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.
32 lines
1.4 KiB
Text
32 lines
1.4 KiB
Text
// ADDITIVE MIX — the MX50's luminance add: deck B's light POURS INTO deck
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// A instead of replacing it (white areas bloom, black adds nothing).
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// GAIN pushes B hotter before the add. Ride the fader for how much light.
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{
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name: "Additive Mix"
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engine: "transition"
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// Overlay semantics: ridden to the fader's end the key STAYS fully
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// applied (the composite is the destination) — never a snap to
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// plain B. Zero only at the A end.
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engage: "ramp"
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p1: 0.5
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dials: [
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{name: "GAIN", bind: "p0", default: 0.5},
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{name: "CURVE", bind: "p1", default: 0.5},
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{name: "KEY", 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 a = self.deck_a(uv)
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let b = self.deck_b(uv)
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let gain = 0.5 + self.user.x * 1.5
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// CURVE bends the pour's fader response (1:1 at mid-knob).
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let tt = pow(clamp(t, 0.0, 1.0), pow(4.0, self.user.y * 2.0 - 1.0))
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// KEY gates the add by B's own luminance: 0 = plain add,
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// full = only B's bright parts pour.
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let luma = dot(b.xyz, vec3(0.2126, 0.7152, 0.0722))
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let gate = mix(1.0, smoothstep(0.25, 0.75, luma), self.user.z)
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let c = a.xyz + b.xyz * gain * tt * gate
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return vec4(min(c.x, 1.0), min(c.y, 1.0), min(c.z, 1.0), 1.0)
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}
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}
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}
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