Method scale

src/common/overlay/levelRenderer/Matrix.js:143–153

* @function LevelRenderer.Tool.Matrix.prototype.scale * @description 缩放变换。 * @param {(Float32Array|Array. )} out - 单位矩阵。 * @param {(Float32Array|Array. )} a - 矩阵。 * @param {(Float32Array|Array. )} v - 缩放参数。 * @returns {(Float32Array|Array. )} 结果矩阵

(out, a, v)

     * @returns {(Float32Array|Array.<number>)} 结果矩阵。
     */
    scale(out, a, v) {
        var vx = v[0];
        var vy = v[1];
        out[0] = a[0] * vx;
        out[1] = a[1] * vy;
        out[2] = a[2] * vx;
        out[3] = a[3] * vy;
        out[4] = a[4] * vx;
        out[5] = a[5] * vy;
        return out;
    }

    /**
     * @function LevelRenderer.Tool.Matrix.prototype.invert