var Point = Isomer.Point;
var Path = Isomer.Path;
var Shape = Isomer.Shape;
var Vector = Isomer.Vector;
var Color = Isomer.Color;
var iso = new Isomer(document.getElementById("canvas"));
var red = new Color(160, 60, 50);
var blue = new Color(50, 60, 160);
iso.add(Shape.Prism(Point.ORIGIN, 3, 3, 1));
iso.add(Shape.Pyramid(Point(0, 2, 1)), red);
iso.add(Shape.Prism(Point(2, 0, 1)), blue);