Particles undergoing random motion adhere to a seed when they touch.
There's a number of settings which can be changed in the url:
-
particles
Sets the number of particles in the simulation. Default is 16000. -
scale
Ratio of window size to canvas size. The default of 0.5 means that 1 pixel of the canvas is 2x2 pixels on-screen. -
seed
Sets the initial seed to which particles will attach. Possible values are: -
realtime
When set to true, each particle will move by only one pixel per simulation frame. When set to false, as many steps will be calculated as possible.