int w=400;void setup(){size(w,w);colorMode(3);noStroke();rectMode(3);} void draw(){int[]t={hour()*9,minute()*4,second()*4};for(int i=0;i<3;i++){fill(t[i],w,w);rect(w/2,w/2+i*30,w/(i+.4),w/(i+.4));}}
This sketch is running as Java applet, exported from Processing.
A 24-hr clock in the form of Albers' Homage to the Square.
To tweak this sketch, first download it.
Make your updates, then upload your tweak!
Preview