From bd49bd525f4c6c6c15c4142bf42d1dd38be6fc16 Mon Sep 17 00:00:00 2001
From: pryazha <pryadeiniv@mail.ru>
Date: Sun, 19 Jan 2025 17:33:44 +0500
Subject: initial commit

---
 geometry_shader/shaders/normals.vs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 geometry_shader/shaders/normals.vs

(limited to 'geometry_shader/shaders/normals.vs')

diff --git a/geometry_shader/shaders/normals.vs b/geometry_shader/shaders/normals.vs
new file mode 100644
index 0000000..3b728e5
--- /dev/null
+++ b/geometry_shader/shaders/normals.vs
@@ -0,0 +1,18 @@
+#version 330 core
+layout(location = 0) in vec3 apos;
+layout(location = 1) in vec3 anormal;
+
+out VS_OUT {
+    vec3 normal;
+} vs_out;
+
+uniform mat4 view;
+uniform mat4 model;
+
+void
+main(void)
+{
+    mat3 normal_matrix = mat3(transpose(inverse(view*model)));
+    vs_out.normal = normalize(normal_matrix*anormal);
+    gl_Position = view*model*vec4(apos, 1.0);
+}
-- 
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