<--- green flag Then, click around the stage! The size of the dots and the speed at which they decay is proportional to the distance from the mouse click.
In this project, I wanted to explore how to work with pen operations and to lay down a framework for doing some partial differential equation simulations and other wave based simulations. It also helps show some of the limitations of running scratch in terms of number of cloned sprites and message propagation speeds. Take a look at the 'dot' sprite for how it gets cloned into a 2D array of sprites that respond to messages related to mouse clicks and time flow for decaying.