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); }