Learning cubemaps, added reflections

1 files changed, 14 insertions, 0 deletions

diff --git a/source/shaders/refl.fs.glsl b/source/shaders/refl.fs.glsl
new file mode 100644
index 0000000..6d28392
--- /dev/null
+++ b/source/shaders/refl.fs.glsl
@@ -0,0 +1,14 @@
+#version 330 core
+
+in vec3 Normal;
+in vec3 Position;
+
+uniform samplerCube skybox;
+uniform vec3 cameraPos;
+out vec4 FragColor;
+
+void main() {
+  vec3 I = normalize(Position - cameraPos);
+  vec3 R = reflect(I, normalize(Normal)); 
+  FragColor = vec4(texture(skybox, R).rgb, 1.0);
+};