There is undoubtably an easier way but I would run an atan2 to find the angle of the red line. A math.sqrt (x*x,y*Y) for the length of the red line then use sin/cos to move the length of the red line in the direction of the red line + 20 degrees.
The greatest pleasure in life is doing what people say you cannot do.
- Walter Bagehot The height of cleverness is to be able to conceal it.
- Francois de La Rochefoucauld
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