phaser/examples/physics/bounce accelerator.js

// mods by Patrick OReilly 
// Twitter: @pato_reilly Web: http://patricko.byethost9.com

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

function preload() {

    game.load.spritesheet('dude', 'assets/games/starstruck/dude.png', 32, 48);
    
}

var flyer;

function create() {

    cursors = game.input.keyboard.createCursorKeys();

    flyer = game.add.sprite(400, 200, 'dude');

    flyer.animations.add('left', [0, 1, 2, 3], 10, true);
    flyer.animations.add('right', [5, 6, 7, 8], 10, true);
    
    //  This gets it moving
    flyer.body.velocity.setTo(200, 200);
    
    //  This makes the game world bounce-able
    flyer.body.collideWorldBounds = true;
    
    //  This sets the image bounce energy for the horizontal 
    //  and vertical vectors (as an x,y point). "1" is 100% energy return
    flyer.body.bounce.setTo(0.8, 0.8);
    
    //  This sets the gravity the sprite responds to in the world, as a point
    //  Leave x=0 and set y=80 to simulate falling
    flyer.body.gravity.setTo(0, 80);

}

//  Change the vertical and horizontal acceleration property accordingly with the key pressed
//  Also turn on and off the animation. Dude should have wings ;)

function update () {

    if (cursors.up.isDown)
    {
        flyer.body.acceleration.y = -600;

        if (flyer.body.velocity.x > 0)
        {
            flyer.animations.play('right');
        }
        else
        {
            flyer.animations.play('left');
        }
    }
    else if (cursors.down.isDown)
    {
        flyer.body.acceleration.y = 600;

        if (flyer.body.velocity.x > 0)
        {
            flyer.animations.play('right');
        }
        else
        {
            flyer.animations.play('left');
        }
    }
    else if (cursors.left.isDown)
    {
        flyer.body.acceleration.x = -500;
        flyer.animations.play('left');
    }
    else if (cursors.right.isDown)
    {
        flyer.body.acceleration.x = 500;
        flyer.animations.play('right');
    }
    else
    {
        flyer.frame = 4;
        flyer.body.acceleration.setTo(0,0);
        flyer.animations.stop();
    }
    
}

function render () {

    //debug helper
    game.debug.renderSpriteInfo(flyer,32,32);

}