cb49b032df
Squashed from work; the fine-grained history is under tag archive/work-2026-08-26: - vjfx: 104 new presets — the transition lane fills out and the screen family goes wide - vjfx: three lanes land — engine hooks + hold stage, the videomesh engine, and the audio picture - vj: the thumbnail pipeline becomes one honest machine, and effects go livecodable - vj: thumbnails become mp4 — hardware-coded sheets at measured-4K cells, and the bake stops racing the GPU - store: the ceremony dies — batch publish, one transaction, and the engine stops re-reading its own log - store: the ceremony dies — batch publish, one transaction, and the engine stops re-reading its own log - vj: the console grows real transports, and the deck stops lying about reverse - vj: reverse earns a memory, and the effects stop aging - fab: a 3D creation shell and the viewer built on it
60 lines
1.9 KiB
Text
60 lines
1.9 KiB
Text
// PIXEL SWELL — every particle carries one texel of input0, sitting on
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// the flat picture grid but lifted by two slightly detuned sine sheets,
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// so the surface swells like an interference pattern instead of a plane.
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{
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name: "Pixel Swell"
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engine: "particles"
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mode: "image"
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seed: 160
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input0: "test"
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count: 14400
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spread: 6.0
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size: 0.085
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rate: 0.0
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beat_pulse: "0.4 * (0.2 + 1.6*p2)"
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beat_rate: 1.0
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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: "FREQ", bind: "p0", default: 0.5},
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{name: "DETUNE", bind: "p1", default: 0.5},
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{name: "SWELL", bind: "p2", default: 0.5}
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]
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color_bg: #x050508
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color_a: #xffffff
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color_b: #xffffff
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color_c: #xffffff
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cam_dist: 7.5
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cam_height: 0.0
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cam_orbit: 0.0
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fog: 0.0
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stages: [
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{kind: "bloom", threshold: 0.55, strength: "1.1 * (0.25 + 1.5*p2)", levels: 2}
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]
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// THE LOOK LIVES HERE: fx_center is the whole motion program — the
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// grid HOME stays put in X/Y, Z rides two detuned sine sheets summed
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// together. Params: mode/id/dir/t01/cyc/r0/r1.
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shader: draw.DrawVjFxParticles {
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fx_center: fn(mode: float, id: float, dir: vec3, t01: float, cyc: float, r0: float, r1: float) -> vec3 {
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let spread = self.shape.y
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let w = self.shape.w
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let gx = modf(id, w)
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let gy = floor(id / w)
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let u = gx / w - 0.5
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let v = 0.5 - gy / w
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let freq = 3.0 + 10.0 * self.user.x
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let detune = 0.15 + 0.6 * self.user.y
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let amp = spread * (0.06 + 0.3 * self.user.z)
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let w1 = sin(u * freq + self.time_beat.x * 0.9)
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let w2 = sin(v * freq * (1.0 + detune) - self.time_beat.x * (0.9 + detune))
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let z = (w1 + w2) * 0.5 * amp
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return vec3(u * spread * 1.2, v * spread * 1.2, z)
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}
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}
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}
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