std::vector<double> stetmesh::Tet::getRanPnt(srng::RNG * r, uint n) const
{
double * p = new double[n*3];
double * p0 = _getVertex(0);
double * p1 = _getVertex(1);
double * p2 = _getVertex(2);
double * p3 = _getVertex(3);
/*double p0[3] = {pnt0[0], pnt0[1], pnt0[2]}; // Defunct code
double p1[3] = {pnt1[0], pnt1[2], pnt1[2]};
double p2[3] = {pnt2[0], pnt2[1], pnt2[2]};
double p3[3] = {pnt3[0], pnt3[1], pnt3[2]}; */
for (uint i=0; i< n; ++i)
{
double rn1 = r->getUnfIE();
double rn2 = r->getUnfIE();
double rn3 = r->getUnfIE();
steps::math::tet_ranpnt(p0, p1, p2, p3, rn1, rn2, rn3, (p+(i*3)));
}
std::vector<double> pnt(n*3);
for (uint i=0; i< (n*3); ++i)
{
pnt[i] = p[i];
}
delete[] p;
return pnt;
}
bool stetmesh::Tet::isInside(std::vector<double> p) const
{
double * p0 = _getVertex(0);
double * p1 = _getVertex(1);
double * p2 = _getVertex(2);
double * p3 = _getVertex(3);
double pnt[3] = {p[0], p[1], p[2]};
/*double p0[3] = {pnt0[0], pnt0[1], pnt0[2]}; // Defunct code
double p1[3] = {pnt1[0], pnt1[2], pnt1[2]};
double p2[3] = {pnt2[0], pnt2[1], pnt2[2]};
double p3[3] = {pnt3[0], pnt3[1], pnt3[2]}; */
return (steps::math::tet_inside(p0, p1, p2, p3, pnt));
}
int obj_load(char *filename, entity_t *e)
{
if((fp = fopen(filename, "r")) == NULL) {
fprintf(stderr, "Error loading file: %s\n", filename);
return -1;
}
Vertex vertices[100];
int faces[100][3];
int nPolygons = 0;
int vertex_num = 0;
while((token = _getToken(fp)) != NULL_T) // NULL_T is EOF
{
if(token == VERTEX_T) {
printf("v ");
_getVertex(&vertices[vertex_num]);
vertex_num++;
}
else if(token == VERTEX_NORM_T) {
//Vertex *test;
//printf("vn ");
//test = _getVertex();
}
else if(token == FACE_T) {
printf("f ");
int v1, v2, v3;
_getFace(&v1, &v2, &v3);
faces[nPolygons][0] = v1;
faces[nPolygons][1] = v2;
faces[nPolygons][2] = v3;
printf("%i %i %i\n", faces[nPolygons][0], v2, v3);
nPolygons++;
(e->nPolygons)++;
}
else
;
}
fclose(fp);
e->nPolygons = nPolygons;
e->pList = (polygon_t *)malloc(nPolygons * sizeof(polygon_t));
memset(e->pList, 0x0, sizeof(polygon_t));
for(int i = 0; i < nPolygons; i++) {
for(int j = 0; j < 3; j++) {
e->pList[i].v[j].x = vertices[faces[i][j]-1].x;
e->pList[i].v[j].y = vertices[faces[i][j]-1].y;
e->pList[i].v[j].z = vertices[faces[i][j]-1].z;
}
}
for(int i = 0; i < nPolygons; i++) {
for(int j = 0; j < 3; j++) {
printf("poly%i %f %f %f\n", i, e->pList[i].v[j].x,e->pList[i].v[i].y,e->pList[i].v[j].z);
}
}
return 0;
}
