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Expression linked angles?
I have an AE project that requires an expression using math I don’t know. I’ll simplify the situation for explanation: I have an object (say a small solid) that I want to place on the imaginary line between a 3D camera’s position and it’s point of interest. While the camera changes its angle and distance to the anchor point, I want the object to match the change in angle (ie stay on that imaginary line), while remaining a fixed distance from the anchor point. Can anyone help me set up an expression to do this? I would really appreciate it.
(In theory, I could link both the camera and the object to a null and rotate the null while animating the camera’s z distance, thereby maintaining the objects distance while animating the camera, however that makes it very difficult to put the camera where I want it. I really need this to be driven by an expression.)
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1 Reply
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I’d ask over at the Expression Forum, Dan and Filip are very good.
https://forums.creativecow.net/viewforum/227
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