float BOXSIZE = 10; float SCREENSIZE = 500; void setup(){ size(500,500); drawMaze(); } void mousePressed(){ drawMaze(); } void drawMaze(){ background(64,50,133); stroke(124,172,186); strokeWeight(2); smooth(); for(int x = 0; x < SCREENSIZE / BOXSIZE;x++){ for(int y = 0; y < SCREENSIZE / BOXSIZE;y++){ if(random(1) >= .5){ line(x * BOXSIZE,y * BOXSIZE,(x+1)*BOXSIZE ,(y+1) * BOXSIZE); } else { line((x+1) * BOXSIZE,(y) * BOXSIZE,x * BOXSIZE,(y+1) * BOXSIZE); } } } }