javascript - 如何为触摸屏制作可拖动项目
问题描述
我做了一个游戏,你必须将正确的数字相互拖动(1 -> 一个)。但它不适用于手机或 ipad。我无法通过屏幕拖动可拖动项目。
/* Add some margin to the page and set a default font and colour */
body {
margin: 30px;
font-family: "Georgia", serif;
line-height: 1.8em;
color: #333;
}
/* Main content area */
#content {
text-align: center;
-moz-user-select: none;
-webkit-user-select: none;
user-select: none;
}
/* Slots for final card positions */
#cardSlots {
margin: 50px auto 0 auto;
background: #ddf;
}
/* The initial pile of unsorted cards */
#cardPile {
margin: 0 auto;
background: #ffd;
}
#cardSlots, #cardPile {
width: 910px;
height: 120px;
padding: 20px;
border: 2px solid #333;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
-moz-box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
-webkit-box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
}
/* Individual cards and slots */
#cardSlots div, #cardPile div {
float: left;
width: 58px;
height: 78px;
padding: 10px;
padding-top: 40px;
padding-bottom: 0;
border: 2px solid #333;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
margin: 0 0 0 10px;
background: #fff;
}
#cardSlots div:first-child, #cardPile div:first-child {
margin-left: 0;
}
#cardSlots div.hovered {
background: #aaa;
}
#cardSlots div {
border-style: dashed;
}
#cardPile div {
background: #666;
color: #fff;
font-size: 50px;
text-shadow: 0 0 3px #000;
}
#cardPile div.ui-draggable-dragging {
-moz-box-shadow: 0 0 .5em rgba(0, 0, 0, .8);
-webkit-box-shadow: 0 0 .5em rgba(0, 0, 0, .8);
box-shadow: 0 0 .5em rgba(0, 0, 0, .8);
}
/* Individually coloured cards */
#card1.correct { background: red; }
#card2.correct { background: brown; }
#card3.correct { background: orange; }
#card4.correct { background: yellow; }
#card5.correct { background: green; }
#card6.correct { background: cyan; }
#card7.correct { background: blue; }
#card8.correct { background: indigo; }
#card9.correct { background: purple; }
#card10.correct { background: violet; }
/* "You did it!" message */
#successMessage {
position: absolute;
left: 580px;
top: 250px;
width: 0;
height: 0;
z-index: 100;
background: #dfd;
border: 2px solid #333;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
-moz-box-shadow: .3em .3em .5em rgba(0, 0, 0, .8);
-webkit-box-shadow: .3em .3em .5em rgba(0, 0, 0, .8);
box-shadow: .3em .3em .5em rgba(0, 0, 0, .8);
padding: 20px;
}
<!doctype html>
<html lang="en">
<head>
<title>A jQuery Drag-and-Drop Number Cards Game</title>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<link rel="stylesheet" type="text/css" href="style.css">
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.min.js"></script>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/jquery-ui.min.js"></script>
<script type="text/javascript">
var correctCards = 0;
$( init );
function init() {
// Hide the success message
$('#successMessage').hide();
$('#successMessage').css( {
left: '580px',
top: '250px',
width: 0,
height: 0
} );
// Reset the game
correctCards = 0;
$('#cardPile').html( '' );
$('#cardSlots').html( '' );
// Create the pile of shuffled cards
var numbers = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
numbers.sort( function() { return Math.random() - .5 } );
for ( var i=0; i<10; i++ ) {
$('<div>' + numbers[i] + '</div>').data( 'number', numbers[i] ).attr( 'id', 'card'+numbers[i] ).appendTo( '#cardPile' ).draggable( {
containment: '#content',
stack: '#cardPile div',
cursor: 'move',
revert: true
} );
}
// Create the card slots
var words = [ 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten' ];
for ( var i=1; i<=10; i++ ) {
$('<div>' + words[i-1] + '</div>').data( 'number', i ).appendTo( '#cardSlots' ).droppable( {
accept: '#cardPile div',
hoverClass: 'hovered',
drop: handleCardDrop
} );
}
}
function handleCardDrop( event, ui ) {
var slotNumber = $(this).data( 'number' );
var cardNumber = ui.draggable.data( 'number' );
// If the card was dropped to the correct slot,
// change the card colour, position it directly
// on top of the slot, and prevent it being dragged
// again
if ( slotNumber == cardNumber ) {
ui.draggable.addClass( 'correct' );
ui.draggable.draggable( 'disable' );
$(this).droppable( 'disable' );
ui.draggable.position( { of: $(this), my: 'left top', at: 'left top' } );
ui.draggable.draggable( 'option', 'revert', false );
correctCards++;
}
// If all the cards have been placed correctly then display a message
// and reset the cards for another go
if ( correctCards == 10 ) {
$('#successMessage').show();
$('#successMessage').animate( {
left: '380px',
top: '200px',
width: '400px',
height: '100px',
opacity: 1
} );
}
}
</script>
</head>
<body>
<div id="content">
<div id="cardPile"> </div>
<div id="cardSlots"> </div>
<div id="successMessage">
<h2>You did it!</h2>
<button onclick="init()">Play Again</button>
</div>
</div>
</body>
</html>
所以我的问题是:有人可以帮我让这个游戏在带有thoughscreen 的iphone 或ipad 上运行。我是编码初学者,希望有人能提供帮助!(我也是新手,所以我希望我做对了)
解决方案
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.0/jquery.min.js"></script>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.8.9/jquery-ui.min.js"></script>
<script type="text/javascript">
function touchHandler(event) {
var touch = event.changedTouches[0];
