// RGB split that ripples down the image and gets pushed around by your movement.
// order 60
// slider amount 0.0 0.05 0.012
// slider waves 1.0 80.0 24.0
// slider speed 0.0 10.0 3.0
// slider react 0.0 3.0 1.0
float4 effect(float2 uv, Inputs in) {
    float2 d = float2(in.p.amount * sin(uv.y * in.p.waves + in.time * in.p.speed), 0.0);
    d += in.flow.sample(in.smp, uv).xy * in.p.react;
    return float4(in.image.sample(in.smp, uv + d).r,
                  in.image.sample(in.smp, uv).g,
                  in.image.sample(in.smp, uv - d).b, 1.0);
}