Constraints and Physical Properties in MotionbuilderConstraints are a convenient way to propogate movement throughout the scene to create reaction and complexity in scenic elements and help building a rig for puppeteering a model. Constraints work in realtime and can also help to plot motion from a recorded prop onto a virtual model or skeleton.Position and Rotation Constraints Three Point Constraint Aim Constraint Parent/Child Constraint: Digital Tutors: Introduction to Motionbuilder 2013 - Lessons 23(Parent/Child Constraint) Multireferential Constraint: Multi Referential Constraint video by Logiciel Lumiere (starting ab 29:00) Skeleton Root, Skeleton node and Chain IK Constraint Physical Properties Additional References: Relation Constraint from Buzz3d Expressions from Buzz3d Constraints for a character from Buzz 3d Examples are also available in
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