[ ] Dropper - Shapes randomly appear, sit for a moment, and drop off the screen based on gravity direction. They should leave a sputtering trail behind them (can be deactivated)
[ ] Possibly add random gravity so they can fall in any direction individually
[ ] Lava lamp - Shapes grow and shrink and float aimlessly up and down
[ ] Shapes at random (x, y) grow into existence, then shrink away
Effects to add to animations:
[ ] Shapes behind glass - Makes shapes fuzzy like they are behind frosted glass.
[ ] Multi-color foreground - Allow shapes to be a random color from a given list of colors.
Animation types to add:
Effects to add to animations: