// VIDEO TRAILS — feedback zoom + chroma split over the live content, both
// riding the beat through bindings. The classic VJ feedback wash.
{
    name: "Video Trails"
    engine: "screen"
    input0: "test"

    // PERFORMANCE DIALS — mid-knob = the stock look, exact.
    p0: 0.5  p1: 0.5  p2: 0.5
    dials: [
        {name: "TRAIL", bind: "p0", default: 0.5},
        {name: "SPLIT", bind: "p1", default: 0.5},
        {name: "SPIN", bind: "p2", default: 0.5}
    ]

    stages: [
        {kind: "feedback", amount: "min((0.7 + pulse * 0.25) * (0.25 + 1.5*p0), 0.97)", zoom: 1.02,
         rotate: "sin(bar * tau) * 0.01 + (p2-0.5)*0.04", dim: 0.96},
        {kind: "chroma", p1: "(pulse * 0.6) * (0.2 + 1.6*p1)", p2: "bar"}
    ]
}