003

void main(){
    vec3 c =black;
    float f = snoise(vec3(uv().x , uv().y, speed.y * 0.025));
    c += hsv2rgb(vec3(f *(1.0 + 1.0 * bands.x), 0.75, 0.75));
    gl_FragColor= vec4(c, 1.0);
}