Reference Cinema 4D Cinema 4D Visualize, Broadcast, Studio Hair Hair Nodes
Function available in CINEMA 4D Studio

Hair Intersection

Basic Node Parameter

Hair Intersection

This Node is similar to the Hair Collision Node, except that velocity vectors, not geometry, will be checked for collision with guides or hair. All moving objects, including Thinking Particles particles, can be checked with regard to intersection, using a spherical area of detection defined in this Node.