public RelativeEdgePosition Cross(EdgeInterface e, out double t)
{
double s = 0.0;
RelativeEdgePosition crossType = e.Intersect(this, out s);
if ((crossType == RelativeEdgePosition.COLLINEAR) || (crossType == RelativeEdgePosition.PARALLEL))
{
t = 0.0;
return(crossType);
}
if ((s < 0.0) || (s > 1.0))
{
t = 0.0;
return(RelativeEdgePosition.SKEW_NO_CROSS);
}
Intersect(e, out t);
if ((0.0 <= t) && (t <= 1.0))
{
return(RelativeEdgePosition.SKEW_CROSS);
}
else
{
return(RelativeEdgePosition.SKEW_NO_CROSS);
}
}
public override void Test()
{
this.scene = new List <ViewItemInterface>();
edge0 = new Edge(10, 10, 100, 50);
edge1 = new Edge(100, 5, 5, 100);
this.scene.Add(new EdgeView(edge0));
this.scene.Add(new EdgeView(edge1));
double t;
RelativeEdgePosition pos = edge0.Intersect(edge1, out t);
Point crossPoint = null;
if (pos != RelativeEdgePosition.PARALLEL && pos != RelativeEdgePosition.COLLINEAR)
{
crossPoint = new Point(edge0.Point(t));
this.scene.Add(new PointView(crossPoint));
}
}
