List<Triangle> Mesh::GetTris(){
List<Triangle> triangles;
for (int i = 0; i < numFaces; ++i){
// Just copy shit from it
MeshFace * f = &faces[i];
assert((f->numVertices <= 4 || f->numVertices >= 3) && "Bad vertices count in faces");
Vector3f p1 = vertices[f->vertices[0]],
p2 = vertices[f->vertices[1]],
p3 = vertices[f->vertices[2]];
if (f->numVertices == 4){
assert(false && "faces has quads!");
// Vector3f p4 = vertices[faces->vertices[3]];
// Quad * quad = new Quad();
// quad->Set4Points(p1, p2, p3, p4);
// quads.Add(quad);
}
else if (f->numVertices == 3){
Triangle tri;
tri.Set3Points(p1, p2, p3);
triangles.Add(tri);
}
}
assert(triangles.Size() > 0);
return triangles;
}
bool PhysicsMesh::LoadFrom(Mesh * mesh)
{
// Clear old
triangles.ClearAndDelete();
quads.ClearAndDelete();
name = mesh->name;
source = mesh->source;
aabb = *mesh->aabb;
for (int i = 0; i < mesh->numFaces; ++i)
{
// Just copy shit from it
MeshFace * faces = &mesh->faces[i];
assert((faces->numVertices <= 4 || faces->numVertices >= 3) && "Bad vertices count in faces");
int vi0 = faces->vertices[0],
vi1 = faces->vertices[1],
vi2 = faces->vertices[2];
assert(vi0 < mesh->vertices.Size() &&
vi0 >= 0);
Vector3f p1 = mesh->vertices[vi0],
p2 = mesh->vertices[vi1],
p3 = mesh->vertices[vi2];
if (faces->numVertices == 4){
Vector3f p4 = mesh->vertices[faces->vertices[3]];
Quad * quad = new Quad();
quad->Set4Points(p1, p2, p3, p4);
quads.Add(quad);
}
else if (faces->numVertices == 3){
Triangle * tri = new Triangle();
tri->Set3Points(p1, p2, p3);
triangles.Add(tri);
}
}
if (quads.Size() == 0 && triangles.Size() == 0)
assert(false && "Unable to load physicsmesh from mesh source!");
else
std::cout<<"\nCreated physics mesh for \""<<source<<"\": ";
if (triangles.Size())
std::cout<<"\n- "<<triangles.Size()<<" triangles";
if (quads.Size())
std::cout<<"\n- "<<quads.Size()<<" quads";
// Re-generate it.
if (useCollisionShapeOctrees)
GenerateCollisionShapeOctree();
return true;
}
