Emanuele Feronato

var game;
var gameOptions = {
    playerSpeed: 120,
    playerJumpSpeed: {
        x: 30,
        y: -100
    },
    tileSize: 32,
    changeDirectionRange: 32,
    playerGravity: 400
}
window.onload = function() {
    game = new Phaser.Game(800, 320, Phaser.CANVAS);
    game.state.add("PlayGame", playGame, true);
}
var playGame = function(){}
playGame.prototype = {
    preload: function(){
        game.scale.scaleMode = Phaser.ScaleManager.SHOW_ALL;
        game.scale.pageAlignHorizontally = true;
        game.scale.pageAlignVertically = true;
		game.load.tilemap("map", "map.json", null, Phaser.Tilemap.TILED_JSON);
		game.load.image("rock", "rock.png");
        game.load.image("block", "block.png");
        game.load.image("player", "player.png");
	},
	create: function(){
        this.tilePoint = null;
        game.physics.startSystem(Phaser.Physics.ARCADE);
		this.map = game.add.tilemap("map");
        this.map.addTilesetImage("rock");
		this.map.addTilesetImage("block");
        this.map.setCollisionBetween(1,2);
        this.levelLayer = this.map.createLayer("myLevel");
        this.player = game.add.sprite(48, 226, "player");
		this.player.anchor.set(0.5);
        this.player.isJumping = false;
        this.player.direction = 1;
        game.physics.enable(this.player, Phaser.Physics.ARCADE);
        this.player.body.gravity.y = gameOptions.playerGravity;
        game.input.onDown.add(this.addBlock, this);
	},
	update:function(){
        this.player.body.velocity.x = 0;
        game.physics.arcade.collide(this.player, this.levelLayer, this.movePlayer, null, this);
	},
    movePlayer: function(){
        if(this.player.body.blocked.down){
            this.player.body.velocity.x = gameOptions.playerSpeed * this.player.direction;
            this.player.isJumping = false;
        }
        if(this.player.body.blocked.right && this.player.direction == 1){
            if((!this.map.getTileWorldXY(this.player.x + gameOptions.tileSize, this.player.y - gameOptions.tileSize, gameOptions.tileSize, gameOptions.tileSize, this.levelLayer) && !this.map.getTileWorldXY(this.player.x, this.player.y - gameOptions.tileSize, gameOptions.tileSize, gameOptions.tileSize, this.levelLayer)) || this.player.isJumping){
				this.jump();
			}
            else{
                this.player.direction *= -1;
            }
        }
        if(this.player.body.blocked.left && this.player.direction == -1){
			if((!this.map.getTileWorldXY(this.player.x - gameOptions.tileSize, this.player.y - gameOptions.tileSize, gameOptions.tileSize, gameOptions.tileSize, this.levelLayer) && !this.map.getTileWorldXY(this.player.x, this.player.y - gameOptions.tileSize, gameOptions.tileSize, gameOptions.tileSize, this.levelLayer)) || this.player.isJumping){
				this.jump();
			}
			else{
				this.player.direction *= -1;
			}
		}
    },
    addBlock: function(e){
        var distanceX = e.x - this.player.x;
        var distanceY = e.y - this.player.y;
        if ((distanceX * distanceX + distanceY * distanceY) < gameOptions.changeDirectionRange * gameOptions.changeDirectionRange){
            this.player.direction *= -1;
        }
        else{
            if(!this.map.getTileWorldXY(e.x, e.y, gameOptions.tileSize, gameOptions.tileSize, this.levelLayer)){
                if(this.tilePoint){
                    this.map.removeTileWorldXY(this.tilePoint.x, this.tilePoint.y, gameOptions.tileSize, gameOptions.tileSize, this.levelLayer);
                }
                this.map.putTileWorldXY(2, e.x, e.y, gameOptions.tileSize, gameOptions.tileSize, this.levelLayer);
                this.tilePoint = new Phaser.Point(e.x, e.y);
            }
        }
    },
    jump: function(){
        this.player.body.velocity.y = gameOptions.playerJumpSpeed.y;
        this.player.body.velocity.x = gameOptions.playerJumpSpeed.x * this.player.direction;
        this.player.isJumping = true;
    }
}