Path Stroked

var config = {
    width: 800,
    height: 600,
    type: Phaser.WEBGL,
    parent: 'phaser-example',
    scene: {
        preload: preload,
        create: create
    }
};

var game = new Phaser.Game(config);

function preload ()
{
        this.load.setBaseURL('https://cdn.phaserfiles.com/v355');
    this.load.image('metal', 'assets/textures/alien-metal.jpg');
}

function create ()
{
    var graphics = this.add.graphics();

    graphics.lineStyle(16, 0x00ff00, 1);

    graphics.beginPath();

    graphics.moveTo(400, 100);
    graphics.lineTo(200, 278);
    graphics.lineTo(340, 430);
    graphics.lineTo(650, 300);
    graphics.lineTo(700, 180);
    graphics.lineTo(600, 80);

    graphics.closePath();

    graphics.strokePath();
}