Create Triangle

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

var game = new Phaser.Game(config);

function create ()
{
    var graphics = this.add.graphics({ lineStyle: { width: 2, color: 0x00ff00 }, fillStyle: { color: 0xff0000 } });

    var triangle = new Phaser.Geom.Triangle(400, 100, 100, 500, 700, 500);

    // graphics.strokeTriangleShape(triangle);

    graphics.fillTriangleShape(triangle);
}