1 files changed, 39 insertions, 0 deletions
diff --git a/archive/src/core/camera.h b/archive/src/core/camera.h
new file mode 100644
index 0000000..4300f87
--- /dev/null
+++ b/archive/src/core/camera.h
@@ -0,0 +1,39 @@
+#pragma once
+
+#include "defines.h"
+#include "maths_types.h"
+
+// TODO: swap to position + quaternion
+
+typedef struct Camera {
+  Vec3 position;
+  Vec3 front;
+  Vec3 up;
+  f32 fov;
+} Camera;
+
+/** @brief create a camera */
+PUB Camera Camera_Create(Vec3 pos, Vec3 front, Vec3 up, f32 fov);
+
+/**
+ * @brief Get 3D camera transform matrix
+ * @param out_view optionally stores just the view matrix
+ * @param out_proj optionally stores just the projection matrix
+ * @returns the camera's view projection matrix pre-multiplied
+ */
+PUB Mat4 Camera_ViewProj(Camera* c, f32 lens_height, f32 lens_width, Mat4* out_view,
+                         Mat4* out_proj);
+
+/** @brief Get 2D camera transform matrix */
+PUB Mat4 Camera_View2D(Camera* c);  // TODO: 2D cameras
+
+struct Input_State;
+
+PUB void FlyCamera_Update(Camera* camera);
+
+// TODO: (HIGH) Basic reusable camera controls
+/*
+Right click + move = pan
+Left click = orbit camera
+WASD = forward/backward/left/right
+*/