makepad/apps/vj/resources/effects/118_trans_slat_sweep_u.splash
Arena Agent d8d5ea8b6a Repair integration manifests and port nigig exports onto upstream widget families
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.
2026-10-26 11:23:26 +00:00

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// SLAT SWEEP U — the frame splits into vertical slats; every slat fills
// from the bottom upward at once, deck B rising behind deck A like a
// bank of level meters. COUNT sets the slat count.
{
name: "Slat Sweep U"
engine: "transition"
p1: 0.5
dials: [
{name: "SOFT", bind: "p0", default: 0.15},
{name: "COUNT", bind: "p1", default: 0.5},
{name: "DIP", bind: "p2", default: 0.0}
]
shader: draw.DrawVjFxDuo {
trans: fn(uv: vec2, t: float) -> vec4 {
let n = 5.0 + floor(self.user.y * 15.0)
let cell = fract(uv.x * n)
let soft = 0.01 + self.user.x * 0.25
let field = 1.0 - uv.y
let tt = t * (1.0 + 2.0 * soft) - soft
let m = smoothstep(tt - soft, tt + soft, field)
let seam = smoothstep(0.0, 0.04, cell) * smoothstep(0.0, 0.04, 1.0 - cell)
let c = self.deck_b(uv).mix(self.deck_a(uv), m)
let dip = 1.0 - 4.0 * clamp(t, 0.0, 1.0) * (1.0 - clamp(t, 0.0, 1.0)) * self.user.z * 0.9
let dim = dip * (0.82 + 0.18 * seam)
return vec4(c.xyz * dim, 1.0)
}
}
}