vislite/src/Matrix4/scale.ts

灵活、快速、简单的数据可视化交互式跨端前端库

/**
 * 围绕圆心x、y和z分别缩放xTimes, yTimes和zTimes倍
 */
export default function (xTimes: number, yTimes: number, zTimes: number, cx: number = 0, cy: number = 0, cz: number = 0) {
    return [
        xTimes, 0, 0, 0,
        0, yTimes, 0, 0,
        0, 0, zTimes, 0,
        cx - cx * xTimes, cy - cy * yTimes, cz - cz * zTimes, 1
    ]
}