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HElP with flappy bird development!


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Hi guys! I am not very good at phaser. I am developing Flappy bird for Android with help of Intel XDK.  The problem is that i don't know how to change controls from spacebar to touchscreen. Here is the code example: 

var spaceKey = this.game.input.keyboard.addKey(Phaser.Keyboard.SPACEBAR);
spaceKey.onDown.add(this.jump, this);




Thank you

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There's a generic onDown event for this which captures a pointer click or tap:

this.game.input.onDown.add(this.jump, this);

Sorry for many questions, but it lags on my smartphone. It updates 60 times a second and it is a problem. I don't know where i should fix it. I think it is written in phaser.min.js

Here is main.js code


var game = new Phaser.Game(400, 480, Phaser.AUTO, 'game_div');
var main_state = {
        preload: function() { 
        this.game.stage.backgroundColor = 'green';
        this.game.load.image('bird', 'assets/bird.png');  
        this.game.load.image('pipe', 'assets/pipe.png');      
    create: function() { 
        this.bird = this.game.add.sprite(100, 245, 'bird');
        this.bird.body.gravity.y = 1000; 
        var space_key = this.game.input.onDown.add(this.jump, this); 
        this.pipes = game.add.group();
        this.pipes.createMultiple(20, 'pipe');  
        this.timer = this.game.time.events.loop(1500, this.add_row_of_pipes, this);           
        this.score = 0;
        var style = { font: "34px Arial", fill: "red" };
        this.label_score = this.game.add.text(20, 20, "0", style);  
    update: function() {
            if (this.bird.inWorld === false)
            this.game.physics.overlap(this.bird, this.pipes, this.restart_game, null, this);      
    jump: function() {
        this.bird.body.velocity.y = -350;
    restart_game: function() {
        add_one_pipe: function(x, y) {
        var pipe = this.pipes.getFirstDead();
        pipe.reset(x, y);
         pipe.body.velocity.x = -200; 
        pipe.outOfBoundsKill = true;
    add_row_of_pipes: function() {
        var hole = Math.floor(Math.random()*5)+1;
        for (var i = 0; i < 8; i++)
            if (i != hole && i != hole +1) 
                this.add_one_pipe(400, i*60+10);   
        this.score += 1;
        this.label_score.content = this.score;  
game.state.add('main', main_state);  
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