2019-12-31 19:17:29 +08:00
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---
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2020-02-11 16:35:18 +08:00
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title: CityBuild
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2019-12-31 19:17:29 +08:00
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order: 6
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---
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2020-02-11 16:35:18 +08:00
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## 使用
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```javascript
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import { CityBuildingLayer } from '@antv/l7';
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```
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### source
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同 [PolygonLayer](./polygon_layer/extrude)
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### size
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同 [PolygonLayer](./polygon_layer/extrude)
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### color
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[PolygonLayer](./polygon_layer/extrude)
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### animate
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开启动画效果
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```javascript
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layer.animate(true);
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```
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### style
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- baseColor 楼房颜色,
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- windowColor: 窗户颜色,
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- brightColor: 点亮窗户颜色
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其他 style 配置项同
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[layer#style](./layer#style)
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## 自定义动画频率
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自定义动画频率需要 关闭默认动画，通过 setLight 方法不断更新时间
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```javascript
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layer.animate(false);
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```
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### setLight(time)
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参数
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time : 时间 毫秒
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#### 完整代码
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```javascript
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const pointLayer = new CityBuildingLayer();
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pointLayer
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.source(await response.json())
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.size('floor', [0, 500])
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.color('rgba(242,246,250,1.0)')
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.animate({
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enable: true,
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})
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.style({
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opacity: 1.0,
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baseColor: 'rgb(16,16,16)',
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windowColor: 'rgb(30,60,89)',
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brightColor: 'rgb(255,176,38)',
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});
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scene.addLayer(pointLayer);
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```
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