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clock.html
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<!DOCTYPE html>
<html>
<head>
<!-- 必须强制指定页面编码为 UTF-8 -->
<meta charset="utf-8">
<!-- Demo 的简要说明，必须要填写 -->
<meta name="description" content="使用 Kity 绘制的仿真时钟">
<!-- Demo 的作者，建议填写 -->
<meta name="author" content="[email protected]">
<!-- Demo 的标题，必须填写 -->
<title>Kity Clock</title>
<!-- Demo 开发过程中使用 CMD 引入 Kity 源码，方便调试 -->
<!-- dev start -->
<!-- 目录型的 Demo 注意修正源码引用路径 -->
<script src="../dev-lib/sea.js"></script>
<script>
// 设置好 kity 源代码目录
seajs.config( { base: '../src'} );
// 定义 Demo 模块
define('demo', function(require) { require('kity'); });
</script>
<script>
// 启动 Demo 模块
seajs.use('demo');
</script>
<!-- dev end -->
<!-- 生产使用中可以直接引用发布压缩的版本 -->
<!-- production start -->
<!-- 目录型的 Demo 注意修正源码引用路径 -->
<!-- <script src="../dist/kity.min.js"></script> -->
<!-- production end -->
<style>
body, div, html {
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body>
<div id="clock" style="width: 100%; height: 100%; position: absolute;"></div>
</body>
<script>
// 绘图画布
var paper = new kity.Paper('clock').pipe(function() {
this.setWidth('100%').setHeight('100%');
this.setViewBox(-600, -600, 1200, 1200);
});
// 调色板
var palette = new kity.Palette().pipe(function() {
var gray = new kity.Color('gray');
this.add('outside', gray.dec('l', 20));
this.add('inside', gray.inc('l', 20));
this.add('big-ruler', gray.dec('l', 40));
this.add('small-ruler', gray.dec('l', 20));
this.add('h-pointer', gray.dec('l', 50));
this.add('m-pointer', gray.dec('l', 20));
this.add('s-pointer', new kity.Color('hsl(0, 75, 50)'));
this.add('frame-light', new kity.Color('white').dec('l', 5));
this.add('frame-dark', gray.dec('l', 10));
});
// 框架
paper.addShape(new kity.Circle(500).pipe(function(){
this.fill(new kity.LinearGradientBrush().pipe(function() {
this.addStop(0, palette.get('frame-dark'));
this.addStop(0.4, palette.get('frame-light'));
this.addStop(0.6, palette.get('frame-light'));
this.addStop(1, palette.get('frame-dark'));
paper.addResource(this);
}));
this.stroke( palette.get('outside') );
this.rotate(30);
}));
// 背景
paper.addShape(new kity.Circle(465).pipe(function(){
this.fill(new kity.LinearGradientBrush().pipe(function() {
this.addStop(0, palette.get('frame-light'));
this.addStop(0.4, palette.get('frame-dark'));
this.addStop(0.6, palette.get('frame-dark'));
this.addStop(1, palette.get('frame-light'));
paper.addResource(this);
}));
this.rotate(30);
}));
// 表盘
paper.addShape(new kity.Circle(450).pipe(function() {
this.stroke(palette.get('inside'), 8);
this.fill(new kity.RadialGradientBrush().pipe(function(brush){
paper.addResource(brush);
brush.setFocal(0.8, 0.2);
brush.setRadius(0.6);
brush.addStop(0, new kity.Color('white'));
brush.addStop(1, new kity.Color('hsl(0, 0, 80)'));
}));
}));
// 刻度
paper.addShape(new kity.Group().pipe(function() {
var minutes = 60, stepDeg = 360 / minutes;
var deg = 90, distance = 390, step = 0;
while(step < minutes) {
var rect;
if(!(step % 5)) {
rect = new kity.Rect(50, 10, 390, -5).fill(palette.get('big-ruler'));
} else {
rect = new kity.Rect(25, 6, 410, -3).fill(palette.get('small-ruler'));
}
this.addShape(rect.rotate(deg));
deg += stepDeg;
step ++;
}
}));
// hello kity
paper.addShape(new kity.Text().pipe(function() {
this.addSpan(new kity.TextSpan('Hello ').fill(new kity.Color('blue').set('s', 40)));
this.addSpan(new kity.TextSpan(' Kity').fill(new kity.Color('red').set('s', 40)));
this.setPath(new kity.Path().pipe(function() {
var radius = 280;
var start = kity.Point.fromPolar(radius, -120), end = kity.Point.fromPolar(radius, -60);
var d = this.getDrawer();
d.moveTo(start.x, start.y).carcTo(radius, 0, 1, end.x, end.y);
paper.addResource(this);
}));
this.setSize(50);
this.setStartOffset(50);
}));
// 指针类
var Pointer = kity.createClass('Pointer', {
base: kity.Path,
constructor: function( headWidth, tailWidth, length, offset, color ) {
this.callBase();
this.draw( headWidth, tailWidth, length, offset );
this.fill( color );
},
draw: function( headWidth, tailWidth, length, offset ) {
var d = this.getDrawer(),
x1 = -offset, y1 = -headWidth / 2,
x2 = length - offset, y2 = -tailWidth / 2;
d.moveTo( x1, y1 );
d.lineTo( x2, y2 );
d.lineTo( x2, -y2 );
d.lineTo( x1, -y1 );
d.close();
}
})
var hPointer, mPointer, sPointer, pointers;
hPointer = new Pointer( 30, 15, 300, 50, palette.get('h-pointer') );
mPointer = new Pointer( 20, 10, 400, 80, palette.get('m-pointer') );
sPointer = new Pointer( 10, 5, 450, 90, palette.get('s-pointer') );
pointers = new kity.Group().pipe(function(){
this.rotate(-90);
this.addShape(hPointer);
this.addShape(mPointer);
this.addShape(sPointer);
});
var msPointer = new Pointer( 10, 2, 80, 0, new kity.Color('gray'));
var msMeter = new kity.Group().pipe(function() {
this.addShape(new kity.Circle(90).pipe(function() {
this.stroke(palette.get('inside'), 5);
}));
this.addShape(msPointer);
this.addShape(new kity.Circle(8).fill(new kity.Color('gray')));
this.rotate(-90);
this.translate(0, 250);
});
var mmPointer = new Pointer( 4, 1, 40, 0, new kity.Color('gray'));
var mmMeter = new kity.Group().pipe(function() {
this.addShape(new kity.Circle(50).pipe(function() {
this.stroke(palette.get('inside'), 3);
}));
this.addShape(mmPointer);
this.addShape(new kity.Circle(6).fill(new kity.Color('gray')));
this.rotate(90);
var pos = kity.Point.fromPolar(250, 50);
this.translate(pos.x, pos.y);
});
paper.addShape(msMeter);
paper.addShape(mmMeter);
paper.addShape(pointers);
function updatePointers(frame) {
var time = new Date(),
h = time.getHours(),
m = time.getMinutes(),
s = time.getSeconds(),
ms = time % 1000,
mm = time % 500;
m += s / 60;
h += m / 60;
sPointer.setRotate(s * 6);
mPointer.setRotate(m * 6);
hPointer.setRotate(h * 30);
msPointer.setRotate(ms * 360 / 1000);
mmPointer.setRotate(mm * 360 / 500);
frame.next();
}
kity.requestFrame(updatePointers);
</script>
</html>