static private Slice2D SingleSlice(Polygon2D polygon, Pair2D slice)
{
Slice2D result = Slice2D.Create(null, slice);
if (Vector2D.Distance(slice.A, slice.B) < 0.001f)
{
Debug.LogWarning("Slicer2D: Slice is too short");
return(result);
}
Vector2D vertexToIntersection = VertexToIntersection.Get(polygon, slice);
if (vertexToIntersection != null)
{
return(VertexToIntersection.Slice(polygon, slice, vertexToIntersection));
}
if ((polygon.PointInPoly(slice.A) || polygon.PointInPoly(slice.B))) // && pointsInHoles == 1
{
Debug.LogWarning("Slicer2D: Incorrect Split: Code 1 (One point is inside Vertice?)" + " " + slice.ToString());
// Slicing through hole cut-out
return(result);
}
Polygon2D holeA = polygon.PointInHole(slice.A);
Polygon2D holeB = polygon.PointInHole(slice.B);
int pointsInHoles = Convert.ToInt32(holeA != null) + Convert.ToInt32(holeB != null);
if (pointsInHoles == 2 && holeA == holeB)
{
pointsInHoles = 1;
}
switch (pointsInHoles)
{
case 0:
return(SliceWithoutHoles.Slice(polygon, slice));
case 1:
return(SliceWithOneHole.Slice(polygon, slice, holeA, holeB));
case 2:
return(SliceWithTwoHoles.Slice(polygon, slice, holeA, holeB));
default:
break;
}
return(result);
}
static private Slice2D SingleSlice(Polygon2D polygon, ComplexSlicerSplit split)
{
Slice2D result = Slice2D.Create(null, split.points);
// Change
if (Slicer2D.complexSliceType == Slicer2D.SliceType.Regular)
{
if (Math2D.SliceIntersectItself(split.points))
{
if (Slicer2D.Debug.enabled)
{
Debug.LogWarning("Slicer2D: Slice Intersect Itself In Regular Mode");
}
return(result);
}
}
// Start and End of slice should be outside the polygon
if (polygon.PointInPoly(split.points.First()) == true || polygon.PointInPoly(split.points.Last()) == true)
{
return(result);
}
List <Vector2D> slice = new List <Vector2D> (split.points);
if (split.type == ComplexSlicerSplit.Type.SingleVertexCollision)
{
Debug.Log("Single Vertex Collision");
return(result);
}
ComplexCollision collisionSlice = new ComplexCollision(polygon, slice);
if (collisionSlice.error)
{
if (Slicer2D.Debug.enabled)
{
Debug.LogWarning("Slicer2D: Complex Collision Error");
}
return(result);
}
List <Polygon2D> intersectHoles = polygon.GetListSliceIntersectHoles(slice);
switch (intersectHoles.Count)
{
case 0:
if (collisionSlice.collisionCount == 2)
{
return(SliceWithoutHoles.Slice(polygon, slice, collisionSlice));
}
break;
case 1:
return(SliceWithOneHole.Slice(polygon, slice, collisionSlice));
case 2:
return(SliceWithTwoHoles.Slice(polygon, slice, collisionSlice));
default:
break;
}
return(result);
}