plane

 Function Name  Parameter  Return  Explain
 getNormal None vec  
 setNormal vec None  
 getDistance None number    
 setDistance number   None  
 distanceToPoint vec number    
 intersectRay ray vec (or None)  
 intersectSegment segment vec (or None)  
 flip None None  
 fast_transform matrix None does not support non-uniform scaling matrix
 transform matrix None supports all matrix
 Lib Function  Parameter  Return  Explain
 new None plane   by default, Normal is (0,1,0) and Distance is 0