public bool Touch(Polygon2 inShape)
{
bool inside = true;
Polygon2 selfPoly = (Polygon2)GeoConverter.Convert(this, ShapeType.Polygon);
Vector2 primoPoint = null;
Vector2 lastPoint = null;
foreach (Vector2 vec in inShape.Points)
{
if (lastPoint != null)
{
for (int i = 0; i < 4; i++)
{
if (Line.LineIntersectsLine(selfPoly.Points[0 + i], selfPoly.Points[(1 + i) % 4], vec, lastPoint))
{
return(true);
}
}
}
else
{
primoPoint = new Vector2(vec.X, vec.Y);
}
//1 point not inside ? it's not inside...
if (!Contains(vec))
{
inside = false;
}
lastPoint = new Vector2(vec.X, vec.Y);
}
//Last chance... last segment
for (int i = 0; i < 4; i++)
{
if (Line.LineIntersectsLine(selfPoly.Points[0 + i], selfPoly.Points[(1 + i) % 4], primoPoint, lastPoint))
{
return(true);
}
}
return(inside);
}
public bool Touch(Stroke2 inStroke)
{
Polygon2 selfPoly = (Polygon2)GeoConverter.Convert(this, ShapeType.Polygon);
Vector2 lastPoint = null;
foreach (Vector2 vec in inStroke.Points)
{
if (lastPoint != null)
{
for (int i = 0; i < 4; i++)
{
if (Line.LineIntersectsLine(selfPoly.Points[0 + i], selfPoly.Points[(1 + i) % 4], vec, lastPoint))
{
return(true);
}
}
}
lastPoint = new Vector2(vec.X, vec.Y);
}
return(false);
}
public override bool Touch(Shape2 inShape)
{
return(Touch((Polygon2)GeoConverter.Convert(inShape, ShapeType.Polygon, false)));
}
public bool Touch(Circle inCircle)
{
return(Touch((Polygon2)GeoConverter.Convert(inCircle, ShapeType.Polygon)));
}
public bool Touch(Rectangle inRectangle)
{
return(Touch((Polygon2)GeoConverter.Convert(inRectangle, ShapeType.Polygon)));
}
