
Engine · v4.0.0
Valentine's
A heart drawn by your waveform that beats with the kick, among roses, petals, ribbons and soft bokeh.

6 modes
Launch modes






35 controls
Controls
| Control | Group | Type | Default | Animation | Audio |
|---|---|---|---|---|---|
| Primary colorPrimary color used by the engine palette | Style | color | #ff4d7d | Yes | No |
| Secondary colorSecondary color used by the engine palette | Style | color | #ffc2d4 | Yes | No |
| BackgroundBackground used by the engine palette | Style | color | #14040c | Yes | No |
| OpacityVisualizer opacity | Transform | range | 1 | Yes | No |
| SensitivityBounded overall audio response | Audio | range | 1 | Yes | No |
| Spectrum rangeHow much of the 40 Hz to 14 kHz range the visual spans, from the bass up. Lower it to give the bass and mids more of the bars | Audio | range | 1 | Yes | No |
| Frequency scaleHow the bars are spread across the frequencies. Log spreads them by octave, mel by how pitch is heard, and linear by hertz, which gives most bars to the highs | Audio | select | log | No | No |
| Auto-levelLifts every part of the spectrum to its own recent range, so quiet highs move as much as loud bass. A note held for several seconds settles lower as it adapts. 0 shows the raw spectrum | Audio | range | 0.8 | Yes | No |
| Primary audio sourcePrimary audio source | Audio | select | bass | No | No |
| Frequency focusWhich part of the spectrum drives this visual; while no explicit audio source is set, the motion envelope follows this selection | Audio | select | full | No | No |
| Burst intensityGlow and trail swell on sharp hits; 0 keeps bursts off | Audio | range | 0 | Yes | No |
| Ambient bedProminence of the standing background layer behind the beat-born elements | Effects | range | 1 | Yes | No |
| Wake lengthHow far motion trails stretch behind beat-born travelers; 0 removes the wake | Effects | range | 1 | Yes | No |
| Audio contributionMaximum contribution from the primary audio route | Audio | range | 0.55 | Yes | No |
| Audio dynamicsHow much of the band's movement reaches the visual. 1 = full dynamics; 0 holds it at a steady level for a calmer, more constant look | Audio | range | 1 | Yes | No |
| Audio attackEnvelope attack in milliseconds | Audio | range | 45 | Yes | No |
| Audio releaseEnvelope release in milliseconds | Audio | range | 240 | Yes | No |
| Geometry scaleGeometry scale | Geometry | range | 1 | Yes | Yes |
| SpeedTime-based motion; default major cycle is 6–12 seconds | Motion | range | 0.1 | Yes | Yes |
| Color modeDuo palette, primary→secondary gradient, or full rainbow sweep | Style | select | duo | No | No |
| GlowGlow | Effects | range | 0.55 | Yes | Yes |
| Global glowShared emissive strength across the frame | Effects | range | 0.35 | Yes | Yes |
| Pulse intensityBeat pulse scale for spawn, size, and shake | Effects | range | 1 | Yes | Yes |
| Beat responseHow hard every engine hits on each detected beat | Audio | range | 1.2 | Yes | Yes |
| Beat smoothingHow long each beat hit rings out before it settles | Audio | range | 0.35 | Yes | Yes |
| Beat attackSeconds for a hit to swell to full. 0 snaps instantly | Audio | range | 0 | Yes | Yes |
| Beat releaseSeconds for a hit to fade, overriding Beat smoothing. 0 follows it | Audio | range | 0 | Yes | Yes |
| Beat shakeFrame kick strength on each beat | Effects | range | 0.6 | Yes | Yes |
| Motion echoMotion echo | Effects | range | 0 | Yes | Yes |
| BlurBlur | Effects | range | 0 | Yes | Yes |
| Chromatic aberrationChromatic aberration | Effects | range | 0 | Yes | Yes |
| Beat sync allRoute beat energy into spawn, shake, pulse, speed, and scale | Audio | boolean | true | No | No |
| Heart sizeSize of the centrepiece: the heart, the rose, the ribbon knot or the neon sign | Scene | range | 1 | Yes | Yes |
| PetalsHow many rose petals drift through the scene | Scene | range | 0.5 | Yes | Yes |
| GreetingA short line such as "Be mine", written along the ribbons or lit inside the neon heart. Empty shows none | Scene | text | No | No |