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
25 lines
1 KiB
Text
25 lines
1 KiB
Text
// ROTO WIPE — an angular gradient spins around the centre like a clock
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// hand sweeping the frame open; deck B pours in following the spin. ROT
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// dials in a static rotation offset, FLIP reverses the spin direction.
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{
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name: "Roto Wipe"
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engine: "transition"
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dials: [
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{name: "SOFT", bind: "p0", default: 0.08},
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{name: "ROT", bind: "p1", default: 0.0},
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{name: "FLIP", bind: "p2", default: 0.0}
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]
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shader: draw.DrawVjFxDuo {
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trans: fn(uv: vec2, t: float) -> vec4 {
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let p = vec2((uv.x - 0.5) * self.aspect(), uv.y - 0.5)
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let ang = atan2(p.y, p.x)
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let spin = self.user.y * 6.28319
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let mut field = fract((ang + spin) / 6.28319 + 0.5)
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field = mix(field, 1.0 - field, step(0.5, self.user.z))
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let soft = 0.005 + self.user.x * 0.2
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let tt = t * (1.0 + 2.0 * soft) - soft
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let m = smoothstep(tt - soft, tt + soft, field)
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return self.deck_b(uv).mix(self.deck_a(uv), m)
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}
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}
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}
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