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140 lines
3.2 KiB
140 lines
3.2 KiB
<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>Document</title>
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<script src="konva.min.js"></script>
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</head>
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<body>
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<div id="map"></div>
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<script>
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//todo 滚动条
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//todo 可见范围渲染
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//
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window.onload=function (){
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const width=window.innerWidth*0.996;
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const height=window.innerHeight*.983
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const stage = new Konva.Stage({
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container: 'map', // id of container <div> *包裹舞台的DIV元素的ID
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width: width,
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height: height
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});
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const layer = new Konva.Layer();
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console.time()
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const cellWidth=94;
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const mountGroup=new Konva.Group({
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x:0,
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y:0,
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clip:{
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x:0,
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y:0,
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width:width,
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height:height
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}
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})
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const totalRow=100
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for (let row=0;row<totalRow;row++){
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//不在可视范围内隐藏显示
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const group = new Konva.Group({
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// visible:row>height/25?false:true,
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});
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group.setAttr('customData',{
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czbh:'c16-'+row
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})
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for (let col=0;col<20;col++){
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const cell=new Konva.Rect({
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x:col*cellWidth,
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y:row*25,
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width:cellWidth,
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height:25,
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stroke:'black',
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strokeWidth:1,
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})
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const text=new Konva.Text({
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x:col*cellWidth,
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y:row*25,
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width:cellWidth,
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height:25,
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lineHeight:2.5,
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stroke:'black',
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strokeWidth:0.1,
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text:col*row,
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align:'center',
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})
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group.add(cell)
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group.add(text)
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}
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group.on('click', function(evt) {
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console.log(evt.target)
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console.log('room obj', evt.target.parent.getAttr("customData"));
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});
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mountGroup.add(group)
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}
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console.log(mountGroup)
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console.timeEnd();
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// const clip=mountGroup.clip({
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// x:0,
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// y:height,
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// width:width,
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// height:height
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// })
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mountGroup.setAttr('height',totalRow*25)
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layer.add(mountGroup);
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// //添加滚动条
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// if (totalRow*25>height){
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// const group = new Konva.Group({
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// x:width-12,
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// y:0,
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// stroke:'gray',
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// strokeWidth:0.2,
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// });
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// const scroll=new Konva.Rect({
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// width:10,
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// height:height/(totalRow*25)*10,
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// fill:'gray'
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// })
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// group.add(scroll)
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// layer.add(group)
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// }
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//
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layer.on('wheel',(evt)=>{
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const ey=-evt.evt.deltaY
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const my=ey>0?10:-10
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for (let i=0;i<Math.abs(100);i+=10){
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const {x,y}=mountGroup.getAbsolutePosition()
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if (y>=0&&ey>0){
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break
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}
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mountGroup.move({
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y:my
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})
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}
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})
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// // create our shape *创建我们的形状
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// const circle = new Konva.Circle({
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// x: stage.getWidth() / 2,
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// y: stage.getHeight() / 2,
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// radius: 70,
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// fill: 'red',
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// stroke: 'black',
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// strokeWidth: 4
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// });
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//
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// // add the shape to the layer *将形状添加到图层上
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// layer.add(circle);
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// add the layer to the stage *将图层添加到舞台上
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stage.add(layer);
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setTimeout(()=>{
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// layer.remove()
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},2000)
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}
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</script>
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</body>
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</html>
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