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In This Chapter

In the last chapter, you learned how to transform objects in the scene to make animations using the AutoCAD Key button. Manually generating the animation keys using the Auto Key function is a great way to create simple animations that require limited adjustments. But sometimes Auto Key doesn't give you the amount of control you need for more complex animations. In these cases, 3ds max 7 has animation controllers and constraints that use mathematical parameters, such as the Noise controller, which generates random animation to simulate vibrating objects, or the Path constraint, which uses 2D shapes to calculate trajectories like that of a roller coaster.

Controllers and constraints are the essence of complex animation in 3ds max 7. All objects have animation controllers assigned by default, which can be substituted for many other controllers or constraints that offer much more explicit control of how an object is animated.


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