antv-l7/demos/01_animatePoint.html

107 lines
2.3 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<meta name="geometry" content="diagram">
<link rel="stylesheet" href="./assets/common.css">
<link rel="stylesheet" href="./assets/info.css">
<title>point_circle</title>
<style>
#map { position:absolute; top:0; bottom:0; width:100%; }
.amap-maps {
cursor: auto !important
}
</style>
</head>
<body>
<div id="map"></div>
<script src="https://webapi.amap.com/maps?v=1.4.8&key=15cd8a57710d40c9b7c0e3cc120f1200&plugin=Map3D"></script>
<script src="./assets/jquery-3.2.1.min.js"></script>
<script src="./assets/dat.gui.min.js"></script>
<script src="../build/L7.js"></script>
<script>
var radius = 0.2;
function pointOnCircle(angle) {
return {
"type": "FeatureCollection",
"features": [
{
"type": "Feature",
"properties": {},
"geometry": {
"type": "Point",
"coordinates": [
120.19382669582967 + Math.cos(angle) * radius,
30.258134 + Math.sin(angle) * radius
]
}
}
]
}
}
console.log(pointOnCircle(10))
const scene = new L7.Scene({
id: 'map',
mapStyle: 'light', // 样式URL
center: [ 120.19382669582967, 30.258134 ],
pitch: 0,
zoom: 2,
maxZoom:20,
hash:true,
minZoom:0,
});
window.scene = scene;
scene.on('loaded', () => {
const circleLayer = scene.PointLayer({
zIndex: 0,
})
.source(pointOnCircle(0))
.shape('circle')
.size(10) // default 1
.active(true)
.color('#2894E0')
.style({
stroke: 'rgb(255,255,255)',
strokeWidth: 1,
opacity: 0.8
})
.render();
function animateMarker(timestamp) {
circleLayer.setData(pointOnCircle(timestamp / 1000));
requestAnimationFrame(animateMarker);
}
animateMarker(0);
/**
const layerText = scene.PointLayer({
zIndex: 3
})
.source(circleLayer.layerSource)
.shape('point_count', 'text')
.active(true)
.size('point_count', [ 0, 16]) // default 1
.color('#f00')
.style({
stroke: '#999',
strokeWidth: 0,
opacity: 1.0
})
.render();
console.log(layerText);
});
**/
});
</script>
</body>
</html>