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private Polyline realtimePolyline;
private Track finalizedTrack;
private List<LatLng> allPoints = new ArrayList<>();
private int[] allHeights = new int[0];
private int heightCounter = 1000;
private Marker aircraftMarker;
private Marker aircraftControllMarker;
private LocationClient locationClient;
/**
* 添加点 高度 进入地图
* @param newPoint
* @param height
*/
public void addPointCombined(LatLng newPoint, int height) {
// 添加新数据
allPoints.add(newPoint);
// 更新高度数组
int[] newHeights = Arrays.copyOf(allHeights, allHeights.length + 1);
newHeights[allHeights.length] = height;
allHeights = newHeights;
runOnUiThread(new Runnable() {
@Override
public void run() {
//更新点
if (aircraftMarker == null) {
// 第一次创建标记
MarkerOptions markerOptions = new MarkerOptions()
.position(newPoint)
.title("飞机位置")
.icon(BitmapDescriptorFactory.fromResource(R.mipmap.icon_plane)) // 你的飞机图标
.anchor(0.5f, 0.5f);
aircraftMarker = (Marker) baiduMap.addOverlay(markerOptions);
} else {
// 后续更新位置
aircraftMarker.setPosition(newPoint);
}
// 更新实时线段
if(allPoints.size()>=2){
if (realtimePolyline == null) {
PolylineOptions options = new PolylineOptions()
.points(allPoints)
.width(8)
.color(0xAA0000FF);
realtimePolyline = (Polyline) baiduMap.addOverlay(options);
} else {
realtimePolyline.setPoints(allPoints);
}
}
// 每20个点生成一次3D轨迹
if (allPoints.size() % 20 == 0) {
update3DTrack();
}
// 调整视角,移动到中心位置，测试先关闭
// MapStatusUpdate mapStatusUpdate = MapStatusUpdateFactory.newLatLng(newPoint);
// baiduMap.animateMapStatus(mapStatusUpdate);
}
});
}
/**
* 更新3D路线
*/
private void update3DTrack() {
if (finalizedTrack != null) {
finalizedTrack.remove();
}
// ... 自定义绘制颜色渐变到paletteBitmap ...
BitmapDescriptor paletteDesc = BitmapDescriptorFactory.fromResource(R.mipmap.ic_color);
// 方法1：从资源文件创建（推荐）
BitmapDescriptor projPalette = BitmapDescriptorFactory.fromResource(R.mipmap.ic_color);
BMTrackOptions options = new BMTrackOptions();
// options.setTrackType(BMTrackType.Surface);
options.setTrackType(BMTrackType.Default3D);
options.setPoints(allPoints);
options.setHeights(allHeights);
options.setPalette(createLineTexture(Color.parseColor("#4285F4"), 3));//一条显示，中间不显示
int[] gradientColors = {Color.RED, Color.YELLOW, Color.GREEN};
options.setOpacity(1f);
options.setPaletteOpacity(0.1f); // 透明度
options.setProjectionPalette(projPalette);
options.setWidth(10); // 轨迹宽度
options.setAnimationTime(100); // 动画时长（毫秒）
options.setTraceAnimationListener(mTraceAnimationListener);
// 其他设置...
finalizedTrack = (Track) baiduMap.addOverlay(options);
}
/**
* 动画监听
*/
private TraceAnimationListener mTraceAnimationListener = new TraceAnimationListener() {
@Override
public void onTraceAnimationUpdate(float v) {
// LogUtils.d("onTraceAnimationUpdate:"+v);
}
@Override
public void onTraceUpdatePosition(com.baidu.mapapi.model.LatLng latLng) {
// LogUtils.d("onTraceUpdatePosition:"+latLng.toString());
}
@Override
public void onTraceAnimationFinish() {
// LogUtils.d("onTraceAnimationFinish:");
}
};
//轨迹颜色start
private BitmapDescriptor createLineTexture(int color, int width) {
// 创建1xN像素的Bitmap（N=线宽）
// 创建一个1xwidth像素的纹理图
Bitmap bitmap = Bitmap.createBitmap(width, 1, Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
paint.setColor(color);
paint.setStrokeWidth(width);
canvas.drawLine(0, 0, width, 0, paint);
return BitmapDescriptorFactory.fromBitmap(bitmap);
}
//轨迹颜色end
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