Strudel Visuals

Make your patterns come alive with visual feedback. Always add visuals - music should be seen, not just heard.

---

Quick Start

// Inline visuals (multiple allowed, rendered in code)
note("c a f e")._pianoroll()
note("c a f e")._spiral()
s("bd sd")._scope()

// Background visuals (one at a time, full page)
note("c a f e").pianoroll()

Rule: Use _ prefix for inline visuals (can stack multiple), no prefix for background.

---

Color Your Patterns

Everything starts with .color() - it affects highlighting AND visuals.

// Single color
note("c a f e").color("cyan")

// Pattern colors (cycles through)
note("c a f e").color("cyan magenta yellow")

// Hex colors
note("c a f e").color("#ff00ff #00ffff #ffff00")

// Neon acid palette
.color("cyan magenta yellow #ff6600")

// Vaporwave
.color("#ff71ce #01cdfe #05ffa1 #b967ff")

// Fire
.color("#ff0000 #ff6600 #ffff00")

---

Pianoroll / Punchcard

Scrolling note visualization. The bread and butter of live coding visuals.

// Basic
note("c a f e")._pianoroll()

// Full acid mode
note("c2 eb2 f2 g2")
  .color("cyan magenta")
  ._pianoroll({
    smear: 1,           // Notes leave trails (TRIPPY!)
    cycles: 8,          // Show more cycles
    labels: 1,          // Show note names
    active: "#ff00ff",  // Active note color
    inactive: "#00ffff", // Inactive note color
    vertical: 1,        // Vertical mode
    fold: 1,            // Notes fill full width
  })

All Pianoroll Options

Option	Type	Default	Effect
smear	bool	0	Notes leave solid trails
fold	bool	0	Notes take full width
cycles	int	4	Cycles visible at once
vertical	bool	0	Vertical orientation
labels	bool	0	Show note labels
playhead	0-1	0.5	Playhead position
flipTime	bool	0	Reverse scroll direction
flipValues	bool	0	Flip note positions
active	color	#FFCA28	Active note color
inactive	color	#7491D2	Inactive note color
background	color	transparent	Background color
playheadColor	color	white	Playhead line color
fill	bool	0	Fill all notes
fillActive	bool	0	Fill active notes only
stroke	bool	0	Show note borders
hideInactive	bool	0	Only show active notes
colorizeInactive	bool	1	Use pattern color for inactive
autorange	bool	0	Auto-fit note range
minMidi	int	10	Min note displayed
maxMidi	int	90	Max note displayed

Trippy Pianoroll Recipes

// Smeared neon trails
._pianoroll({ smear: 1, active: "#ff00ff", inactive: "#00ffff" })

// Vertical waterfall
._pianoroll({ vertical: 1, smear: 1, cycles: 16 })

// Minimal active-only
._pianoroll({ hideInactive: 1, fillActive: 1, cycles: 2 })

// Full labels
._pianoroll({ labels: 1, fill: 1, autorange: 1 })

---

Spiral

Circular visualization - hypnotic and mesmerizing.

// Basic
note("c a f e")._spiral()

// Trippy spiral
note("c a f e")
  .color("#ff6600 #ff00ff #00ffff")
  ._spiral({
    steady: 0.96,       // Less jumpy (0-1)
    logSpiral: 1,       // Logarithmic spiral (COOL!)
    thickness: 4,       // Line thickness
    fade: 1,            // Fade past/future
    stretch: 2,         // Rotations per cycle
  })

All Spiral Options

Option	Type	Default	Effect
steady	0-1	0	Smoothness (0.96 = smooth)
logSpiral	bool	0	Logarithmic spiral
fade	bool	1	Fade past/future
stretch	num	1	Rotations per cycle
size	num	-	Spiral diameter
thickness	num	-	Line thickness
inset	num	3	Rotations before start
padding	num	-	Space around spiral
cap	string	butt	Line ends: butt/round/square
playheadColor	color	white	Playhead color
playheadLength	num	0.02	Playhead size
activeColor	color	-	Active segment color
inactiveColor	color	-	Inactive segment color
colorizeInactive	bool	0	Use pattern colors

Trippy Spiral Recipes

// Logarithmic hypnosis
._spiral({ logSpiral: 1, steady: 0.96, thickness: 6 })

// Tight fast spiral
._spiral({ stretch: 4, steady: 0.9, fade: 0 })

// Thick colorful
._spiral({ thickness: 8, colorizeInactive: 1, steady: 0.96 })

---

Scope (Oscilloscope)

Real-time waveform visualization - see your sound.

