blob: d742fcdb32b773c79f3449522abd184135a9b9d0 [file] [log] [blame]
half4 main(half4 a){half b=(1.-abs(2.*a.z-1.))*a.y;half3 c=a.xxx+half3(0.,.6666667,.333333343);half3 d=saturate(abs(fract(c)*6.-3.)-1.);return half4((d-.5)*b+a.z,1.);}