- Qt 6.6
- Qt Quick 3D
- Qt Quick 3D Examples and Tutorials
- Qt Quick 3D - Custom Materials Example
- Qt Quick 3D | Commercial or GPLv3

# Qt Quick 3D - Custom Materials Example

     void MAIN()
     {
         vec2 size = vec2(textureSize(SCREEN_TEXTURE, 0));
         vec2 uv = FRAGCOORD.xy / size;

         vec3 view = normalize(VIEW_VECTOR);
         vec3 projection = view - view * normalize(NORMAL);
         vec3 refraction = projection * projection;
         uv += refraction.xy * 0.5;

         vec3 col = texture(SCREEN_TEXTURE, uv).rgb;
         col = col * 0.8 + vec3(0.2);

         BASE_COLOR = vec4(col, 1.0);
     }