public void InitTest()
{
A = new Point2D(0, 0);
B = new Point2D(0, 1);
C = new Point2D(1, 0);
D = new Point2D(1, 1);
}
public static Point2D operator -(Point2D p1, Point2D p2)
{
Point2D res = new Point2D();
res.X = p1.X - p2.X;
res.Y = p1.Y - p2.Y;
return res;
}
public Point Add(Point other)
{
Point2D res = new Point2D();
Point2D p2 = (Point2D)other;
res.X = this.X + p2.X;
res.Y = this.Y + p2.Y;
return res;
}
public Point Rotate(double angle)
{
Point2D point = new Point2D();
double angleInRad = angle * Math.PI / 180.0f;
point.X = Math.Round(X * Math.Cos(angleInRad) - Y * Math.Sin(angleInRad));
point.Y = Math.Round(X * Math.Sin(angleInRad) + Y * Math.Cos(angleInRad));
return point;
}
