/**
 * 合并
 * @param rowPoints
 * @param colPoints
 */
export  function mergePointArray(rowPoints, colPoints){
    rowPoints : [cc.Vec2];
    colPoints : [cc.Vec2];
    let result = rowPoints.concat();
    colPoints = colPoints.filter(function (colEle) {
        let repeat = false;
        result.forEach(function (rowEle) {
            if(colEle.equals(rowEle)){
                repeat = true
            }
        }, this);
        return !repeat;
    }, this);
    result.push(...colPoints);
    return result;
}

/**
 * 减法
 * @param points
 * @param exclusivePoint
 */
export function exclusivePoint(points, exclusivePoint){
    points:[cc.Vec2]
    let result = new Array();
    for(let point of points){
        if(!point.equals(exclusivePoint)){
            result.push(point);
        }
    }
    return result;
}