var config = {
    type: Phaser.CANVAS,
    width: 800,
    height: 600,
    parent: 'phaser-example',
    backgroundColor: '#9adaea',
    useTicker: true,
    scene: {
        create: create,
        update: update
    }
};

var bullet = [];
var C = 100;

var speed;

var game = new Phaser.Game(config);

function create ()
{
    speed = Phaser.Math.GetSpeed(600, 6);
    for(var i = 0; i < C; i++) {
      bullet.push(this.add.rectangle(64, 72+i*3, 40, 40, color(i)));
    }
}

function color(i) {
    return 0x001100 * (i % 15) + 0x000033 * (i % 5);
}

//  The update function is passed 2 values:
//  The current time (in ms)
//  And the delta time, which is derived from the elapsed time since the last frame, with some smoothing and range clamping applied

function update (time, delta)
{

    for(var i in bullet) {
      bullet[i].x += speed * delta;

      if (bullet[i].x > 864)
      {
          bullet[i].x = 64;
      }
    }
}