I am currently utilizing angular's ng-swipe-left and ng-swipe-right to detect swipe events on touch devices. My goal is to rotate an image based on the speed and direction of the swipe while it is still in progress. However, I am facing a challenge as I can only capture the event once the swipe has concluded.
To effectively handle touch events, make sure to start by listening for the start event, triggered either by a mousedown or touchstart action. Following this initial event, $swipe will only recognize touchmove or mousemove events if the user exceeds a predefined threshold in either direction.
Once this threshold is surpassed, the move event will be generated.
If you are using AngularJS alone, adding a listener for the move event may not be possible. In such cases, incorporating JQuery can offer a viable solution. Consider implementing something similar to the following code snippet:
$('#someElm').bind('touchmove',function(e){
e.preventDefault();
var touch = e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];
var elm = $(this).offset();
var x = touch.pageX - elm.left;
var y = touch.pageY - elm.top;
if(x < $(this).width() && x > 0){
if(y < $(this).height() && y > 0){
//YOUR CODE HERE
console.log(touch.pageY+' '+touch.pageX);
}
}
});
For further information on handling touch events with Angular, refer to the official Angular documentation: AngularJS API : $swipe
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