Function max

libs/echarts/echarts.simple.js:1144–1148

* 求两个向量最大值 * @param {Vector2} out * @param {Vector2} v1 * @param {Vector2} v2

(out, v1, v2)

 * @param  {Vector2} v2
 */
function max(out, v1, v2) {
    out[0] = Math.max(v1[0], v2[0]);
    out[1] = Math.max(v1[1], v2[1]);
    return out;
}

// TODO Draggable for group
// FIXME Draggable on element which has parent rotation or scale