Beyond the lesson

 
 
 

In this lesson you learned how to:

For a particle object, you typically create two expressions—a creation expression that initializes an attribute value in the first frame, and a runtime expression that controls the attribute value in subsequent frames. (Creation and runtime expressions exist only for particle objects, not for other types of objects.)

This lesson described how to color stationary particles as a simple way to describe creation and runtime expressions. However, it’s more typical to use particle expressions to:

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