Emission module
The properties in this module affect the rate and timing of Particle System emissions.
Properties
| Property | Function |
|---|---|
| Rate over Time | The number of particles emitted per unit of time. |
| Rate over Distance | The number of particles emitted per unit of distance moved. |
| Bursts | A burst is an event which spawns particles. These settings allow particles to be emitted at specified times. |
| Time | Set the time (in seconds, after the Particle System begins playing) at which to emit the burst. |
| Min | Set a value for the minimum number of particles that may be emitted. |
| Max | Set a value for the maximum number of particles that may be emitted. |
| Cycles | Set a value for how many times to play the burst. |
| Interval | Set a value for the time (in seconds) between when each cycle of the burst is triggered. |
Details
The rate of emission can be constant or can vary over the lifetime of the system according to a curve. If Rate over Distance mode is active, a certain number of particles are released per unit of distance moved by the parent object. This is very useful for simulating particles that are actually created by the motion of the object (for example, dust from a car’s wheels on a dirt track).
If Rate over Time is active, then the desired number of particles are emitted each second regardless of how the parent object moves. Additionally, you can add bursts of extra particles that appear at specific times (for example, a steam train chimney that produces puffs of smoke).
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