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| Hello I'm trying to figure out an expression to control the brightness of a rotating light. My light is turning on itself, on the Y axis. Everytime it passes 90 degrees, rotating away from the camera, I'd like to reduce its intensity, and then bring it back when it is starting to enter the quadrant in which it will face the camera. If the camera was just rotating once, I'd use a linear expression that mapped 180 to 270 degrees and faded the light in between those two values, but it is constantly looping… I thought I might be able to use Radians, but they, obviously, keep increasing with the degrees… Any suggestions? Thanks! Alex |
