void generateRoomGrid(room_s* r)
{
if(!r)return;
initRoomGrid(r);
int i, j;
for(i=0;i<r->rectangleGridSize.x;i++)
{
for(j=0;j<r->rectangleGridSize.z;j++)
{
generateGridCell(r,&r->rectangleGrid[i+j*r->rectangleGridSize.x],i,j);
}
}
}
std::vector<Primitive *> Particles::getSurfacePrims(double isolevel, double fStepSize, BSDF* bsdf) {
std::vector<Primitive *> prims;
double xmin = getParticlesAxisMin(0);
double ymin = getParticlesAxisMin(1);
double zmin = getParticlesAxisMin(2);
double xmax = getParticlesAxisMax(0);
double ymax = getParticlesAxisMax(1);
double zmax = getParticlesAxisMax(2);
int xsteps = (int)((xmax-xmin)/fStepSize);
int ysteps = (int)((ymax-ymin)/fStepSize);
int zsteps = (int)((zmax-zmin)/fStepSize);
vector<vector<Index> > polygons;
vector<Vector3D> vertexPositions;
for (int ix = 0; ix <= xsteps; ix++)
for (int iy = 0; iy <= ysteps; iy++)
for (int iz = 0; iz <= zsteps; iz++) {
double x1 = xmin+ix*fStepSize;
double x2 = std::min(xmax, x1+fStepSize);
double y1 = ymin+iy*fStepSize;
double y2 = std::min(ymax, y1+fStepSize);
double z1 = zmin+iz*fStepSize;
double z2 = std::min(zmax, z1+fStepSize);
GridCell grid = generateGridCell(x1,x2,y1,y2,z1,z2);
std::vector<TriangleVertices *> triangles = polygonise(grid, isolevel);
for (int i=0; i<triangles.size(); i++) {
Vector3D p1 = triangles[i]->p[0];
Vector3D p2 = triangles[i]->p[1];
Vector3D p3 = triangles[i]->p[2];
Vector3D n1 = getVertexNormal(p1);
Vector3D n2 = getVertexNormal(p2);
Vector3D n3 = getVertexNormal(p3);
MarchingTriangle *tri = new MarchingTriangle(p1, p2, p3, n1, n2, n3, bsdf);
prims.push_back(tri);
}
}
return prims;
}
