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.
61 lines
2.1 KiB
Text
61 lines
2.1 KiB
Text
// BEAT LENS — the optics preset: blobby GLASS floats in front of the
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// camera and the channel's content (input0) is seen THROUGH it, bent by a
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// real Snell refraction whose strength rides the pulse (p3). Pattern
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// taught: a scene material < 0 marks glass — the base marcher refracts
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// once and samples input0 along the bent ray; total internal reflection
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// falls back to a mirror bounce (branched, never mix-guarded).
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{
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name: "Beat Lens"
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engine: "raymarch"
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steps: 56
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max_dist: 20.0
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cam: "dolly"
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cam_speed: 0.5
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cam_dist: 5.2
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cam_height: 0.4
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cam_fov: 52.0
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shadow: 0
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beat_pulse: "0.8 * (0.2 + 1.6*p0)"
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beat_rate: 1.0
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fog: "0.03 * (0.2 + 1.6*p2)"
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glow: "0.25 + 1.5*p1"
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p3: "0.15 + 0.5 * pulse" // IOR bend breathes on the beat (and the
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// transition slot drives p3 with its engage
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// triangle — the lens bends open mid-fade)
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// PERFORMANCE DIALS — mid-knob = the stock look, exact.
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p0: 0.5 p1: 0.5 p2: 0.5
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dials: [
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{name: "PUMP", bind: "p0", default: 0.5},
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{name: "GLOW", bind: "p1", default: 0.5},
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{name: "HAZE", bind: "p2", default: 0.5}
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]
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input0: "test"
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color_bg: #x101018
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color_a: #x3060ff
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color_b: #x20d0ff
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color_c: #xffffff
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stages: [
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{kind: "bloom", threshold: 0.6, strength: 1.0, levels: 2}
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]
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shader: draw.DrawVjFxRaymarch {
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scene_sdf: fn(p: vec3) -> vec2 {
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// Three lens-blobs breathing around the view axis.
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let t = self.time_beat.x
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let c1 = vec3(sin(t * 0.51) * 1.7, sin(t * 0.73) * 1.0, sin(t * 0.37) * 0.7)
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let c2 = vec3(cos(t * 0.61 + 2.0) * 1.4, cos(t * 0.43 + 1.0) * 1.2, cos(t * 0.53) * 0.6)
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let c3 = vec3(sin(t * 0.29 + 4.2) * 1.1, cos(t * 0.67 + 3.1) * 0.8, sin(t * 0.47 + 1.7) * 0.8)
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let mut d = length(p - c1) - 1.15
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d = self.smin(d, length(p - c2) - 0.95, 0.7)
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d = self.smin(d, length(p - c3) - 0.80, 0.7)
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// material -1 = GLASS: refract and sample input0.
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return vec2(d, 0.0 - 1.0)
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}
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}
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}
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