109 lines
2.5 KiB
JavaScript
109 lines
2.5 KiB
JavaScript
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kepler.skeleton(){
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this.root;
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this.bones = [];
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this.name;
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this.rootTransformation;
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this.delta = 0;
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this.currentAnimationMatrix;
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}
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kepler.skeleton.prototype.parse( boneInfo, rootNode ) {
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var bone = kepler.createObject("bone");
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this.rootTransformation = kepler.matrix4.fromArray( rootNode.transformation );
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bone.isRoot = true;
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bone.transformation = kepler.matrix4.fromArray( boneInfo.transformation );
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bone.globalTransformation = bone.transformation;
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this.bones.push(bone);
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this.root = bone;
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for(var c = 0; c < boneInfo.children.length; c++) {
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this.parseChild(bone, boneInfo.children[c]);
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}
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}
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kepler.skeleton.prototype.parseChild( parentBone, childBoneInfo ) {
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var bone = kepler.createObject("bone");
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bone.parent = parentBone;
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bone.transformation = kepler.matrix4.fromArray( childBoneInfo.transformation );
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bone.name = childBoneInfo.name;
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bone.globalTransformation = kepler.matrix4.mul( bone.transformation, parentBone.globalTransformation );
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this.bones.push(bone);
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parentBone.addChild(bone);
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//parse Children
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if(childBoneInfo.children)
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for(var c = 0; c < childBoneInfo.children.length; c++) {
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this.parseChild(bone, childBoneInfo.children[c]);
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}
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}
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kepler.skeleton.prototype.getBoneByName( name ) {
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var bones = this.bones;
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for(var c = 0; c < bones.length; c++) {
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var bone = bones[c];
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if(bone.name == name)
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return bone;
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}
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}
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kepler.skeleton.prototype.parseAnimation( channels ) {
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for(var c = 0; c < channels.length; c++) {
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var channel = channels[c];
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var name = channel.name;
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var bone = this.getBoneByName(name);
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if(bone) {
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bone.positionkeys = channel.positionkeys;
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bone.rotationkeys = channel.rotationkeys;
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}
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}
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}
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kepler.skeleton.prototype.animate( bone, id ) {
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bone.currentAnimationMatrix = kepler.matrix4.identity();
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if(bone.positionkeys) {
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if(bone.positionkeys[id]) {
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var currentTranslation = bone.positionkeys[id][1];
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bone.currentAnimationMatrix = kepler.matrix4.setTranslation(bone.currentAnimationMatrix, currentTranslation);
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}
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if(bone.rotationkeys[id]) {
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var currentRotation = bone.rotationkeys[id][1];
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bone.currentAnimationMatrix = kepler.matrix4.rotateZYX(bone.currentAnimationMatrix, currentRotation);
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}
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//console.log(bone.currentAnimationMatrix);
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if(bone.parent)
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bone.globalTransformation = kepler.matrix4.mul( bone.currentAnimationMatrix, bone.parent.globalTransformation );
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//else
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// bone.globalTransformation = kepler.matrix4.identity();
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}
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return bone;
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}
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