/// <summary>
/// 타원과 한 점간의 충돌 체크
/// </summary>
/// <param name="ellipse">타원</param>
/// <param name="pt">좌표</param>
/// <returns>충돌 여부</returns>
public static bool CheckEllipse(RectangleF ellipse, PointF pt)
{
EllipseCollision e = new EllipseCollision(10);
var cp = MathTool.CenterPoint(ellipse);
return(e.Collide(cp.X, cp.Y, ellipse.Width / 2F, ellipse.Height / 2F, pt.X, pt.Y, 0.1));
}
/// <summary>
/// 원과 한 점간 충돌 체크
/// </summary>
/// <param name="rt1">원</param>
/// <param name="pt">점</param>
/// <returns>충돌여부</returns>
public static bool CheckCircle(RectangleF rt1, Point pt)
{
var gap = Math.Min(rt1.Width, rt1.Height) / 2;
var v = MathTool.GetDistance(MathTool.CenterPoint(rt1), pt);
return(v < gap);
}
/// <summary>
/// 서로 다른 두 타원간의 충돌 체크
/// </summary>
/// <param name="ellipse1">타원1</param>
/// <param name="ellipse2">타원2</param>
/// <returns>충돌 여부</returns>
public static bool CheckEllipse(RectangleF ellipse1, RectangleF ellipse2)
{
EllipseCollision e = new EllipseCollision(10);
var cp = MathTool.CenterPoint(ellipse1);
var cpT = MathTool.CenterPoint(ellipse2);
return(e.Collide(cp.X, cp.Y, ellipse1.Width / 2F, ellipse1.Height / 2, cpT.X, cpT.Y, ellipse2.Width / 2F, ellipse2.Height / 2F));
}
