playcanvas/build/playcanvas/src/scene/batching/skin-batch-instance.js

PlayCanvas WebGL game engine

import { SkinInstance } from '../skin-instance.js';

class SkinBatchInstance extends SkinInstance {
		constructor(device, nodes, rootNode){
				super();
				const numBones = nodes.length;
				this.init(device, numBones);
				this.device = device;
				this.rootNode = rootNode;
				this.bones = nodes;
		}
		updateMatrices(rootNode, skinUpdateIndex) {}
		updateMatrixPalette(rootNode, skinUpdateIndex) {
				const mp = this.matrixPalette;
				const count = this.bones.length;
				for(let i = 0; i < count; i++){
						const pe = this.bones[i].getWorldTransform().data;
						const base = i * 12;
						mp[base] = pe[0];
						mp[base + 1] = pe[4];
						mp[base + 2] = pe[8];
						mp[base + 3] = pe[12];
						mp[base + 4] = pe[1];
						mp[base + 5] = pe[5];
						mp[base + 6] = pe[9];
						mp[base + 7] = pe[13];
						mp[base + 8] = pe[2];
						mp[base + 9] = pe[6];
						mp[base + 10] = pe[10];
						mp[base + 11] = pe[14];
				}
				this.uploadBones(this.device);
		}
}

export { SkinBatchInstance };