Balatro Swirl is an animated painterly generative background adapted from a Shadertoy reference. It can run as a full generated field or blend with incoming video.
Controls
Control
Type
Default
What It Does
Spin Rotation
float
-2
Base rotation applied to the swirl field.
Spin Speed
float
7
Animation speed.
Spin Amount
float
0.25
Radial twisting strength.
Spin Ease
float
1
Changes how twist falls off from center.
Contrast
float
3.5
Separation between dark and bright areas.
Lighting
float
0.4
Highlight/shadow modulation.
Offset
vec2
[0, 0]
Moves the generated field.
Colour 1
color
Warm red
Primary swirl color.
Colour 2
color
Cool blue
Secondary swirl color.
Colour 3
color
Dark base
Background/base color.
Rotate Field
bool
Off
Rotates the whole generated field over time.
Source Mix
float
0
Blends the generated field with incoming video.
Tips
Keep Source Mix at 0 for a pure generated background.
Raise Source Mix when using it as a stylizing layer over video.
Reduce Spin Speed to make the look calmer for long-running screens.
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