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
36 lines
1.3 KiB
Text
36 lines
1.3 KiB
Text
// MIRROR STRIP — the frame cut into bands, every other band mirrored;
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// the band seam slowly scrolls across, a moving mirrored grating.
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{
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name: "Mirror Strip"
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engine: "screen"
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input0: "test"
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p0: 0.5 p1: 0.5 p2: 0.5
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dials: [
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{name: "WIDTH", bind: "p0", default: 0.5},
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{name: "SCROLL", bind: "p1", default: 0.5},
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{name: "GLOW", bind: "p2", default: 0.5}
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]
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stages: [
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{kind: "bloom", threshold: 0.6, strength: 1.05, levels: 2}
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]
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shader: draw.DrawVjFxScreen {
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fx_color: fn(uv: vec2, content: vec4, cmix: float) -> vec4 {
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let bandw = mix(0.04, 0.22, self.user.x)
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let scroll = modf(self.time_beat.x * 0.04 * (0.2 + 1.6 * self.user.y), bandw)
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let bx = uv.x + scroll
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let idx = floor(bx / bandw)
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let local = fract(bx / bandw)
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let odd = modf(idx, 2.0)
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let mlocal = mix(local, 1.0 - local, step(0.5, odd))
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let band0 = idx * bandw - scroll
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let wx = band0 + mlocal * bandw
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let w = vec2(clamp(wx, 0.0, 1.0), uv.y)
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let tex = self.tex0.sample_as_bgra(w)
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let seam = smoothstep(0.0, 0.02 + 0.06 * self.user.z, min(local, 1.0 - local))
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return vec4(tex.xyz * (0.55 + 0.45 * seam), 1.0)
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}
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}
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}
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