裁剪shader单个区域类
    
    
    
    
    
    
        
| Name | Type | Description | 
|---|---|---|
| points | Array.<XYZ> | 区域的坐标点数组 | 
 CutPolygon
        CutPolygon
        
    | Name | Type | Description | 
|---|---|---|
| points | Array.<XYZ> | 区域的坐标点数组 |