lines

	var ctx = new C2S(width,height);
	ctx.translate(width/2,height/2);
	var poly=[ v2.x, v2.y, v3.x, v3.y, v4.x, v4.y, v5.x, v5.y,v6.x, v6.y ];
	ctx.beginPath();
	ctx.moveTo(poly[0], poly[1]);
	for( item=2 ; item < poly.length-1 ; item+=2 ){ctx.lineTo( poly[item] , poly[item+1] )}
	ctx.closePath();
	//ctx.fillStyle = "rgba(255,255,255,0)";
	ctx.strokeStyle = 'rgb('+r+','+g+','+b+')';
	ctx.lineWidth = 5;
	ctx.lineJoin = "miter";
	//ctx.fill();