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-rw-r--r--src/o3d/camera.hpp24
1 files changed, 24 insertions, 0 deletions
diff --git a/src/o3d/camera.hpp b/src/o3d/camera.hpp
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+++ b/src/o3d/camera.hpp
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+#ifndef O3D_CAMERA_H
+#define O3D_CAMERA_H
+
+#include "math/mat4.hpp"
+#include "math/tform.hpp"
+
+using
+ engine::math::Matrix4,
+ engine::math::Transform;
+
+namespace engine::o3d {
+
+struct Camera {
+ float fov;
+ Transform transform;
+
+ constexpr Matrix4 to_mat4(float aspect_ratio, float min_z, float max_z) const & {
+ return Matrix4::projection(fov, aspect_ratio, min_z, max_z) * transform.to_inverse_mat4();
+ }
+};
+
+}
+
+#endif // O3D_CAMERA_H