| public CallBegin ( TriangleListType triangleType ) : void | ||
| triangleType | TriangleListType | |
| return | void | |
private static void RenderStrip(Tesselator tess, HalfEdge halfEdge, int size)
{
/* Render as many CCW triangles as possible in a strip starting from
* edge "e". The strip *should* contain exactly "size" triangles
* (otherwise we've goofed up somewhere).
*/
tess.CallBegin(TriangleListType.TriangleStrip);
tess.CallVertex(halfEdge.originVertex.ClientIndex);
tess.CallVertex(halfEdge.directionVertex.ClientIndex);
while (!halfEdge.leftFace.Marked())
{
halfEdge.leftFace.marked = true;
--size;
halfEdge = halfEdge.Dprev;
tess.CallVertex(halfEdge.originVertex.ClientIndex);
if (halfEdge.leftFace.Marked())
{
break;
}
halfEdge.leftFace.marked = true;
--size;
halfEdge = halfEdge.nextEdgeCCWAroundOrigin;
tess.CallVertex(halfEdge.directionVertex.ClientIndex);
}
if (size != 0)
{
throw new Exception();
}
tess.CallEnd();
}
static void RenderFan(Tesselator tess, HalfEdge e, int size)
{
/* Render as many CCW triangles as possible in a fan starting from
* edge "e". The fan *should* contain exactly "size" triangles
* (otherwise we've goofed up somewhere).
*/
tess.CallBegin(Tesselator.TriangleListType.TriangleFan);
tess.CallVertex(e.originVertex.clientIndex);
tess.CallVertex(e.directionVertex.clientIndex);
while (!e.leftFace.Marked())
{
e.leftFace.marked = true;
--size;
e = e.nextEdgeCCWAroundOrigin;
tess.CallVertex(e.directionVertex.clientIndex);
}
if (size != 0)
{
throw new Exception();
}
tess.CallEnd();
}
static void RenderStrip(Tesselator tess, HalfEdge halfEdge, int size)
{
/* Render as many CCW triangles as possible in a strip starting from
* edge "e". The strip *should* contain exactly "size" triangles
* (otherwise we've goofed up somewhere).
*/
tess.CallBegin(Tesselator.TriangleListType.TriangleStrip);
tess.CallVertex(halfEdge.originVertex.clientIndex);
tess.CallVertex(halfEdge.directionVertex.clientIndex);
while (!halfEdge.leftFace.Marked())
{
halfEdge.leftFace.marked = true;
--size;
halfEdge = halfEdge.Dprev;
tess.CallVertex(halfEdge.originVertex.clientIndex);
if (halfEdge.leftFace.Marked()) break;
halfEdge.leftFace.marked = true;
--size;
halfEdge = halfEdge.nextEdgeCCWAroundOrigin;
tess.CallVertex(halfEdge.directionVertex.clientIndex);
}
if (size != 0)
{
throw new Exception();
}
tess.CallEnd();
}
static void RenderFan(Tesselator tess, HalfEdge e, int size)
{
/* Render as many CCW triangles as possible in a fan starting from
* edge "e". The fan *should* contain exactly "size" triangles
* (otherwise we've goofed up somewhere).
*/
tess.CallBegin(Tesselator.TriangleListType.TriangleFan);
tess.CallVertex(e.originVertex.clientIndex);
tess.CallVertex(e.directionVertex.clientIndex);
while (!e.leftFace.Marked())
{
e.leftFace.marked = true;
--size;
e = e.nextEdgeCCWAroundOrigin;
tess.CallVertex(e.directionVertex.clientIndex);
}
if (size != 0)
{
throw new Exception();
}
tess.CallEnd();
}