static int pyPlane3___init__(pyPlane3* self, PyObject* args, PyObject* kwds) {
float x = 0.0f, y = 0.0f, z = 0.0f, w = 0.0f;
PyObject* init = NULL;
static char* kwlist[] = { "X", "Y", "Z", "W", NULL };
static char* kwlist2[] = { "Plane", NULL };
if (PyArg_ParseTupleAndKeywords(args, kwds, "ffff", kwlist, &x, &y, &z, &w)) {
(*self->fThis) = hsPlane3(hsVector3(x, y, z), w);
} else if (PyErr_Clear(), PyArg_ParseTupleAndKeywords(args, kwds, "|O", kwlist2, &init)) {
if (init == NULL) {
(*self->fThis) = hsPlane3();
return 0;
}
if (pyPlane3_Check(init)) {
(*self->fThis) = (*((pyPlane3*)init)->fThis);
} else {
PyErr_SetString(PyExc_TypeError, "__init__ expects a Plane");
return -1;
}
} else {
return -1;
}
return 0;
}
bool plPhysXCooking::TestIfConvex(NxConvexMesh* convexMesh, int nVerts, hsPoint3* verts)
{
bool retVal = true;
// build planes from the convex mesh
NxConvexMeshDesc desc;
convexMesh->saveToDesc(desc);
hsPlane3* planes = new hsPlane3[desc.numTriangles];
int i;
for ( i = 0; i < desc.numTriangles; i++)
{
uint32_t* triangle = (uint32_t*)(((char*)desc.triangles) + desc.triangleStrideBytes*i);
float* vertex1 = (float*)(((char*)desc.points) + desc.pointStrideBytes*triangle[0]);
float* vertex2 = (float*)(((char*)desc.points) + desc.pointStrideBytes*triangle[1]);
float* vertex3 = (float*)(((char*)desc.points) + desc.pointStrideBytes*triangle[2]);
hsPoint3 pt1(vertex1[0],vertex1[1],vertex1[2]);
hsPoint3 pt2(vertex2[0],vertex2[1],vertex2[2]);
hsPoint3 pt3(vertex3[0],vertex3[1],vertex3[2]);
planes[i] = hsPlane3(&pt1,&pt2,&pt3);
}
// now see if any of the points from the mesh are inside the hull
for (int j=0; j<nVerts && retVal; j++)
{
if ( IsPointInsideHull(planes,desc.numTriangles,verts[j]) )
retVal = false;
}
delete [] planes;
return retVal;
}
