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BeginnerArtistProgrammer Particle spawners control when, how many, and how quickly particles are emitted. Emitters need at least one spawner, but can contain multiple spawners with different settings.
Per second
Emits a fixed number of particles per second. It balances and interpolates them and is stable even if the framerate changes or drops. For example, at a rate of 20 particles per second, the spawner spawns one particle every three frames for 60fps games and two particles for every three frames (skipping every third frame) for 30fps games.
Per frame
Emits a fixed number of particles per frame, regardless of framerate. This can be useful if you require a fixed number of particles - for example, exactly one every frame, which is useful for trails and ribbons.
Burst
Emits all particles in one burst.
Distance
Emits particles based on the distance traveled by the emitter. If the emitter doesn’t move, it spawns no particles.
From parent
Emits particles based on other particles (parents). When certain conditions in a parent particle are met, the spawner spawns particles.
