flickering light
ok basically i want to immitate a flickering light for a fire
i have the fire all done and crap, i wanna make the shadows flicker, so i set up a point light with linear decay rate... basically i want to know how to animate a flickering motion that will endlessly repeat on the point light, and i want to be able to copy it other places in the maya file help would rock my world, thanks guys |
Add a "rand" expression to the intensity value of your light:
Example 1: rand(5) This returns a random floating point number between 0 and 5, for example, 3.539. Example 2: rand(-1,1) Returns a random floating point number between -1 and 1, for example, 0.452. Example 2 would be better for your situation, as you can define a MIN and MAX intensity value for your light:) So if you don't want it to go below an intensity value of 1, but also go NO higher than say, 4, you would use this rand expression: rand(1,4) Also, a messier and slightly less controllable way to add a random value to something is to map a ramp to an attribute, kill all ramp colors except for one, then map a fractal texture to that color. But personally I would use example 2 from above:) Good luck! |
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