void ElBillboardChain::render(ElCamera* camera, TimeValue t)
{
if (mNeedUpdateVertices)
{
_setupVertices(camera);
mNeedUpdateVertices = false;
}
IDirect3DDevice9* d3dDevice = ElDeviceManager::getDevice();
if (SUCCEEDED(d3dDevice->BeginScene()))
{
D3DXMATRIX mat;
getParentNodeTransform(mat);
d3dDevice->SetTransform(D3DTS_WORLD, &mat);
d3dDevice->SetFVF(VERTEX::FVF);
d3dDevice->SetTexture(0, mTexture);
d3dDevice->SetRenderState(D3DRS_LIGHTING, FALSE);
int numTriangles = mChainElementList.size();
numTriangles = max(0, (numTriangles - 1) * 2);
d3dDevice->DrawPrimitiveUP(D3DPT_TRIANGLESTRIP, numTriangles, mVertices.base(), sizeof(VERTEX));
d3dDevice->EndScene();
d3dDevice->SetTexture(0, NULL);
d3dDevice->SetRenderState(D3DRS_LIGHTING, TRUE);
}
}
void CMarchingTet::_ExtractSurface(const int tm, CMarchingTetEdge *pSplitEdges, CVertexInfo *pVertInfo)
{
Vector4i tet;
Vector3f p0, p1, p2, p3, vert[4];
int i, v0, v1, v2, v3, vbuff[4];
const int nsplit = GetSplitVertexCount();
ASSERT0(nsplit>0);
#ifdef _DEBUG
tet = m_tet;
int debn=163;
if (tet.x==debn || tet.y==debn|| tet.z==debn || tet.w==debn)
int asgag=1;
//if (nsplit!=2) return;
#endif
//for the split vertices;
for (i=0; i<nsplit; i++){
if (i==0){
_getVerticesByExtractionSequence(0, pVertInfo, v0, v1, v2, v3);
tet = Vector4i(v0, v1, v2, v3);
}
else{
v0=tet.x, v1=tet.y, v2=tet.z, v3=tet.w;
const int vtmp = _getVerticeByExtractionSequence(i); //get the second slit vertex
ChangeTetVertexSeq(vtmp, v0, v1, v2, v3);
}
_extractSurface4(tm, v0, v1, v2, v3, p0, p1, p2, p3, 0, pSplitEdges, pVertInfo);
}
if (nsplit==4) return;
//for the mesh vertices;
const int cc= GetNonSplitVertices(vbuff);
Vector3i tri(vbuff[0], vbuff[1], vbuff[2]), *pBaseTri=NULL;
switch(cc){
case 1:
pBaseTri = _lsearchDynamicVertex(vbuff[0], pVertInfo);
break;
case 2:
pBaseTri = _lsearchDynamicEdge(vbuff[0], vbuff[1], pVertInfo);
break;
case 3:
pBaseTri = &tri;
break;
}
ASSERT0(pBaseTri!=NULL);
_setupVertices(tet, pBaseTri, vbuff, cc, pVertInfo, vert);
for (i=0; i<cc; i++){
v0=tet.x, v1=tet.y, v2=tet.z, v3=tet.w;
ChangeTetVertexSeq(vbuff[i], v0, v1, v2, v3);
p0=_matchVertices(v0, tet, vert);
p1=_matchVertices(v1, tet, vert);
p2=_matchVertices(v2, tet, vert);
p3=_matchVertices(v3, tet, vert);
_extractSurface4(tm, v0, v1, v2, v3, p0, p1, p2, p3, 1, pSplitEdges, pVertInfo);
}
}
