various improvements

- added quaternions and rewrote all rotations to use them
- added transforms to put all object transforms in a single place
- added Wavefront .obj file parser
- removed frame buffer's abstract class
- improved vectors, matrices, triangles, vertices and vertices data by putting all code in header file
- added vector's operations
- changed from NULL to nullptr
- miscellaneous improvements

1 files changed, 5 insertions, 6 deletions

diff --git a/src/o3d/vertex.h b/src/o3d/vertex.h
index 1247fc8..438f8b3 100644
--- a/src/o3d/vertex.h
+++ b/src/o3d/vertex.h
@@ -6,13 +6,12 @@
 
 namespace engine::o3d {
 
-class Vertex {
-    public:
-        engine::math::Vector4 vertex;
-        engine::math::Vector3 normal;
-        VertexData data;
+using engine::math::Vector3, engine::math::Vector4;
 
-        Vertex(engine::math::Vector4 vertex, engine::math::Vector3 normal, VertexData data);
+struct Vertex {
+    Vector4 vertex;
+    Vector3 normal;
+    VertexData data;
 };
 
 }