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OpenTS Manual

SpawnSparkPercentage

The chance that a spark system throws a burst on any one frame.

Specification
Applies to
ParticleSystemType
File
rules.ini
Section
[<ObjectType ID>]
Value
floating point
When omitted
0.0

A Spark system rolls against this chance on each frame it has SparkSpawnFrames left, and throws a burst when the roll succeeds. .4 throws on about two frames in five, which makes the shower stutter, and 1 or above throws on every frame. The last of the SparkSpawnFrames always throws a burst, whatever the roll. ParticleCap sets the size of each burst. Only the Spark behavior reads it.

The value is a fraction, not a percentage: 40 throws on every frame. Write .4, or 40%, since a percent sign divides the number by 100.

rules.ini
[MySparkSys] ; a ParticleSystemType registered in [ParticleSystems]
BehavesLike=Spark
HoldsWhat=MySpark ; a ParticleType registered in [Particles]
ParticleCap=12
SparkSpawnFrames=20
SpawnSparkPercentage=.4 ; roughly two frames in five throw
See also — BehavesLike, SparkSpawnFrames, ParticleCap