d8d5ea8b6a
Restore missing required asset/flow packages from the pinned nigig revision; retain upstream script isolation, X11 hover, and widget-core fixes. Validated makepad-widgets data feature with Rust 1.97.1.
58 lines
2 KiB
Text
58 lines
2 KiB
Text
// LISSAJOUS SCOPE — flying through an oscilloscope figure: the tunnel's
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// centerline is a 3:2 Lissajous curve, phosphor-green on black, thin
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// bands. Pattern taught: `path: "lissajous"` + knot_p/q as frequencies.
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{
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name: "Lissajous Scope"
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engine: "tunnel"
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path: "lissajous"
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knot_p: 3.0
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knot_q: 2.0
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major: 6.5
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tube: 1.1
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rings: 900
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sides: 18
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fly: 3.6
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bands: 160.0
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beat_pulse: "0.6 * (0.2 + 1.6*p0)"
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// PERFORMANCE DIALS — mid-knob = the stock look, exact.
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p0: 0.5 p1: 0.5 p2: 0.5
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dials: [
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{name: "PUMP", bind: "p0", default: 0.5},
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{name: "GLOW", bind: "p1", default: 0.5},
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{name: "FLARE", bind: "p2", default: 0.5}
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]
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color_bg: #x020604
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color_a: #x33ff88
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color_b: #x11aa55
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color_c: #xbbffcc
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fog: 0.09
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glow: "1.3 * (0.25 + 1.5*p1)"
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stages: [
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{kind: "bloom", threshold: "clamp(0.35 - (p2-0.5)*0.5, 0.02, 0.95)", strength: 1.6, levels: 3}
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]
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// THE LOOK LIVES HERE. This block is not a reference to the
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// engine's shader — it IS the pixel math this effect runs.
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// Rewrite it and the effect looks different; everything else
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// (geometry, motion, the content coupling, the beat) keeps
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// working, because the block SUBCLASSES the engine shader.
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// Inputs: t = along the bore 0..1, attr = (around, along, ring hash,
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// radius), content = the wall texel at this vertex, cmix = the
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// pre-gated content strength (0 without real channel video). The
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// wall DRAPE has its own pixel hook, `fx_wall` — this tunnel keeps
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// the stock one.
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// Signals: self.time_beat (time, beat, phase, pulse),
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// self.sig (bar, bpm, energy, dt), self.user (p0..p3),
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// self.col_a/b/c/bg, self.fog (density, glow, content, -).
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shader: draw.DrawVjFxTunnel {
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fx_color: fn(t: float, attr: vec4, normal: vec3, wpos: vec3,
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content: vec4, cmix: float) -> vec4 {
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return self.col_a.mix(self.col_b, t)
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}
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}
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}
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