cgas/src/render/component/transfrom.ts

Xtor Compute Geometry Algorithm Libary 计算几何算法库

import { Component } from "./component"; 
import { Vec3 } from "../../math/Vec3";
import { Euler } from "../../math/Euler";
import { Quat } from "@/math/Quat";
import { Mat4 } from "@/math/Mat4";

export class TransfromComponent extends Component {
    private _position:Vec3 = new Vec3();
    private _scale:Euler = new Euler();
    private _rotation:Vec3 = new Vec3();
    private _quat:Quat = new Quat();
    private _matrix:Mat4 =new Mat4();
    private _matrixWorld:Mat4 =new Mat4();
    constructor() {
        super();

    }
    


    updateMatrix(){
        this._matrix.compose(this._position,this._quat,this._scale);
    }

    updateMatrixWorld(parent:TransfromComponent){
        this._matrixWorld.copy(this._matrix).premultiply(parent._matrixWorld);
    }
}