phaser/examples/sprites/sprite rotation.js

var game = new Phaser.Game(800, 600, Phaser.CANVAS, 'phaser-example', { preload: preload, create: create, update: update, render: render });

function preload() {
    game.load.image('arrow', 'assets/sprites/arrow.png');
}

var sprite;

function create() {

    game.stage.backgroundColor = '#0072bc';

    sprite = game.add.sprite(400, 300, 'arrow');
    sprite.anchor.setTo(0.5, 0.5);

}

function update() {

    sprite.angle += 1;

    //  Note: Due to a bug in Chrome the following doesn't work atm:
    //  sprite.angle++;
    //  See: https://code.google.com/p/chromium/issues/detail?id=306851

}

function render() {

    game.debug.spriteInfo(sprite, 32, 32);
    // game.debug.text('angularVelocity: ' + sprite.body.angularVelocity, 32, 200);
    // game.debug.text('angularAcceleration: ' + sprite.body.angularAcceleration, 32, 232);
    // game.debug.text('angularDrag: ' + sprite.body.angularDrag, 32, 264);
    // game.debug.text('deltaZ: ' + sprite.body.deltaZ(), 32, 296);

}