About

Particle refers to a graphics technique that uses a large number of very small sprites or other graphic objects to simulate certain kinds of "fuzzy" structures like fire, explosions, etc.

The term particle system refers to a computer graphics technique that uses a large number of very small sprites or other graphic objects to simulate certain kinds of "fuzzy" phenomena, which are otherwise very hard to reproduce with conventional rendering techniques - usually highly chaotic systems, natural phenomena, and/or processes caused by chemical reactions.

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