/// <summary>
/// Returns the center of the circumcircle defined by three points (c0,
/// c1 and c2) on its edge.
/// </summary>
public static Vector2 CircumcircleCenter(Vector2 c0, Vector2 c1, Vector2 c2)
{
var mp0 = 0.5f * (c0 + c1);
var mp1 = 0.5f * (c1 + c2);
var v0 = RotateRightAngle(c0 - c1);
var v1 = RotateRightAngle(c1 - c2);
float m0, m1;
Geom.LineLineIntersection(mp0, v0, mp1, v1, out m0, out m1);
return(mp0 + m0 * v0);
}
