Spawner class Particles

Decides how many particles to emit on each simulation step from a steady rate plus any bursts.

The rate is accumulated fractionally across steps (so a rate that emits less than one particle per step still emits on the right cadence rather than truncating to zero), and bursts fire when their scheduled time falls in the step's half-open time window.

Constructors

Spawner({double rate = 0.0, List<ParticleBurst> bursts = const []})
Creates a spawner emitting rate particles per second plus bursts.

Properties

bursts → List<ParticleBurst>
Scheduled bursts, fired by system time.
final
hashCode → int
The hash code for this object.
no setterinherited
rate ↔ double
Steady emission rate in particles per second.
getter/setter pair
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

emit(double dt, double time) → int
Returns the number of particles to emit over a step of length dt that starts at system time time.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
reset() → void
Clears the fractional rate accumulator (used when restarting a system).
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited