CONTROLS: Space changes color. The I key inverts the dark and light pixels. The H key hides the non-lit dots. (NEW!) The T key toggles between 12-hour and 24-hour time display. The M key toggles music on and off. The K and L keys shrink and enlarge the clock. Left and right arrow keys reverse the scrolling direction. Up arrow changes the backdrop. Down arrow pauses the scrolling. WASD to tilt up and down, or shift the left-right radius
