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.
88 lines
3.1 KiB
Text
88 lines
3.1 KiB
Text
// AMBER EXCHANGE — the after-hours amber terminal: a faster two-candles-
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// per-beat tape in old-monitor amber, drifting sideways with a slow orbit
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// so the plane catches parallax, and a soft feedback smear that makes the
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// phosphor linger. Pattern taught: the chart is a MESH in 3D space — a
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// whisper of cam_orbit turns the flat terminal into a floating pane.
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{
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name: "Amber Exchange"
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engine: "stockcharts"
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seed: 58
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candles: 140
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per_beat: 2
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vol: 1.2
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drift: 0.0
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spike: 1.2
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ma: 8
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grid_x: 8
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grid_y: 6
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scan: 12
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width: 16
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height: 7
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beat_pulse: 0.4
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p0: 0.1
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p1: "0.2 + 0.5*pulse"
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// PERFORMANCE DIALS — the chart engine's own p-levers: GAIN drives
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// the phosphor, XHAIR holds the crosshair pump when touched, PANIC
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// floods the board red.
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dials: [
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{name: "GAIN", bind: "p0", default: 0.1},
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{name: "XHAIR", bind: "p1", default: 0.5},
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{name: "PANIC", bind: "p2", default: 0.0}
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]
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color_bg: #x0a0602
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color_a: #xffb433
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color_b: #x8a5410
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color_c: #xffe6b0
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cam_orbit: 0.045
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cam_fov: 42
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fog: 0.0
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glow: 1.15
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stages: [
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{kind: "bloom", threshold: 0.45, strength: 1.1, levels: 2},
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{kind: "feedback", amount: 0.35, zoom: 1.0, rotate: 0.0, dim: 0.94}
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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 = candle age 0..1, attr = (element class, age, up/down, move size).
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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.DrawVjFxCharts {
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fx_color: fn(t: float, attr: vec4, normal: vec3, wpos: vec3) -> vec4 {
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let class = attr.x
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if class < 0.5 {
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// Candle body: col_a up / col_b down, big moves burn.
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let base = self.col_b.mix(self.col_a, step(0.5, attr.z))
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let burn = 0.75 + attr.w * 0.7 + self.time_beat.w * (1.0 - t) * 0.6
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return vec4(base.xyz * burn, 1.0 - t * 0.55)
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}
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if class < 1.5 {
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let base = self.col_b.mix(self.col_a, step(0.5, attr.z))
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return vec4(base.xyz * 0.55, (1.0 - t * 0.55) * 0.8)
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}
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if class < 2.5 {
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return vec4(self.col_a.xyz * 0.16, 0.5)
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}
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if class < 3.5 {
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// Kept modest: the bloom stage amplifies this line, and an
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// over-gained crosshair blows out into a white bar.
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let g = 0.55 + self.user.y * 0.5 + self.time_beat.w * 0.25
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return vec4(self.col_c.xyz * g, 0.8)
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}
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if class < 4.5 {
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return vec4(self.col_c.xyz * 0.5 + self.col_a.xyz * 0.4, 0.85)
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}
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return vec4(self.col_a.xyz * 0.6, 0.9)
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}
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}
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}
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