public static bool IsOverlappedPointCircle(SPoint Point_, SCircle Circle_)
{
if ((Point_.X - Circle_.X) * (Point_.X - Circle_.X) + (Point_.Y - Circle_.Y) * (Point_.Y - Circle_.Y) <= Circle_.Radius * Circle_.Radius)
{
return(true);
}
return(false);
}
public static bool IsOverlappedCircleCircle(SCircle Circle0_, SCircle Circle1_)
{
if ((Circle0_.X - Circle1_.X) * (Circle0_.X - Circle1_.X) + (Circle0_.Y - Circle1_.Y) * (Circle0_.Y - Circle1_.Y) <=
(Circle0_.Radius + Circle1_.Radius) * (Circle0_.Radius + Circle1_.Radius))
{
return(true);
}
return(false);
}
public static bool IsOverlappedCirclePointRect(SCircle Circle_, SPointRect PointRect_)
{
return(
IsOverlappedPointPointRect(Circle_, new SPointRect(new SPoint(PointRect_.TopRight.X, PointRect_.TopRight.Y + Circle_.Radius), new SPoint(PointRect_.TopLeft.X, PointRect_.TopLeft.Y + Circle_.Radius), new SPoint(PointRect_.BottomLeft.X, PointRect_.BottomLeft.Y - Circle_.Radius), new SPoint(PointRect_.BottomRight.X, PointRect_.BottomRight.Y - Circle_.Radius))) ||
IsOverlappedPointPointRect(Circle_, new SPointRect(new SPoint(PointRect_.TopRight.X + Circle_.Radius, PointRect_.TopRight.Y), new SPoint(PointRect_.TopLeft.X - Circle_.Radius, PointRect_.TopLeft.Y), new SPoint(PointRect_.BottomLeft.X - Circle_.Radius, PointRect_.BottomLeft.Y), new SPoint(PointRect_.BottomRight.X + Circle_.Radius, PointRect_.BottomRight.Y))) ||
IsOverlappedPointCircle(Circle_, new SCircle(PointRect_.TopRight, Circle_.Radius)) ||
IsOverlappedPointCircle(Circle_, new SCircle(PointRect_.TopLeft, Circle_.Radius)) ||
IsOverlappedPointCircle(Circle_, new SCircle(PointRect_.BottomLeft, Circle_.Radius)) ||
IsOverlappedPointCircle(Circle_, new SCircle(PointRect_.BottomRight, Circle_.Radius))
);
}
public static void Main()
{
CCircle cc1; // 객체 아님. 참조 변수
CCircle cc2 = new CCircle(); // 객체 생성, 모든 멤버가 0으로 초기화
SCircle sc1; // 객체 생성.
SCircle sc2 = new SCircle();
int n1 = cc1.center.x; // error. x가 메모리에 없음.
int n2 = cc2.center.x; // ok. 0
int n3 = sc1.center.x; // error. x가 초기화 안됨.
int n4 = sc2.center.x; // ok. x가 초기화 됨.
}
public static bool IsOverlappedCircleRect(SCircle Circle_, SRect Rect_)
{
if (
// 세로로 긴 직사각형에 포함
IsOverlappedPointRect(Circle_, new SRect(Rect_.Left, Rect_.Right, Rect_.Bottom - Circle_.Radius, Rect_.Top + Circle_.Radius)) ||
// 가로로 긴 직사각형에 포함
IsOverlappedPointRect(Circle_, new SRect(Rect_.Left - Circle_.Radius, Rect_.Right + Circle_.Radius, Rect_.Bottom, Rect_.Top)) ||
// 네 모서리 1/4 원에 포함
IsOverlappedPointCircle(new SPoint(Rect_.Left, Rect_.Bottom), Circle_) ||
IsOverlappedPointCircle(new SPoint(Rect_.Right, Rect_.Bottom), Circle_) ||
IsOverlappedPointCircle(new SPoint(Rect_.Left, Rect_.Top), Circle_) ||
IsOverlappedPointCircle(new SPoint(Rect_.Right, Rect_.Top), Circle_)
)
{
return(true);
}
return(false);
}
public SSector(SCircle Super_, Single LeftTheta_, Single RightTheta_) : base(Super_)
{
LeftTheta = LeftTheta_;
RightTheta = RightTheta_;
}
public void Set(SCircle Obj_)
{
base.Set(Obj_);
Radius = Obj_.Radius;
}
public SCircle(SCircle Obj_) : base(Obj_)
{
Radius = Obj_.Radius;
}
