Actually, the question is how to find the coordinates of a point on a circle knowing the radius and angle?

  • one
    Surprisingly, I spent about 40 minutes on Google before going here - Fangog

1 answer 1

The problem is reduced to finding the sides of a right triangle with a known hypotenuse (radius) and all angles (one angle is true enough).

Coordinates are defined as:

  • x = R * cos (A)
  • y = R * sin (A)

It remains to choose the correct coordinate system (more precisely, the conversion from Cartesian to screen).