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Lesson 5. Particles and Parameter Behaviors > Refining the Particle System

Refining the Particle System

Once a basic particle system is set up, there are many ways to customize the look and behavior of the particles.

1.
In the Layers tab (F5), make sure that Emitter is selected.

2.
Press F4 to open the Emitter tab of the Inspector.

When you first see the Emitter tab, you might feel a little intimidated. Don't panic—once we start working with it, all the parameters will make sense.

NOTE

When a particle system has only one particle cell (as in our example), Motion conveniently combines the parameters for the emitter and the particle cell into the Emitter tab of the Inspector. If you were to add more particle cells, you would see only a few master controls specific to the emitter; the rest of the controls would then be found in the Inspector for each particle cell object.

The first thing we want to do is make sure that older butterflies are drawn on top of newer ones to give the appearance that the butterflies are coming toward the camera.

3.
Toward the top of the Emitter tab of the Inspector, go to the Render Order pop-up menu and choose Oldest Last.

The older particles are now rendered after all the other particles and therefore appear in front.


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