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Use JavaScript and Tencent Maps to implement map mark animation effects

PHPzOriginal: 2023-11-21 11:28:35944browse

Using JavaScript and Tencent Maps to achieve map mark animation effects

Introduction:
With the continuous development of Web technology, animation effects play an important role in web design character of. In map applications, marker animation can attract users' attention and improve user experience. This article will introduce how to use JavaScript and Tencent Maps to achieve the animation effect of map markers, and provide specific code examples.

1. Preparation
Before starting, we need to prepare the following environment:

Tencent Map JavaScript API: Register a Tencent Map developer account and obtain an API key.
HTML page: Create an HTML page containing a map container.
CSS styles: Add styles for map containers and marker animation effects.

2. Realize the map mark animation effect
The following is a specific code example to realize the map mark animation effect:

HTML page:

<!DOCTYPE html>
<html>
<head>
  <title>地图标记动画效果</title>
  <style>
 #mapContainer {
   width: 100%;
   height: 500px;
 }
  </style>
</head>
<body>
  <div id="mapContainer"></div>

  <script src="http://map.qq.com/api/js?v=2.exp&key=YOUR_API_KEY"></script>
  <script src="script.js"></script>
</body>
</html>

JavaScript code (script.js):

// 初始化地图
var map = new qq.maps.Map(document.getElementById('mapContainer'), {
  center: new qq.maps.LatLng(39.916527, 116.397128),
  zoom: 13
});

// 创建标记
var marker = new qq.maps.Marker({
  position: new qq.maps.LatLng(39.916527, 116.397128),
  map: map
});

// 创建动画效果
var animation = new qq.maps.MarkerAnimation({
  scale: [1.5, 1],          // 缩放动画效果
  alpha: [1, 0.6],          // 透明度动画效果
  rotation: [0, 180],       // 旋转动画效果
  easing: 'linear',         // 缓动动画方式（可选值：'linear', 'ease-in', 'ease-out', 'ease-in-out'）
  duration: 1500,           // 动画持续时间（毫秒）
  repeat: 'infinite',       // 动画重复次数（可选值：'infinite', 0, 1, 2, ...）
  delay: 500               // 动画延迟时间（毫秒）
});

// 执行动画效果
marker.setAnimation(animation);

3. Code explanation

In the HTML page, we created A div element with the ID "mapContainer" serves as the container for the map.
In the JavaScript code, we first initialize the map and specify the center coordinates and zoom level of the map.
Then, an instance of the marker is created and the location of the marker and the container to be displayed on the map are specified.
Next, we created a MarkerAnimation instance and set parameters for animation effects such as scaling, transparency, and rotation.
Finally, we apply the animation effect to the marker by calling the setAnimation method.

4. Summary
Through the above steps, we successfully implemented the sample code that uses JavaScript and Tencent Maps to achieve map mark animation effects. By adjusting the parameters in the code, we can customize different animation effects to meet actual needs. I hope this article can help readers understand the implementation principles of animation effects and further improve the user experience of map applications.

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