1varying vec3 worldNormal;
2
3// This is where actual shader code begins
4void main() {
5   vec4 worldPos = UNI_model * ATTRIB_position;
6   gl_Position = UNI_proj * worldPos;
7
8   mat3 model3 = mat3(UNI_model[0].xyz, UNI_model[1].xyz, UNI_model[2].xyz);
9   worldNormal = model3 * ATTRIB_normal;
10}
11