H: help
F: fullscreen

UP/DOWN: change value
LEFT/RIGHT: cycle presets

1: color scheme
2: color variation
3: background
4: foreground

7: scene
8: texture/color 1
9: texture/color 2
0: texture/color 3

Q: hue
W: opacity
E: animation speed
R: scene rotation
T: zoom

U: rgb shift
I: fisheye
O: grain
P: pixelate
double tap to enable/disable effects

Z: object velocity
X: object scale
C: object rotation