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xparticles emitter particle


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Is there any difference when selecting emit from polygon area or emit from polygons. I mean... isn't emitting from all polygons the same as emitting from polygon area? The only difference that I can imagine happens is that on the line that connects two polygons - no particles will be released... so maybe if your getting a blocky appearance when the particles emit using the emit from polygons selection then you can try polygon area? Any thoughts?

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It appears the difference is how whether or not the polygons are weighted. So if you use Polygons, the random distribution allows smaller polygons to have just as good a chance to emit particles as large polygons. Whereas using Polygon Area, the smaller polygons have less chance of being used to emit particles. 

 

Emit from (from the documentation)

  • Polygons: particles are emitted from a random position on the polygon faces. However, unlike 'Polygon Centre' and 'Polygon Area' the polygons are not weighted by size. This results in a true random distribution across all the polygons so that very small polygons receive as many particles as very large ones.
  • Polygon Area: particles are emitted from a random position on the polygon faces. As with 'Polygon Centre', the polygons are weighted by size.
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