public LineLikeOnTwoDotsRule(LineLike line, Dot d1, Dot d2) : base(line)
{
d1.Childs.Add(line);
d2.Childs.Add(line);
line.Parents.Add(d1);
line.Parents.Add(d2);
Fix();
}
public ParallelLineRule(Line line, LineLike original, Dot on) : base(line)
{
original.Childs.Add(line);
on.Childs.Add(line);
line.Parents.Add(original);
line.Parents.Add(on);
Fix();
}
public static Vector2 Reflect(Vector2 vec, LineLike axis)
{
Line lin = Line.FromTwoPoints(axis.Point1 - new Vector2(0, axis.Yint), axis.Point2 - new Vector2(0, axis.Yint));
Vector2 d = vec - new Vector2(0, axis.Yint);
float angle = (float)Math.Atan(lin.Grad);
Vector2 ReflectedDot = new Vector2((float)(d.X * Math.Cos(2 * angle) + d.Y * Math.Sin(2 * angle)),
(float)(d.X * Math.Sin(2 * angle) - d.Y * Math.Cos(2 * angle)));
return(ReflectedDot + new Vector2(0, axis.Yint));
}
public ReflectedShapeRule(LineLike axis, Shape original, Shape shape) : base(shape)
{
shape.Parents.Add(axis);
shape.Parents.Add(original);
axis.Childs.Add(shape);
original.Childs.Add(shape);
Fix();
}
