docs: public static float Angle(float x, float y) {
          if (y >= 0) {
              if (x >= 0)
                  return (float) Math.atan(y / x);
              return (float) (Math.PI - Math.atan(-y / x));
          } else {
              if (x >= 0)
                  return (float) (2 * Math.PI - Math.atan(-y / x));
              return (float) (Math.PI + Math.atan(y / x));
          }
      }