makepad/apps/vj/resources/effects/172_multi_crop.splash
Admin cb49b032df vjfx: 104 presets, engine hooks + hold stage, the videomesh engine, the audio picture, livecodable effects, and mp4 thumbnail sheets
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
2026-08-26 08:49:48 +02:00

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// MULTI CROP — the same cropped window sampled again into a tiled grid:
// N copies of one framing, breathing together on the beat.
{
name: "Multi Crop"
engine: "screen"
input0: "test"
p0: 0.5 p1: 0.5 p2: 0.5
dials: [
{name: "WINDOW", bind: "p0", default: 0.5},
{name: "GRID", bind: "p1", default: 0.5},
{name: "PULSE", bind: "p2", default: 0.5}
]
stages: [
{kind: "bloom", threshold: 0.6, strength: 1.05, levels: 2}
]
shader: draw.DrawVjFxScreen {
fx_color: fn(uv: vec2, content: vec4, cmix: float) -> vec4 {
let cols = floor(mix(1.0, 6.0, self.user.y) + 0.5)
let cell = fract(uv * cols)
let winsz = (0.25 + 0.55 * self.user.x) * (1.0 - self.time_beat.w * 0.12 * (0.2 + 1.6 * self.user.z))
let lo = vec2(0.5, 0.5) - vec2(winsz, winsz) * 0.5
let src = lo + cell * winsz
let tex = self.tex0.sample_as_bgra(clamp(src, vec2(0.0, 0.0), vec2(1.0, 1.0)))
return vec4(tex.xyz, 1.0)
}
}
}