A function I didn't realize was missing until I found out how amazingly awesome it is is atan2(). Any chance it could be added for the next build?
I wrote atan2 as a formula in an event, only to later realize there is an angle compare expression that does the same job I wanted done.
Is that what you're trying to do? measure of the arc between two angles?
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The angle() expression which measures the angle between two points uses atan2. I'm not aware of any other uses for atan2.
If you pass 0 as one of the two positions the result is exactly equal to atan2, ie. angle(0, 0, x,y) is equal to atan2(y, x).
I didn't even think of doing that with the angle() expression. I'm using the function to get the angular speed of an object based on it's separate X and Y speeds.