3DS MAX – Micro Reference Manual – Animation – Constraints – Link
The Link constraint causes an object to inherit the position, rotation, and scale of its target object. In effect, it allows you to animate a hierarchical relationship, so that the motion of an object to which the Link constraint is applied can be controlled by different objects in the scene throughout an animation.
It can drive:
– position
– rotation
– scale
GENERAL
1. Create Box1, animate from left to right
2. Create Box2, animate from right to left
3. Create Sphere
4. Select the Sphere> MAIN TOP MENU> Animation> Constraints> Link
5. You will see in the viewport a rubber band> click over the Box1, in the animation the Sphere will follow Box1
6. Move the time over frame 50
7. Select the Sphere> RIGHT COLUMN> Motion> Link Params> ‘Add Link’ button> pick in the viewport Box 002, in the animation the Sphere will follow Box2 after frame 50
