public static Arc GetArc(float radius, int sides, float startingAngle, float radians)
{
Arc points = new Arc();
points.AddRange(GetCircle(radius, sides));
points.RemoveAt(points.Count - 1);
double curAngle = 0.0;
double anglePerSide = MathHelper.TwoPi / sides;
while ((curAngle + (anglePerSide / 2.0)) < startingAngle)
{
curAngle += anglePerSide;
points.Add(points[0]);
points.RemoveAt(0);
}
points.Add(points[0]);
int sidesInArc = (int)((radians / anglePerSide) + 0.5);
points.RemoveRange(sidesInArc + 1, points.Count - sidesInArc - 1);
return(points);
}
