
Rysowanie wielokąta nieregularnego (1)
Klasa używa skryptu figures.js
Listing
var cv = document.getElementById("canvas");
var ctx = cv.getContext("2d");
var points = new IrregPolygon(new Point(20, 20), new Point(70, 70),
new Point(70, 130), new Point(30, 120), new Point(10, 100));
points.fillStyle = "red";
points.strokeStyle = "blue";
points.fill = true;
points.stroke = true;
points.lineWidth = 5;
points.draw(ctx);
//
var perimeter = points.perimeter();
ctx.fillText("obwód: "+ perimeter, 180, 20);
