Influencing the behavior of existing particles (Pro only)

After you create particles by using the Cannon, Grid, Layer Exploder, or Particle Exploder, you can influence the physical behavior of those particles in the following ways:

• Gravity pulls objects in a specific direction. Apply in a vertical direction to create falling particles such as rain or snow, or rising particles such as champagne bubbles. Apply in a horizontal direction to simulate wind.
• Repel prevents collisions between particles. Use Repel to push particles apart, such as after applying the Layer Exploder. To make particles attract, type a negative value.
• Wall contains particles within an area. Use Wall for ping-pong effects.

Particle behavior works in conjunction with other Particle Playground controls. For example, if you set a Cannon particle velocity that fires particles across the frame and out the opposite side, you can increase the force of the Gravity control until it pulls those particles down before they exit the frame.