裁剪
    
    
    
    
    
    
        
| Name | Type | Description | 
|---|---|---|
| ys | YouScene | YouScene实例 | 
| i3d | I3d | 3d对象 | 
| points | Array.<XYZ> | 裁剪多边形区域 | 
- Implements:
Example:
var moedelCutShader = new MoedelCutShader(ys, loaScene, points);
moedelCutShader.init();Methods
- 
    
    初始化裁剪- Implements:
 
- 
    
    更新裁剪范围Name Type Description pointsArray.<XYZ> 裁剪多边形区域 - Implements:
 
