From bf39fef7eed69e6d5ecfa272607cbf0fcc53b9a6 Mon Sep 17 00:00:00 2001
From: vimene <vincent.menegaux@gmail.com>
Date: Sat, 9 Dec 2023 06:33:39 +0100
Subject: fixed perspective calculations

---
 src/o3d/deriv_vertex.h | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/o3d/deriv_vertex.h

(limited to 'src/o3d/deriv_vertex.h')

diff --git a/src/o3d/deriv_vertex.h b/src/o3d/deriv_vertex.h
new file mode 100644
index 0000000..8945696
--- /dev/null
+++ b/src/o3d/deriv_vertex.h
@@ -0,0 +1,19 @@
+#ifndef O3D_DERIV_VERTEX_H
+#define O3D_DERIV_VERTEX_H
+
+#include "math/vector.h"
+
+namespace engine::o3d {
+
+class DerivedVertex4 {
+    public:
+        engine::math::Vector4 point;
+        float b0, b1;
+
+        DerivedVertex4(engine::math::Vector4 point, float b0, float b1);
+        DerivedVertex4 div_by_w() const;
+};
+
+}
+
+#endif // O3D_DERIV_VERTEX_H
-- 
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