DrawGenerator generates for each command a draw step and draws a new frame.

FullFrameFadeGenerator generates a new full frame fading frame stream.

NewLastBlackFramePipe generates a black frame after the input channel was closed.

RainbowGenerator generates for each tick interval a progressing rainbow through the color palette the color palette should be circular to avoid hard color changes.

SnakeGenerator generates for each frame a new snake part progressing through the color palette the color palette should be circular to avoid hard color changes.

WhiteNoisePipe generates for each tick interval a random pixel is drawn with a random color of the palette.

DrawCommand is a command to draw on a frame.