When working with particles, there is usually an object called a particle emitter or particle generator that, from its location, continuously spawns new particles that decay over time. However, when you put together hundreds or even thousands of these particles together you can create amazing effects. ![]() A particle by itself is effectively just a sprite as we've been using extensively so far. A particle, as seen from OpenGL's perspective, is a tiny 2D quad that is always facing the camera (billboarding) and (usually) contains a texture with large parts of the sprite being transparent.
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