// FillRect(x1,y1,x2,y2,color)
function fRect(x1,y1,x2,y2,c){
var y=y1,d=1;
if (y1>y2){ d=-1; }
while(y!=y2){
pc.line(x1,y,x2,y,c);
y=y+d;
}
}
// Sample Code
var pc=new PanCake();
pc.reset(0);
pc.clear(0);
fRect(4,2,52,23,3);
fRect(30,40,72,20,8);