The PhysXWorld Interface is exposed by the mP_Worldhelper Helper which is part of the MassFX-driven mParticles operators in Particle Flow.
Available in 3ds Max 2014 and higher.
<bool>addCollisionGroupExclusionPair <integer>collisionGroupIndex1 <integer>collisionGroupIndex2
Excludes the pair of collision groups specified by index using the two arguments from collisions.
Returns True in success, False on failure.
<bool>removeCollisionGroupExclusionPair <integer>collisionGroupIndex1 <integer>collisionGroupIndex2
Removes the pair of collision groups specified by index using the two arguments from the collision exclusions list.
Returns True in success, False on failure.
<bool>hasCollisionGroupExclusionPair <integer>collisionGroupIndex1 <integer>collisionGroupIndex2
Returns True if the collision groups pair specified by the two index arguments is on the collision exclusion list, False otherwise.
<bool>BakeSimulation()
Returns True on success, False on failure.
<void>RemoveBakedSimulation()
<void>createNewDriver()
Creates a new Simulation Driver.