repo init. partial port of existing code

1 files changed, 26 insertions, 0 deletions

diff --git a/src/camera.h b/src/camera.h
new file mode 100644
index 0000000..226f80e
--- /dev/null
+++ b/src/camera.h
@@ -0,0 +1,26 @@
+/**
+ * @file camera.h
+ * @author your name (you@domain.com)
+ * @brief
+ * @version 0.1
+ * @date 2024-02-24
+ *
+ * @copyright Copyright (c) 2024
+ *
+ */
+#pragma once
+
+#include "maths_types.h"
+
+typedef struct camera {
+  vec3 position;
+  vec3 front;
+  vec3 up;
+  f32 fov;
+} camera;
+
+/** @brief create a camera */
+camera camera_create(vec3 pos, vec3 front, vec3 up, f32 fov);
+
+/** @brief get a 4x4 transform matrix for the view and perspective projection */
+void camera_view_projection(camera *c, f32 screen_height, f32 screen_width, mat4 *out_view_proj);
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