瞭解它通過觸摸事件工作。
下面
示例代碼,
$(".pinch").on("touchstart", fingerDown)
.on('touchend', fingerUp)
.on('touchmove', fingerMove)
.on('touchend', fingerend);
var startX = 0;
var endX = 0;
var lastMargin = 0;
var leftMargin = 0;
function fingerend(e){
lastMargin = leftMargin;
leftMargin = 0;
}
function fingerMove(e){
var tempEndX = 0;
var tempLeftMargin = 0;
tempEndX = e.originalEvent.touches[0].pageX;
if(startX > tempEndX){
tempLeftMargin = -(startX - tempEndX);
}else{
tempLeftMargin = tempEndX - startX;
}
tempLeftMargin = tempLeftMargin + lastMargin;
var deltaVal = $("#my-div").children().width();
var minVal = -(deltaVal - 280);
var maxVal = 10;
if(tempLeftMargin > minVal && tempLeftMargin < maxVal){
$("#my-div").children().css({
"margin-left": tempLeftMargin
});
endX = tempEndX;
leftMargin = tempLeftMargin;
}
}
function fingerDown(e){
console.log("fingerdown "+e.originalEvent.touches.length);
var fingersDown = e.originalEvent.touches.length;
if (fingersDown > 1) {
toggleHammerScrolling(true);
}else{
startX = e.originalEvent.touches[0].pageX;
}
}