public static bool Intersects(Point point, Circle circle)
{
Point vec = new Point(point.X - circle.Center.X, point.Y - circle.Center.Y);
float sqDist = vec.X * vec.X + vec.Y * vec.Y;
return sqDist <= circle.Radius * circle.Radius;
}
public static bool Intersects(Rectangle rect, Circle circle)
{
float sqDist = SqDistPointRect(circle.Center, rect);
return sqDist <= circle.Radius * circle.Radius;
}
public static bool Intersects(Rectangle rect, Circle circle)
{
float sqDist = SqDistPointRect(circle.Center, rect);
return(sqDist <= circle.Radius * circle.Radius);
}
public bool Intersects(Rectangle rect)
{
Circle c = new Circle();
c.Center = new Point((StartPos.X + EndPos.X) / 2, (StartPos.Y + EndPos.Y)/2);
c.Radius = 5;
return GeometryHelper.Intersects(rect, c);
}
public bool Intersects(Rectangle rect)
{
Circle c = new Circle();
c.Center = Pos;
c.Radius = Radius;
return GeometryHelper.Intersects(rect, c);
}