Houdini＞ rigid body , Rigid body crushing RBD

1、 establish RBD Materialfracture. node .

2、 Check... In the node （chipping>>Enable Chipping） Options , And adjust the crushing parameters .

Set the crushing tightness ,10000 Will try to be a whole , and 1 It will break when touched .

3、 Add arithmetic brain . And set , Collision object , You can choose the mountain , You can also select a plane to solve the collision .

4、 Push to the outermost layer , add to RBD Glued Object Components . After successful addition ,Cube Some nodes will be generated in the object .

5、 At this time, if the output is VAT Words , You need to enter Box Add two nodes to , One is UV quickshade1, One is Null Two nodes .

（1） representative ：UV add to , If the model is imported externally , Add this to export directly , He'll be based on the previous UV Inheritance .

（2） representative ：Null Output , by VAT Grab and prepare .

（3） representative ： This node can control the link strength of each broken object .