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-rw-r--r--assets/shaders/vertex.glsl6
1 files changed, 5 insertions, 1 deletions
diff --git a/assets/shaders/vertex.glsl b/assets/shaders/vertex.glsl
index 1ad43f4..c59d6cd 100644
--- a/assets/shaders/vertex.glsl
+++ b/assets/shaders/vertex.glsl
@@ -5,11 +5,15 @@ uniform mat4 view_matrix;
 uniform mat4 projection_matrix;
 
 layout (location = 0) in vec3 position;
-layout (location = 1) in vec2 tex_coord;
+layout (location = 1) in vec3 normal;
+layout (location = 2) in vec2 tex_coord;
 
 out vec2 frag_tex_coord;
+out vec3 surface_normal;
 
 void main() {
     gl_Position = projection_matrix * view_matrix * model_matrix * vec4(position, 1.0);
     frag_tex_coord = tex_coord;
+
+    surface_normal = (model_matrix * vec4(normal, 0.0)).xyz;
 }
\ No newline at end of file