Enumeration members
b2_particleGroupCanBeEmpty
b2_particleGroupCanBeEmpty: = 1 << 2
b2_particleGroupInternalMask
b2_particleGroupInternalMask: = b2_particleGroupWillBeDestroyed | b2_particleGroupNeedsUpdateDepth
b2_particleGroupNeedsUpdateDepth
b2_particleGroupNeedsUpdateDepth: = 1 << 4
b2_particleGroupWillBeDestroyed
b2_particleGroupWillBeDestroyed: = 1 << 3
b2_rigidParticleGroup
b2_rigidParticleGroup: = 1 << 1
b2_solidParticleGroup
b2_solidParticleGroup: = 1 << 0