// Basic
s("sawtooth")._scope()

// Styled scope
s("sawtooth")._scope({
  color: "#00ff00",    // Matrix green
  thickness: 4,        // Thicc lines
  scale: 0.5,          // Zoom in on waveform
})

All Scope Options

Option	Type	Default	Effect
color	color	white	Line color
thickness	num	3	Line thickness
scale	num	0.25	Y-axis zoom
align	bool	1	Align to zero crossing
pos	0-1	-	Y position on screen
trigger	num	0	Alignment amplitude

Scope Recipes

// Neon green matrix
._scope({ color: "#00ff00", thickness: 4 })

// Hot pink
._scope({ color: "#ff00ff", thickness: 5, scale: 0.6 })

// Subtle background
._scope({ color: "#ffffff33", thickness: 2 })

---

Spectrum (Frequency Analyzer)

See the frequencies - bass on the left, treble on the right.

// Basic
s("supersaw")._spectrum()

// Styled
s("supersaw")._spectrum({
  thickness: 3,
  speed: 2,           // Scroll speed
  min: -60,           // Min dB
  max: 0,             // Max dB
})

---

Pitchwheel

Pitch circle for visualizing notes within an octave.

n("0 .. 12").scale("C:chromatic")._pitchwheel()

---

Combining Visuals

Stack multiple inline visuals for maximum impact.

setcpm(130/4)

// Bass with smeared pianoroll
$: note("c2 eb2 f2 g2".fast(2))
  .s("sawtooth").lpf(800)
  .color("cyan magenta")
  ._pianoroll({ smear: 1, cycles: 8 })

// Drums with scope
$: s("bd sd hh hh").bank("RolandTR909")
  ._scope({ color: "#00ff00", thickness: 4 })

// Lead with spiral
$: n("0 3 7 10".fast(2)).scale("C:minor").s("square")
  .color("#ff6600 #ff00ff")
  ._spiral({ logSpiral: 1, steady: 0.96 })

// Pad with spectrum
$: chord("<Cm7 Fm7>").voicing().s("supersaw")
  ._spectrum({ thickness: 2 })

---

Acid Visual Presets

Neon Rave

.color("cyan magenta yellow")
._pianoroll({ smear: 1, active: "#ff00ff", inactive: "#00ffff" })

Matrix

.color("#00ff00")
._pianoroll({ smear: 1, active: "#00ff00", inactive: "#003300", vertical: 1 })

Vaporwave

.color("#ff71ce #01cdfe #05ffa1 #b967ff")
._spiral({ logSpiral: 1, steady: 0.96, thickness: 5 })

Fire

.color("#ff0000 #ff6600 #ffff00")
._pianoroll({ smear: 1, active: "#ffff00", inactive: "#ff3300" })

Minimal Techno

.color("white")
._pianoroll({ hideInactive: 1, fillActive: 1, cycles: 2 })

---

Pro Tips

1. Always use steady: 0.96 on spirals - makes them smooth
2. smear: 1 is the secret sauce for trippy pianorolls
3. Match colors to your vibe - neon for acid, muted for ambient
4. logSpiral: 1 makes spirals way cooler
5. Combine visuals - pianoroll + scope + spiral = full experience
6. Use .color() patterns - colors that change with notes

---

Philosophy

If it sounds good, it should look good.

Visuals aren't decoration - they're part of the performance. Let people see the music breathe.