1 files changed, 16 insertions, 0 deletions
diff --git a/advanced_opengl/6.cubemaps/shaders/reflection.frag b/advanced_opengl/6.cubemaps/shaders/reflection.frag
new file mode 100644
index 0000000..72b1c0d
--- /dev/null
+++ b/advanced_opengl/6.cubemaps/shaders/reflection.frag
@@ -0,0 +1,16 @@
+#version 330 core
+
+in vec3 pos;
+in vec3 normal;
+
+out vec4 frag_color;
+
+uniform vec3 camera_pos;
+uniform samplerCube skybox;
+
+void main(void)
+{
+    vec3 i = pos-camera_pos;
+    vec3 r = reflect(i, normalize(normal));
+    frag_color = texture(skybox, r);
+}