Dart port of phaser_tutorial_02

phaser_tutorial_02.dart

import 'package:play_phaser/phaser.dart' as Phaser;


void main() {
  new Game();
}

class Game extends Phaser.State {

  var platforms;
  var player;
  var cursors;
  var stars;
  var score = 0;
  var scoreText;

  Game() {
    game = new Phaser.Game(800, 600, Phaser.AUTO, '', this);
  }

  preload() {
    game.load.image('sky', 'assets/sky.png');
    game.load.image('ground', 'assets/platform.png');
    game.load.image('star', 'assets/star.png');
    game.load.spritesheet('dude', 'assets/dude.png', 32, 48);
  }

  create() {
    //  We're going to be using physics, so enable the Arcade Physics system
    game.physics.startSystem(Phaser.Physics.ARCADE);

    //  A simple background for our game
    game.add.sprite(0, 0, 'sky');

    //  The platforms group contains the ground and the 2 ledges we can jump on
    platforms = game.add.group();

    //  We will enable physics for any object that is created in this group
    platforms.enableBody = true;

    // Here we create the ground.
    var ground = platforms.create(0, game.world.height - 64, 'ground');

    //  Scale it to fit the width of the game (the original sprite is 400x32 in size)
    ground.scale.set(2, 2);

    //  This stops it from falling away when you jump on it
    ground.body.immovable = true;

    //  Now let's create two ledges
    var ledge = platforms.create(400, 400, 'ground');

    ledge.body.immovable = true;

    ledge = platforms.create(-150, 250, 'ground');

    ledge.body.immovable = true;

    // The player and its settings
    player = game.add.sprite(32, game.world.height - 150, 'dude');

    //  We need to enable physics on the player
    game.physics.arcade.enable(player);

    //  Player physics properties. Give the little guy a slight bounce.
    player.body.bounce.y = 0.2;
    player.body.gravity.y = 300;
    player.body.collideWorldBounds = true;

    //  Our two animations, walking left and right.
    player.animations.add('left', [0, 1, 2, 3], 10, true);
    player.animations.add('right', [5, 6, 7, 8], 10, true);

    //  Finally some stars to collect
    stars = game.add.group();

    //  We will enable physics for any star that is created in this group
    stars.enableBody = true;

    //  Here we'll create 12 of them evenly spaced apart
    for (var i = 0; i < 12; i++)
    {
      //  Create a star inside of the 'stars' group
      var star = stars.create(i * 70, 0, 'star');

      //  Let gravity do its thing
      star.body.gravity.y = 300;

      //  This just gives each star a slightly random bounce value
      //star.body.bounce.y = 0.7 + rnd.real() * 0.2;
      star.body.bounce.y = 0.7 + rnd.normal() * 0.2;
    }

    //  The score
    scoreText = game.add.text(16, 16, 'score: 0', new Phaser.TextStyle(font: 'bold 20pt Arial', fill: '#000' ));

    //  Our controls.
    cursors = game.input.keyboard.createCursorKeys();
  }

  update() {
    //  Collide the player and the stars with the platforms
    game.physics.arcade.collide(player, platforms);
    game.physics.arcade.collide(stars, platforms);

    //  Checks to see if the player overlaps with any of the stars, if he does call the collectStar function
    game.physics.arcade.overlap(player, stars, collectStar, null);

    //  Reset the players velocity (movement)
    player.body.velocity.x = 0;

    if (cursors.left.isDown)
    {
      //  Move to the left
      player.body.velocity.x = -150;

      player.animations.play('left');
    }
    else if (cursors.right.isDown)
    {
      //  Move to the right
      player.body.velocity.x = 150;

      player.animations.play('right');
    }
    else
    {
      //  Stand still
      player.animations.stop();

      player.frame = 4;
    }

    //  Allow the player to jump if they are touching the ground.
    if (cursors.up.isDown && player.body.touching.down)
    {
      player.body.velocity.y = -350;
    }

  }

  collectStar (player, star) {

    // Removes the star from the screen
    star.kill();

    //  Add and update the score
    score += 10;
    scoreText.text = "Score: $score";

  }

}

phaser_tutorial_02.html

<!DOCTYPE html>

<html>
  <head>
    <meta charset="utf-8">
    <title>Orion</title>
    <style type="text/css">
      body {
        margin: 0;
        overflow: hidden;
      }
    </style>
  </head>
  <body>
    <script type="application/dart" src="phaser_tutorial_02.dart"></script>
    <script src="packages/browser/dart.js"></script>
  </body>
</html>

pubspec.yaml

name: phaser_tutorial_02
version: 0.0.1
description: A sample web application
dependencies:
  browser: any
  play_phaser: any

dev_dependencies:
#  unittest: any