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| 暂无 | | 暂无 | ||
|} | |} | ||
| − | </div></div><div class="header"><div class="active">核心代码</div></div><div class="pre-wrap"><div class="pre-wrap-w pre-wrap-w-and"><pre class="prettyprint | + | </div></div><div class="header"><div class="active">核心代码</div></div><div class="pre-wrap"><div class="pre-wrap-w pre-wrap-w-and"><pre class="prettyprint codestyle"> // 构造飞机航线的贝塞尔曲线 |
let pointStart = new BMapGL.Point(117.225859, 36.572198); // 济南 | let pointStart = new BMapGL.Point(117.225859, 36.572198); // 济南 | ||
let pointMedium = new BMapGL.Point(117.231132, 38.986181); // 天津 | let pointMedium = new BMapGL.Point(117.231132, 38.986181); // 天津 | ||
| 第49行： | 第49行： | ||
})); | })); | ||
</pre> | </pre> | ||
| − | + | </div></div></div></div> | |
2020年10月9日 (五) 16:51的最后版本
贝塞尔曲线
功能场景
该示例以飞机航线为例，介绍贝塞尔曲线的应用。
DEMO
https://bj.bcebos.com/v1/mapopen/api-demos/video/贝塞尔曲线.mp4
贝塞尔曲线应用示例
核心接口
| 类 | 接口 | 描述 | 参考文档 |
| BezierCurve | new BMapGL.BezierCurve(path, controlPoints, opts） | 创建贝塞尔曲线 | 暂无 |
核心代码
// 构造飞机航线的贝塞尔曲线
let pointStart = new BMapGL.Point(117.225859, 36.572198); // 济南
let pointMedium = new BMapGL.Point(117.231132, 38.986181); // 天津
let pointEnd = new BMapGL.Point(116.453173, 39.926851); // 北京
let endP = new BMapGL.Point(116.455183, 39.999881);
let path = [
new BMapGL.Point(117.225859, 36.572198),
new BMapGL.Point(117.231132, 38.986181),
new BMapGL.Point(116.453173, 39.926851)
];
let controlPoints = [
[new BMapGL.Point(116.991968, 38.112096)],
[new BMapGL.Point(117.341516, 39.686244)]
];
let bc = new BMapGL.BezierCurve(path, controlPoints, {
strokeColor: '#00f',
strokeWeight: 5
});
map.addOverlay(bc);
// 添加起始点、途经点
let startIcon = new BMapGL.Icon('./images/start.png', new BMapGL.Size(28, 28));
let mediumIcon = new BMapGL.Icon('./images/medium.png', new BMapGL.Size(28, 28));
let endIcon = new BMapGL.Icon('./images/end.png', new BMapGL.Size(28, 28));
map.addOverlay(new BMapGL.Marker(pointStart, {
icon: startIcon
}));
map.addOverlay(new BMapGL.Marker(pointMedium, {
icon: mediumIcon
}));
map.addOverlay(new BMapGL.Marker(endP, {
icon: endIcon
}));