/*
	
*/

var n=4;
var sz=100;

function zig(C) {
	var x = sz/n;
	for(var i=0; i < n; ++i) {
		C.M((i+0.5)*x,sz).M((i+1)*x,0);
	} 
} 

function zag(C) {
	var y = sz/n;
	for(var i=0; i < n; ++i) {
		C.M(sz,(i+0.5)*y).M(0,(i+1)*y);
	} 
}

P.M(0,0);
Q.M(0,0);

zig(P);
zag(Q);