clray
annotate src/scene.cc @ 23:51f115e337c2
separated obj loading and vector class
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Fri, 13 Aug 2010 18:20:45 +0100 |
| parents | 6c44e4b1726d |
| children | 13091c00d7ca |
| rev | line source |
|---|---|
| John@15 | 1 #include <math.h> |
| nuclear@22 | 2 #include "scene.h" |
| nuclear@6 | 3 |
| John@15 | 4 #define FEQ(a, b) (fabs((a) - (b)) < 1e-8) |
| John@15 | 5 bool Face::operator ==(const Face &f) const |
| John@15 | 6 { |
| John@15 | 7 for(int i=0; i<3; i++) { |
| John@15 | 8 for(int j=0; j<3; j++) { |
| John@15 | 9 if(!FEQ(v[i].pos[j], f.v[i].pos[j])) { |
| John@15 | 10 return false; |
| John@15 | 11 } |
| John@15 | 12 if(!FEQ(v[i].normal[j], f.v[i].normal[j])) { |
| John@15 | 13 return false; |
| John@15 | 14 } |
| John@15 | 15 } |
| John@15 | 16 if(!FEQ(normal[i], f.normal[i])) { |
| John@15 | 17 return false; |
| John@15 | 18 } |
| John@15 | 19 } |
| John@15 | 20 return true; |
| John@15 | 21 } |
| John@15 | 22 |
| nuclear@13 | 23 bool Scene::add_mesh(Mesh *m) |
| nuclear@13 | 24 { |
| nuclear@13 | 25 // make sure triangles have material ids |
| nuclear@13 | 26 for(size_t i=0; i<m->faces.size(); i++) { |
| nuclear@13 | 27 m->faces[i].matid = m->matid; |
| nuclear@13 | 28 } |
| nuclear@13 | 29 meshes.push_back(m); |
| nuclear@13 | 30 return true; |
| nuclear@13 | 31 } |
| nuclear@13 | 32 |
| John@14 | 33 int Scene::get_num_meshes() const |
| John@14 | 34 { |
| John@14 | 35 return (int)meshes.size(); |
| John@14 | 36 } |
| John@14 | 37 |
| nuclear@13 | 38 int Scene::get_num_faces() const |
| nuclear@13 | 39 { |
| nuclear@13 | 40 int num_faces = 0; |
| nuclear@13 | 41 for(size_t i=0; i<meshes.size(); i++) { |
| nuclear@13 | 42 num_faces += meshes[i]->faces.size(); |
| nuclear@13 | 43 } |
| nuclear@13 | 44 return num_faces; |
| nuclear@13 | 45 } |
| nuclear@13 | 46 |
| John@14 | 47 int Scene::get_num_materials() const |
| John@14 | 48 { |
| John@14 | 49 return (int)matlib.size(); |
| John@14 | 50 } |
| John@14 | 51 |
| John@14 | 52 Material *Scene::get_materials() |
| John@14 | 53 { |
| John@14 | 54 if(matlib.empty()) { |
| John@14 | 55 return 0; |
| John@14 | 56 } |
| John@14 | 57 return &matlib[0]; |
| John@14 | 58 } |
| John@14 | 59 |
| John@14 | 60 const Material *Scene::get_materials() const |
| John@14 | 61 { |
| John@14 | 62 if(matlib.empty()) { |
| John@14 | 63 return 0; |
| John@14 | 64 } |
| John@14 | 65 return &matlib[0]; |
| John@14 | 66 } |