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Engine · v4.0.0

Trails

Tapered light trails with white-hot heads and cooling tails, in three depth planes.

Trails engine preview

6 modes

Launch modes

Comet Shower mode

Comet Shower

A great comet whose tail fans out across the spectrum, over a three-layer meteor shower.

Ribbon Flow mode

Ribbon Flow

Wide silk ribbons of light swirling around the centre along a smooth flow.

Snake/Braid mode

Snake/Braid

Braided light strands slithering in a figure eight; the lead braid twists on every kick.

Orbit Trace mode

Orbit Trace

Lights on tilted orbits around your cover art, passing behind it and in front.

Flow Field mode

Flow Field

Dense streaks reveal a curl field turning around a central vortex that re-forms each section.

Echo Streaks mode

Echo Streaks

A band of streaks with stroboscopic after-images that turns to a new heading each phrase.

50 controls

Controls

ControlGroupTypeDefaultAnimationAudio
Primary colorPrimary color used by the engine paletteStylecolor#a3e635YesNo
Secondary colorSecondary color used by the engine paletteStylecolor#22d3eeYesNo
BackgroundBackground used by the engine paletteStylecolor#030806YesNo
OpacityVisualizer opacityTransformrange1YesNo
SensitivityBounded overall audio responseAudiorange1YesNo
Primary audio sourcePrimary audio sourceAudioselectbassNoNo
Frequency focusWhich part of the spectrum drives this visual; while no explicit audio source is set, the motion envelope follows this selectionAudioselectfullNoNo
Burst intensityGlow and trail swell on sharp hits; 0 keeps bursts offAudiorange0YesNo
Ambient bedProminence of the standing background layer behind the beat-born elementsEffectsrange1YesNo
Wake lengthHow far motion trails stretch behind beat-born travelers; 0 removes the wakeEffectsrange1YesNo
Audio contributionMaximum contribution from the primary audio routeAudiorange0.55YesNo
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 lookAudiorange1YesNo
Audio attackEnvelope attack in millisecondsAudiorange45YesNo
Audio releaseEnvelope release in millisecondsAudiorange240YesNo
GeometryGeometryGeometryselectcircleNoNo
Geometry scaleGeometry scaleGeometryrange1YesYes
ThicknessThicknessGeometryrange2YesYes
Direction XNormalized horizontal motion directionMotionrange0YesNo
Direction YNormalized vertical motion directionMotionrange-0.15YesNo
Motion directionRotate the animated visual pass to face this direction; the general background stays fixedMotionselectnoneNoNo
SpeedTime-based motion; default major cycle is 6–12 secondsMotionrange0.1YesYes
TurbulenceTurbulenceMotionrange0.15YesYes
Color modeDuo palette, primary→secondary gradient, or full rainbow sweepStyleselectduoNoNo
GlowGlowEffectsrange0.55YesYes
Global glowShared emissive strength across the frameEffectsrange0.35YesYes
Pulse intensityBeat pulse scale for spawn, size, and shakeEffectsrange1YesYes
Beat responseHow hard every engine hits on each detected beatAudiorange1.2YesYes
Beat smoothingHow long each beat hit rings out before it settlesAudiorange0.35YesYes
Beat attackSeconds for a hit to swell to full. 0 snaps instantlyAudiorange0YesYes
Beat releaseSeconds for a hit to fade, overriding Beat smoothing. 0 follows itAudiorange0YesYes
Beat shakeFrame kick strength on each beatEffectsrange0.6YesYes
Motion echoMotion echoEffectsrange0YesYes
BlurBlurEffectsrange0YesYes
Chromatic aberrationChromatic aberrationEffectsrange0YesYes
Beat sync allRoute beat energy into spawn, shake, pulse, speed, and scaleAudiobooleantrueNoNo
Symmetry and tilingReshape the whole picture: mirror it, fold it into a kaleidoscope, or tile it (the plane groups p1, p2, p4m and p6m)Shape and symmetryselectnoneNoNo
Kaleidoscope foldsHow many mirrored copies go round the kaleidoscopeShape and symmetryrange6YesNo
Symmetry angleTurns the mirror line, or the kaleidoscope, in degreesShape and symmetryrange0YesYes
Kaleidoscope spinHow fast the kaleidoscope turns, in turns per bar of the song (0.25 is once a phrase)Shape and symmetryrange0YesYes
Tile sizeEach tile's size as a share of the frameShape and symmetryrange0.5YesNo
Tile gapThe gap between tiles, as a share of a tile; it shows the background colourShape and symmetryrange0YesNo
WarpBend the whole picture: a twist, a bulge, waves or ripples that move once a bar, a polar unroll, or a fisheye lensShape and symmetryselectnoneNoNo
Warp amountHow strong the warp isShape and symmetryrange0.5YesYes
Warp centreWhere the warp is centred in the frameShape and symmetryselectcentreNoNo
Trail countSaved quality-independent trail targetTrailsrange44YesNo
Trail lengthTrail lengthTrailsrange1.8YesYes
Trail decayTrail decayTrailsrange0.9YesYes
Braid strandsParallel braided strandsTrailsrange3YesNo
Flow fieldFlow fieldTrailsselectcurlNoNo
VersionPlay an earlier version of this visualizer. Current look follows every future update.VersionselectcurrentNoNo