A Spring constraint simulates an elastic cord. You can use a Spring constraint to create effects such as a man bungee-jumping off a building. You can create a spring constraint between:
If you turn on Interpenetrate, playback of rigid body animation is faster.
If you don’t turn on Set Initial Position when you constrain a single rigid body to a position, the Spring is created at the rigid body’s center of mass.
If you create a Spring constraint for two rigid bodies, the constraint will extend from one center of mass to the other. The Set Initial Position option is invalid for Spring constraints between two rigid bodies.
Though a passive rigid body has a center of mass that Maya uses for default positioning of Spring constraints, Maya doesn’t use the center of mass in dynamic calculations of passive rigid bodies.
To alter the constraint after creation, see Edit constraints.
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