added scenes, camera and meshes

1 files changed, 33 insertions, 0 deletions

diff --git a/src/o3d/mesh.cpp b/src/o3d/mesh.cpp
new file mode 100644
index 0000000..7da77aa
--- /dev/null
+++ b/src/o3d/mesh.cpp
@@ -0,0 +1,33 @@
+#include "o3d/mesh.h"
+#include <vector>
+#include <array>
+#include "math/math_vector.h"
+#include "o3d/vertex.h"
+
+using namespace engine::o3d;
+
+Mesh Mesh::cube() {
+    return {
+        {
+            { engine::math::MathVector3(-1.f, -1.f, -1.f), {} },
+            { engine::math::MathVector3(+1.f, -1.f, -1.f), {} },
+            { engine::math::MathVector3(-1.f, +1.f, -1.f), {} },
+            { engine::math::MathVector3(+1.f, +1.f, -1.f), {} },
+            { engine::math::MathVector3(-1.f, -1.f, +1.f), {} },
+            { engine::math::MathVector3(+1.f, -1.f, +1.f), {} },
+            { engine::math::MathVector3(-1.f, +1.f, +1.f), {} },
+            { engine::math::MathVector3(+1.f, +1.f, +1.f), {} },
+        },
+        {
+            { 0, 2, 3 }, { 0, 3, 1 }, // face 1
+            { 0, 4, 6 }, { 0, 6, 2 }, // face 2
+            { 0, 1, 5 }, { 0, 5, 4 }, // face 3
+            { 7, 6, 4 }, { 7, 4, 5 }, // face 4
+            { 7, 3, 2 }, { 7, 2, 6 }, // face 5
+            { 7, 5, 1 }, { 7, 1, 3 }, // face 6
+        }
+    };
+}
+
+Mesh::Mesh(std::vector<Vertex3> pts, std::vector<std::array<int, 3>> faces) : pts{pts}, faces{faces} {
+}