public int ClipStart(Slot slot, ClippingAttachment clip)
{
if (clipAttachment != null)
{
return(0);
}
clipAttachment = clip;
int n = clip.worldVerticesLength;
float[] vertices = clippingPolygon.Resize(n).Items;
clip.ComputeWorldVertices(slot, 0, n, vertices, 0, 2);
MakeClockwise(clippingPolygon);
clippingPolygons = triangulator.Decompose(clippingPolygon, triangulator.Triangulate(clippingPolygon));
foreach (var polygon in clippingPolygons)
{
MakeClockwise(polygon);
polygon.Add(polygon.Items[0]);
polygon.Add(polygon.Items[1]);
}
return(clippingPolygons.Count);
}
