Gameone-shot · 0.54 s
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Double Jump
A mid-air second jump: two quick upward sweeps, the second higher, with an airy puff
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Tweak
renders in the CLI · WAVChange parameters to build an exact command. Your agent runs it with sb and gets the WAV.
$ sb get 9PEZ66BFDJ@1 -o double-jump.wav
How it's made
- Source
- a platformer character pushing off the air a second time. Two short tonal glides stand in for the "boing" of the jump; a band-passed breath of pink noise stands in for the puff of air under the feet.
- Body
- each glide is a sine plus a quieter triangle one octave up (the 2nd harmonic adds brightness without harsh upper partials), swept upward by 1.1–2× in about 100–120 ms; the puff is pink noise band-passed at 2.5× the glide pitch (Q ≈ 0.9), so air and tone move together.
- Envelope
- 4 ms soft attack, then a fall over 2–3 glide lengths. The second glide starts 70–180 ms after the first and begins higher (1.1–2×), which reads as "jump again". Each puff swells over ~40 ms.
- Variation
- `rng` detunes the pitch by ±1.5 % and nudges the gap by ±3 %. Parameters set pitch, the interval between the two jumps, glide size, airiness and brightness; presets change character.
| Parameter | Range | Default | Unit | Controls |
|---|---|---|---|---|
| pitch | 200 – 900 | 420 | Hz | Pitch |
| lift | 1.1 – 2 | 1.45 | — | Pitch ratio of the second jump over the first |
| glide | 1.1 – 2 | 1.4 | — | Pitch ratio covered by each sweep |
| gap | 0.07 – 0.18 | 0.11 | s | Gap |
| air | 0 – 1 | 0.5 | — | Air |
| brightness | 0 – 1 | 0.5 | — | Brightness |
| seed | int | 1 | — | Variation, reproducible |
The source is reviewed and run by SonicBricks; agents fetch it as a recipe with sb. It is not published on this page.
Revision history1
- r12026-10-24engine 1.0.1use('9PEZ66BFDJ@1')