JavaScript JQuery: How to make 3D Joystick image with bending effects?

i am making an app where i need 3d joystick image so that user can swipe on it and image will bend in swipped direction.

For swipe down or for swipe up events what css or animation effect i should give to make image moving downside or upside ??

I don't know the best way to do it. I am trying this code :-

 <div style="width:220px;height:220px;background-color:black;display:table-cell; vertical-align:middle; text-align:center" id="joy_div">
        <img id="joystick" src="joystick.png" >
</div>

<script>
$("#joy_div").rotate({ 
    bind: 
    { 
        swipeleft : function() { 
            $("#joystick").rotate({animateTo:-50});
        },
        swiperight : function() { 
            $("#joystick").rotate({animateTo:50});
        },
        swipeup : function(){
            alert('up');
        },
        swipedown : function(){
            alert('down');
        },
        swipeend : function(){
            $("#joystick").rotate({animateTo:0});
        }
    }); 
</script>

I appreciate any guidance.

Answer:1

I would suggest you to use CSS transform and perspective to do this.

In the example below, I've demonstrated this using buttons for swipeLeft, swipeRight, swipeUp and swipeDown events.

$(".tilt").click(function() {
  $('#joystick').removeAttr('class');
  $('#joystick').addClass($(this).attr('id'));
});

#joy_div {
  perspective: 500px;
}
button {
  margin: 10px 0 0 0;
}
.left, .right, .down, .up, .reset {
  transition: transform 0.5s ease;
  transform-origin: 50% 50%;
}
.left {
  transform: rotateY(-40deg);
}
.right {
  transform: rotateY(40deg);
}
.up {
  transform: rotateX(-40deg);
}
.down {
  transform: rotateX(40deg);
}
.reset {
  transform: rotateX(0) rotateY(0);
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div style="width:250px;height:160px;display:table-cell; vertical-align:middle; text-align:center" id="joy_div">
  <img id="joystick" width="250" height="160" src="http://help.robotc.net/WebHelpArduino/scr/TETRIX_MATRIX_New/NXT_Using_Joysticks_files/Joystick_front.gif" />
</div>
<button class="tilt" id="left">swipeleft</button>
<button class="tilt" id="right">swiperight</button>
<button class="tilt" id="up">swipeup</button>
<button class="tilt" id="down">swipedown</button>
<button class="tilt" id="reset">Reset</button>

Answer:2

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