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.
68 lines
2.4 KiB
Text
68 lines
2.4 KiB
Text
// THUNDER VEINS — lightning as an L-system: huge angle jitter turns the
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// bracketed rule into forked bolts, and a ONE-BEAT growth loop makes it
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// STRIKE on every beat. Pattern taught: grow_beats 1 = per-beat regrowth.
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{
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name: "Thunder Veins"
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engine: "lsystem"
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seed: 66
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axiom: "X"
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rules: ["X=F[+X][-X]FX", "F=F!F"]
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iterations: 6
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angle: 18.0
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angle_jitter: 24.0
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step: 0.09
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radius: 0.035
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radius_decay: 0.88
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sides: 3
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// The bolt stays fully built; the STROBE lives in the glow binding —
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// near-dark between beats, white-hot on the hit. (A growth loop reads
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// as drawing, not striking.)
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sway: 0.1
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speed: 1.4
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beat_pulse: "1.2 * (0.2 + 1.6*p2)"
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glow: "(0.15 + env(phase) * 2.8) * (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: "STROBE", bind: "p0", default: 0.5},
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{name: "TRAIL", bind: "p1", default: 0.5},
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{name: "PUMP", bind: "p2", default: 0.5}
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]
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color_bg: #x030308
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color_a: #x99bbff
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color_b: #xffffff
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color_c: #xcce0ff
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cam_orbit: 0.05
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fog: 0.02
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stages: [
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{kind: "bloom", threshold: 0.3, strength: 1.8, levels: 3},
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{kind: "feedback", amount: "min(0.6 + (p1-0.5)*0.7, 0.97)", zoom: 1.0, rotate: 0.0, dim: 0.82}
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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 = arc from the root 0..1, attr = (depth, arc, hue, tube radius).
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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.DrawVjFxMesh {
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fx_displace: fn(pos: vec3, normal: vec3, attr: vec4) -> vec3 {
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return vec3(0.0, 0.0, 0.0)
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}
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fx_color: fn(t: float, attr: vec4, normal: vec3, wpos: vec3) -> vec4 {
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let base = self.col_a.mix(self.col_b, clamp(attr.z, 0.0, 1.0))
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let tip = self.col_c * (clamp(t, 0.0, 1.0) * 0.35)
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let flash = self.col_c * (self.time_beat.w * 0.5)
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return vec4(base.xyz + tip.xyz + flash.xyz, 1.0)
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}
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}
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}
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