Additive particle color

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HI
how can i have additive particle color when rendering particles?
* i'm new in houdini …

thanks
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Hamedalto
HI
how can i have additive particle color when rendering particles?
* i'm new in houdini …

thanks

Use a constant shader, then put a constant value of 0 in the output opacity global variable (Of).
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i did …. worked fine … thank you …
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To clarify:

1. Put 0,0,0 in the opacity
2. Go into the shader and connect the color (multiply1 on a constant material) directly to Ce, skipping the premultColors node
3. Turn your color down a lot, like .1,0,0 for nice additive red

Also worth noting that it won't render properly in Micropolygon mode.
Grant Miller
VFX Supervisor
Ingenuity Studios
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