initial commit

1 files changed, 22 insertions, 0 deletions

diff --git a/src/client/math.hh b/src/client/math.hh
new file mode 100644
index 0000000..da89d25
--- /dev/null
+++ b/src/client/math.hh
@@ -0,0 +1,22 @@
+#ifndef CLIENT_MATH_HH_
+#define CLIENT_MATH_HH_
+
+#include <optional>
+
+#include <glm/glm.hpp>
+
+#include "client/render/camera.hh"
+
+namespace client {
+namespace math {
+
+std::optional<glm::vec2> world_to_screen(
+    const glm::vec3& pos,
+    const glm::mat4& matrix = client::render::camera::get_proj() *
+                              client::render::camera::get_view(),
+    const glm::vec2& window = client::render::get_window_size()) noexcept;
+
+} // namespace math
+} // namespace client
+
+#endif