.metadata.morphCount; i++) {
const morph = vmd.morphs[i];
const morphName = morph.morphName;
if (morphTargetDictionary[morphName] === void 0)
continue;
morphs[morphName] = morphs[morphName] || [];
morphs[morphName].push(morph);
}
for (const key in morphs) {
const array = morphs[key];
array.sort(function(a, b) {
return a.frameNum - b.frameNum;
});
const times = [];
const values = [];
for (let i = 0, il = array.length; i < il; i++) {
times.push(array[i].frameNum / 30);
values.push(array[i].weight);
}
tracks.push(new NumberKeyframeTrack(".morphTargetInfluences[" + morphTargetDictionary[key] + "]", times, values));
}
return new AnimationClip("", -1, tracks);
}
/**
* @param {Object} vmd - parsed VMD data
* @return {AnimationClip}
*/
buildCameraAnimation(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);
array.push(interpolation[index * 4 + 1] / 127);
array.push(interpolation[index * 4 + 2] / 127);
array.push(interpolation[index * 4 + 3] / 127);
}
const cameras = vmd.cameras === void 0 ? [] : vmd.cameras.slice();
cameras.sort(function(a, b) {
return a.frameNum - b.frameNum;
});
const times = [];
const centers = [];
const quaternions = [];
const positions = [];
const fovs = [];
const cInterpolations = [];
const qInterpolations = [];
const pInterpolations = [];
const fInterpolations = [];
const quaternion = new Quaternion();
const euler = new Euler();
const position = new Vector3();
const center = new Vector3();
for (let i = 0, il = cameras.length; i < il; i++) {
const motion = cameras[i];
const time = motion.frameNum / 30;
const pos = motion.position;
const rot = motion.rotation;
const distance = motion.distance;
const fov = motion.fov;
const 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 (let j = 0; j < 3; j++) {
pushInterpolation(cInterpolations, interpolation, j);
}
pushInterpolation(qInterpolations, interpolation, 3);
for (let j = 0; j < 3; j++) {
pushInterpolation(pInterpolations, interpolation, 4);
}
pushInterpolation(fInterpolations, interpolation, 5);
}
const tracks = [];
tracks.push(this._createTrack("target.position", VectorKeyframeTrack, times, centers, cInterpolations));
tracks.push(this._createTrack(".quaternion", QuaternionKeyframeTrack, times, quaternions, qInterpolations));
tracks.push(this._createTrack(".position", VectorKeyframeTrack, times, positions, pInterpolations));
tracks.push(this._createTrack(".fov", NumberKeyframeTrack, times, fovs, fInterpolations));
return new AnimationClip("", -1, tracks);
}
// private method
_createTrack(node, typedKeyframeTrack, times, values, interpolations) {
if (times.length > 2) {
times = times.slice();
values = values.slice();
interpolations = interpolations.slice();
const stride = values.length / times.length;
const interpolateStride = interpolations.length / times.length;
let index = 1;
for (let aheadIndex = 2, endIndex = times.length; aheadIndex < endIndex; aheadIndex++) {
for (let 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 (let i = 0; i < stride; i++) {
values[index * stride + i] = values[aheadIndex * stride + i];
}
for (let 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;
}
const 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;
}
}
class CubicBezierInterpolation extends Interpolant {
constructor(parameterPositions, sampleValues, sampleSize, resultBuffer, params) {
super(parameterPositions, sampleValues, sampleSize, resultBuffer);
this.interpolationParams = params;
}
interpolate_(i1, t0, t, t1) {
const result = this.resultBuffer;
const values = this.sampleValues;
const stride = this.valueSize;
const params = this.interpolationParams;
const offset1 = i1 * stride;
const offset0 = offset1 - stride;
const weight1 = t1 - t0 < 1 / 30 * 1.5 ? 0 : (t - t0) / (t1 - t0);
if (stride === 4) {
const x1 = params[i1 * 4 + 0];
const x2 = params[i1 * 4 + 1];
const y1 = params[i1 * 4 + 2];
const y2 = params[i1 * 4 + 3];
const ratio = this._calculate(x1, x2, y1, y2, weight1);
Quaternion.slerpFlat(result, 0, values, offset0, values, offset1, ratio);
} else if (stride === 3) {
for (let i = 0; i !== stride; ++i) {
const x1 = params[i1 * 12 + i * 4 + 0];
const x2 = params[i1 * 12 + i * 4 + 1];
const y1 = params[i1 * 12 + i * 4 + 2];
const y2 = params[i1 * 12 + i * 4 + 3];
const ratio = this._calculate(x1, x2, y1, y2, weight1);
result[i] = values[offset0 + i] * (1 - ratio) + values[offset1 + i] * ratio;
}
} else {
const x1 = params[i1 * 4 + 0];
const x2 = params[i1 * 4 + 1];
const y1 = params[i1 * 4 + 2];
const y2 = params[i1 * 4 + 3];
const ratio = this._calculate(x1, x2, y1, y2, weight1);
result[0] = values[offset0] * (1 - ratio) + values[offset1] * ratio;
}
return result;
}
_calculate(x1, x2, y1, y2, x) {
let c = 0.5;
let t = c;
let s = 1 - t;
const loop = 15;
const eps = 1e-5;
const math = Math;
let sst3, stt3, ttt;
for (let i = 0; i < loop; i++) {
sst3 = 3 * s * s * t;
stt3 = 3 * s * t * t;
ttt = t * t * t;
const ft = sst3 * x1 + stt3 * x2 + ttt - x;
if (math.abs(ft) < eps)
break;
c /= 2;
t += ft < 0 ? c : -c;
s = 1 - t;
}
return sst3 * y1 + stt3 * y2 + ttt;
}
}
export {
MMDLoader
};
//# sourceMappingURL=MMDLoader.js.map