public Vector Rotate(UnitVector angle)
{
return(new Vector(
X * angle.X - Y * angle.Y,
X * angle.Y + Y * angle.X));
}
private static Point CalcOrigin(double curvatureRate, double endLength, Circle endCircle, UnitVector originDirection)
{
var radiusV = (-GetNormal(curvatureRate, endLength)).Rotate(originDirection) * endCircle.Radius;
var startToEndVector = ((Vector)GetPoint(curvatureRate, endLength)).Rotate(originDirection);
return(endCircle.Center + radiusV - startToEndVector);
}
public Line(Point point, UnitVector direction)
{
A = -direction.Y;
B = direction.X;
P = A * point.X + B * point.Y;
}
public Point Rotate(UnitVector angle, Point center)
{
var v = new Vector(center);
return(Move(-v).Rotate(angle).Move(v));
}
public Point Rotate(double angle, Point center)
{
return(Rotate(UnitVector.FromAngle(angle), center));
}
/// <summary>
/// Rotates point around (0; 0)
/// </summary>
public Point Rotate(UnitVector angle)
{
return(new Point(
X * angle.X - Y * angle.Y,
X * angle.Y + Y * angle.X));
}
