1 2out vec4 sk_FragColor; 3uniform vec4 pos1; 4uniform vec4 pos2; 5uniform vec4 colorGreen; 6uniform vec4 colorRed; 7vec4 main() { 8 vec4 expected = vec4(3.0, 3.0, 5.0, 13.0); 9 return ((((((distance(pos1.x, pos2.x) == expected.x && distance(pos1.xy, pos2.xy) == expected.y) && distance(pos1.xyz, pos2.xyz) == expected.z) && distance(pos1, pos2) == expected.w) && 3.0 == expected.x) && 3.0 == expected.y) && 5.0 == expected.z) && 13.0 == expected.w ? colorGreen : colorRed; 10} 11