var simulatedEvent = document.createEvent("MouseEvent");
simulatedEvent.initMouseEvent({
touchstart: "mousedown",
touchmove: "mousemove",
touchend: "mouseup"
}[event.type], true, true, window, 1,
touch.screenX, touch.screenY,
touch.clientX, touch.clientY, false,
false, false, false, 0, null);
touch.target.dispatchEvent(simulatedEvent);
event.preventDefault();
}
var correctCards = 0;
$( init );
function init() {
document.addEventListener("touchstart", touchHandler, true);
document.addEventListener("touchmove", touchHandler, true);
document.addEventListener("touchend", touchHandler, true);
document.addEventListener("touchcancel", touchHandler, true);
// Hide the success message
$('#successMessage').hide();
$('#successMessage').css( {
left: '580px',
top: '250px',
width: 0,
height: 0
} );
// Reset the game
correctCards = 0;
$('#cardPile').html( '' );
$('#cardSlots').html( '' );
// Create the pile of shuffled cards
var numbers = [ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ];
numbers.sort( function() { return Math.random() - .5 } );
for ( var i=0; i<10; i++ ) {
$('<div>' + numbers[i] + '</div>').data( 'number', numbers[i] ).attr( 'id', 'card'+numbers[i] ).appendTo( '#cardPile' ).draggable( {
containment: '#content',
stack: '#cardPile div',
cursor: 'move',
revert: true
} );
}
// Create the card slots
var words = [ 'one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten' ];
for ( var i=1; i<=10; i++ ) {
$('<div>' + words[i-1] + '</div>').data( 'number', i ).appendTo( '#cardSlots' ).droppable( {
accept: '#cardPile div',
hoverClass: 'hovered',
drop: handleCardDrop
} );
}
}
function handleCardDrop( event, ui ) {
var slotNumber = $(this).data( 'number' );
var cardNumber = ui.draggable.data( 'number' );
// If the card was dropped to the correct slot,
// change the card colour, position it directly
// on top of the slot, and prevent it being dragged
// again
if ( slotNumber == cardNumber ) {
ui.draggable.addClass( 'correct' );
ui.draggable.draggable( 'disable' );
$(this).droppable( 'disable' );
ui.draggable.position( { of: $(this), my: 'left top', at: 'left top' } );
ui.draggable.draggable( 'option', 'revert', false );
correctCards++;
}
// If all the cards have been placed correctly then display a message
// and reset the cards for another go
if ( correctCards == 10 ) {
$('#successMessage').show();
$('#successMessage').animate( {
left: '380px',
top: '200px',
width: '400px',
height: '100px',
opacity: 1
} );
}
}
</script>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<link rel="stylesheet" type="text/css" href="style.css">
<style>
/* Add some margin to the page and set a default font and colour */
body {
margin: 30px;
font-family: "Georgia", serif;
line-height: 1.8em;
color: #333;
}
/* Main content area */
#content {
text-align: center;
-moz-user-select: none;
-webkit-user-select: none;
user-select: none;
}
/* Slots for final card positions */
#cardSlots {
margin: 50px auto 0 auto;
background: #ddf;
}
/* The initial pile of unsorted cards */
#cardPile {
margin: 0 auto;
background: #ffd;
}
#cardSlots, #cardPile {
width: 910px;
height: 120px;
padding: 20px;
border: 2px solid #333;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
-moz-box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
-webkit-box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
box-shadow: 0 0 .3em rgba(0, 0, 0, .8);
}
/* Individual cards and slots */
#cardSlots div, #cardPile div {
float: left;
width: 58px;
height: 78px;
padding: 10px;
padding-top: 40px;
padding-bottom: 0;
border: 2px solid #333;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
margin: 0 0 0 10px;
background: #fff;
}
#cardSlots div:first-child, #cardPile div:first-child {
margin-left: 0;
}
#cardSlots div.hovered {
background: #aaa;
}
#cardSlots div {
border-style: dashed;
}
#cardPile div {
background: #666;
color: #fff;
font-size: 50px;
text-shadow: 0 0 3px #000;
}
#cardPile div.ui-draggable-dragging {
-moz-box-shadow: 0 0 .5em rgba(0, 0, 0, .8);
-webkit-box-shadow: 0 0 .5em rgba(0, 0, 0, .8);
box-shadow: 0 0 .5em rgba(0, 0, 0, .8);
}
/* Individually coloured cards */
#card1.correct { background: red; }
#card2.correct { background: brown; }
#card3.correct { background: orange; }
#card4.correct { background: yellow; }
#card5.correct { background: green; }
#card6.correct { background: cyan; }
#card7.correct { background: blue; }
#card8.correct { background: indigo; }
#card9.correct { background: purple; }
#card10.correct { background: violet; }
/* "You did it!" message */
#successMessage {
position: absolute;
left: 580px;
top: 250px;
width: 0;
height: 0;
z-index: 100;
background: #dfd;
border: 2px solid #333;
-moz-border-radius: 10px;
-webkit-border-radius: 10px;
border-radius: 10px;
-moz-box-shadow: .3em .3em .5em rgba(0, 0, 0, .8);
-webkit-box-shadow: .3em .3em .5em rgba(0, 0, 0, .8);
box-shadow: .3em .3em .5em rgba(0, 0, 0, .8);
padding: 20px;
}
</style>
<div id="content">
<div id="cardPile"> </div>
<div id="cardSlots"> </div>
<div id="successMessage">
<h2>You did it!</h2>
<button onclick="init()">Play Again</button>
</div>
</div>
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