From 687772f073563e83b3f75647195251637397ccba Mon Sep 17 00:00:00 2001
From: Orange <orange-cpp@yandex.ru>
Date: Tue, 12 Aug 2025 09:29:09 +0300
Subject: [PATCH] feat(omath): Add NDC to screen position coordinate diagram

---
 include/omath/projection/camera.hpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/omath/projection/camera.hpp b/include/omath/projection/camera.hpp
index 76b07d8..b02ccdb 100644
--- a/include/omath/projection/camera.hpp
+++ b/include/omath/projection/camera.hpp
@@ -186,6 +186,18 @@ namespace omath::projection
 
         [[nodiscard]] Vector3<float> ndc_to_screen_position(const Vector3<float>& ndc) const noexcept
         {
+/*
+                    ^
+                    |        y
+                1   |
+                    |
+                    |
+        -1 ---------0--------- 1  --> x
+                    |
+                    |
+               -1   |
+                    v
+*/
             return {(ndc.x + 1.f) / 2.f * m_view_port.m_width, (1.f - ndc.y) / 2.f * m_view_port.m_height, ndc.z};
         }
     };