d8d5ea8b6a
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.
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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