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Chapter 9. Animation with Motion Tweening > Orienting Graphics to a Motion Path

Orienting Graphics to a Motion Path

Imagine a waiter carrying a full tray through a crowded room, raising and lowering the tray to avoid various obstacles but always keeping the tray level so as not to spill anything. That’s how the animation you created in the preceding exercise works. Flash moved the circle in each in-between frame to snap its center point to the motion guide, but it did not rotate the circle at all.

With a circle, that procedure results in a nat-ural-looking motion, but with other objects, the result is very unnatural. Imagine animating a lizard following a path: If the lizard graphic snaps to different spots along the motion path, never changing the way that it’s oriented in space, the lizard appears to be in the grip of some invisible force, not moving forward of its own volition.


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