3DS MAX – Micro Reference Manual – Animation – Constraints – Path
Use the Path constraint to restrict an object’s movement along a spline or at an averaged distance among multiple splines.
It can drive:
– position
GENERAL
1. Create a Sphere
2. Create a Spline
3. Select the Sphere> MAIN TOP MENU> Animation> Constraints> Path Constraint
4. You will see in the viewport a rubber band> click over the Spline> the Sphere now can move only along a spline
5. RIGHT COLUMN> Motion> Path Constraint> edit the parameters
