private drawPentagram(): void {
var canvas: Sprite = new Sprite();
Laya.stage.addChild(canvas);
var path: Array<number> = [];
path.push(0, -130);
path.push(33, -33);
path.push(137, -30);
path.push(55, 32);
path.push(85, 130);
path.push(0, 73);
path.push(-85, 130);
path.push(-55, 32);
path.push(-137, -30);
path.push(-33, -33);
canvas.graphics.drawPoly(Laya.stage.width / 2, Laya.stage.height / 2, path, "#FF7F50");
这个可以通过一些点来绘制一个平面图形
