CGTalk - Average RGB value

Gpin

11-10-2002, 09:41 PM

I would like, using expressions, to return one value from an RGB value. I guess i need to average the three values.
It's for a particle system, so I simply need my colors to control the velocity of my particles, but right now my color ramp is obviously returning 3 values. I need the average !!

Thanks.

Gpin

11-10-2002, 10:04 PM

As far as I understand, RGB is a vector value.
So, I simply need the syntax to change a vector value to a float value.

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