HTML5画布形状与KineticJS事件
2014-01-17 11:16
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检测形状与KineticJS事件,我们可以使用on()方法将事件处理程序绑定到一个节点。在()方法需要一个事件类型和事件发生时执行的函数。KineticJS支持鼠标悬停、mouseoutmouseenter、mouseleavemousemove,mousedown,mouseup,click,dblclick,dragstart,拖动结束桌面活动。
说明:Mouseover和mouseout三角形,鼠标悬停,mouseout,mousedown和mouseup循环。
<!DOCTYPE HTML>
<html>
<head>
<style>
body {
margin: 0px;
padding: 0px;
}
</style>
</head>
<body>
<div id="container"></div>
<script src="http://d3lp1msu2r81bx.cloudfront.net/kjs/js/lib/kinetic-v5.0.0.min.js"></script>
<script defer="defer">
function writeMessage(message) {
text.setText(message);
layer.draw();
}
var stage = new Kinetic.Stage({
container: 'container',
width: 578,
height: 200
});
var layer = new Kinetic.Layer();
var triangle = new Kinetic.RegularPolygon({
x: 190,
y: 120,
sides: 3,
radius: 80,
fill: '#00D2FF',
stroke: 'black',
strokeWidth: 4
});
var text = new Kinetic.Text({
x: 10,
y: 10,
fontFamily: 'Calibri',
fontSize: 24,
text: '',
fill: 'black'
});
triangle.on('mouseout', function() {
writeMessage('Mouseout triangle');
});
triangle.on('mousemove', function() {
var mousePos = stage.getPointerPosition();
var x = mousePos.x - 190;
var y = mousePos.y - 40;
writeMessage('x: ' + x + ', y: ' + y);
});
var circle = new Kinetic.Circle({
x: 380,
y: stage.height()/2,
radius: 70,
fill: 'red',
stroke: 'black',
strokeWidth: 4
});
circle.on('mouseover', function() {
writeMessage('Mouseover circle');
});
circle.on('mouseout', function() {
writeMessage('Mouseout circle');
});
circle.on('mousedown', function() {
writeMessage('Mousedown circle');
});
circle.on('mouseup', function() {
writeMessage('Mouseup circle');
});
layer.add(triangle);
layer.add(circle);
layer.add(text);
stage.add(layer);
</script>
</body>
</html>
说明:Mouseover和mouseout三角形,鼠标悬停,mouseout,mousedown和mouseup循环。
<!DOCTYPE HTML>
<html>
<head>
<style>
body {
margin: 0px;
padding: 0px;
}
</style>
</head>
<body>
<div id="container"></div>
<script src="http://d3lp1msu2r81bx.cloudfront.net/kjs/js/lib/kinetic-v5.0.0.min.js"></script>
<script defer="defer">
function writeMessage(message) {
text.setText(message);
layer.draw();
}
var stage = new Kinetic.Stage({
container: 'container',
width: 578,
height: 200
});
var layer = new Kinetic.Layer();
var triangle = new Kinetic.RegularPolygon({
x: 190,
y: 120,
sides: 3,
radius: 80,
fill: '#00D2FF',
stroke: 'black',
strokeWidth: 4
});
var text = new Kinetic.Text({
x: 10,
y: 10,
fontFamily: 'Calibri',
fontSize: 24,
text: '',
fill: 'black'
});
triangle.on('mouseout', function() {
writeMessage('Mouseout triangle');
});
triangle.on('mousemove', function() {
var mousePos = stage.getPointerPosition();
var x = mousePos.x - 190;
var y = mousePos.y - 40;
writeMessage('x: ' + x + ', y: ' + y);
});
var circle = new Kinetic.Circle({
x: 380,
y: stage.height()/2,
radius: 70,
fill: 'red',
stroke: 'black',
strokeWidth: 4
});
circle.on('mouseover', function() {
writeMessage('Mouseover circle');
});
circle.on('mouseout', function() {
writeMessage('Mouseout circle');
});
circle.on('mousedown', function() {
writeMessage('Mousedown circle');
});
circle.on('mouseup', function() {
writeMessage('Mouseup circle');
});
layer.add(triangle);
layer.add(circle);
layer.add(text);
stage.add(layer);
</script>
</body>
</html>
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