// VHS BREAKUP — the degraded-tape look: glitch slices + chroma bleed +
// posterize crush, all pumping with the beat. Three stacked warps.
{
    name: "VHS Breakup"
    engine: "screen"
    input0: "test"

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

    stages: [
        {kind: "glitch", p1: 0.75, p2: "(0.15 + pulse * 0.7) * (0.2 + 1.6*p0)"},
        {kind: "chroma", p1: "(0.2 + pulse * 0.5) * (0.2 + 1.6*p1)", p2: 0.0},
        {kind: "posterize", p1: "0.55 + (0.5 - p2)*0.6", p2: 0.55}
    ]
}