⭐️⭐️⭐️⭐️⭐️ PA Particle Field – Published By Popup Asylum

Webplayer Demo | Animated Documentation |

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Webplayer Demo | Animated Documentation | Webplayer Demo | Animated Documentation | Forum



PA Particle Field is a GPU Based alternative particle system, built from scratch specifically designed for looping ambient effects (though it can do so much more).

Built to reduce drawcalls, fillrate and CPU overhead (especially on mobile devices and VR), each field supports up to 16250 particles with just 1 drawcall and can be fully customized.



Features:

New Turbulence modes

Mesh Particles

WorldSpace and LocalSpace simulation

Streched billboards

Custom facing direction

Multiple sprites in a single field (using a spritesheet)

Spritesheet animation

Per particle color

Custom shader support with helpful macros



Also Exclusion Zones allow you to exclude particles from areas and assign priority between them, useful for bus shelters in the rain etc. Each field can handle 3 Exclusion Zones at once and are assigned and handled automatically.




The package comes with 7 demo scenes:

Snow, Caustics, Rain, Stardust, Bokeh, Clouds, Meshes, Animated Meshes, Fish plus a custom vertex program demo and a comparison scene showing PA Particle Field handling 195000 particles with ease.



PA Particle Field manages its efficiency by getting rid of particle birth and death. Instead it recycles particles using a bounding box, when a particle reaches the edge of the box it reappears on the opposite side.



When simulating in worldspace (the default mode) the field can be moved without moving the particles it controls, giving the effect of simply revealing the particles at the new position, creating the illusion of an infinite particle field.

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