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Is it possible to make the sprite rotation angle follow by joystick pad position??

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About the joystick plugin problem.

Is it possible to make the sprite rotation angle follow by joystick pad position??  

if the joystick pad move to right-left, the sprite angle is  right-left

like the following images

1.png.1e93db439c8c5d0f9867bfba007d2c35.png  2.png.73f6eb75615834235d9ca64a5679f27c.png 3.png.884a9270921dda10630fd62492a278fa.png


The following is my solution, but I think it is not the best way.

I create the hidden object and the joystick can control the hide sprite movement.

this.gun.rotation= this.gun.position.angle(game.scene.HiddenObject.point.position);  

like the following image




Hidden object class

 game.createClass('HiddenObject', {
    init: function() { 
        this.point = new game.Sprite('circle2.png')
        this.point.alpha =0
        this.body = new game.Body();
        this.body.collisionGroup = game.Body.POINTER;
        this.body.collideAgainst= [game.Body.WALL];
        this.body.position.x = 500;
        this.body.position.y = 600;
        var shape = new game.Rectangle(this.point.width, this.point.height);
        this.body.collide = this.collide.bind(this);
        var ths = this;

    collide: function(body) {
      if (body.collisionGroup === game.Body.WALL) {
           return true;
        return true;
    update: function() {

	if(game.scene.joystick2.axis.x ==0 && game.scene.joystick2.axis.y ==0){
        this.body.velocity.x = 0;
        this.body.velocity.y = 0;

	  this.point.position.x = this.body.position.x;
      this.point.position.y = this.body.position.y;
    this.body.velocity.x += game.scene.joystick2.axis.x * 4800;
    this.body.velocity.y += game.scene.joystick2.axis.y * 4800;


Rotation Sprite class

game.createClass('rotationsprite', {
    init: function() { 
    this.gun = new game.Sprite('gun.png');
    this.gun.position.set(450, 550);

    update: function(){         
        this.gun.rotation= this.gun.position.angle(game.scene.HiddenObject.point.position);  


Any idea,? thank, I am sorry about my poor English.


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