public List <ObjectLinePiece> slice(List <ObjectLinePiece> lps, PlaneBorder aPlaneBorder)
{
List <ObjectLinePiece> retSlices = new List <ObjectLinePiece>();
foreach (ObjectLinePiece anObjectLinePiece in lps)
{
Line sectLine = anObjectLinePiece.lp.toLine();
//Console.WriteLine("FOO"+aPlaneBorder.getNormal().dotProduct(sectLine.direction));
if (Math.Abs(aPlaneBorder.getNormal().dotProduct(sectLine.direction)) < MainClass.SIGNIFICANTLY_SMALL)
{
//Console.WriteLine("BAR");
retSlices.Add(anObjectLinePiece);
continue; // line is within the plane, does not intersect. Continue for iLimitBorder loop
}
Scientrace.Location node = aPlaneBorder.lineThroughPlane(sectLine);
if (node == null)
{
Console.WriteLine("WARNING, NODE=null: " + aPlaneBorder.ToString() + " vs. " + sectLine.ToString());
continue; // somehow the line didn't go through the plane in the end... strange..
}
// fill return-list
retSlices.AddRange(this.toOLP(anObjectLinePiece.lp.sliceIfBetween(node), "0 0.2 0.5 1", anObjectLinePiece.o3d));
}
return(retSlices);
}
public Intersection intersectsObject(Trace trace, Object3d o3dWithThisBorder)
{
PlaneBorder aBorder = this;
if (trace.traceline.direction.dotProduct(aBorder.getNormal()) == 0)
{
return(Intersection.notIntersect(o3dWithThisBorder)); //trace is parallel to plane, will not intersect.
}
Scientrace.Location intersectLoc = aBorder.intersectsAt(trace.traceline);
if (intersectLoc == null)
{
return(Intersection.notIntersect(o3dWithThisBorder)); //trace is parallel to plane, will not intersect.
}
return(new Intersection(true, o3dWithThisBorder, intersectLoc, new Scientrace.FlatShape2d(this.tPlane), null, this.contains(trace.traceline.startingpoint)));
}