How can I unwind an angle to result in an angle in [0, 360)?
I can do this:
int unwind(int angle)
{
while(angle < 0) angle += 360;
while(angle >= 360) angle -= 360;
}
But I'm pretty sure there is a way to do this without loops. I also tried angle % 360
but that doesn't work for negative angles ( -60 % 360 == -60
).
Try:
(360 + (angle % 360)) % 360
or:
(angle >= 0 ? 0 : 360) + angle % 360
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