Ctrl+Enter - Execute shader code
F11 - Toggle fullscreen
H - Hide/show UI
R - Generate random shader
S - Share current shader (copy URL)
? - Show this help
x, y - Pixel coordinates
t - Time (enables animation)
i - Pixel index
mouseX, mouseY - Mouse position (0.0 to 1.0)
^ & | - XOR, AND, OR
<< >> - Bit shift left/right
+ - * / % - Math operations
Hover over the right edge of the screen to access the shader library
Save shaders with custom names and search through them
Use edit to rename, del to delete
Classic - Original colorful mode
Grayscale - Black and white
Red/Green/Blue - Single color channels
HSV - Hue-based coloring
Rainbow - Spectrum coloring
Export PNG - Save current frame as image