所謂路徑漫遊:即建立一個動态對象和一條由多點組成的線,然後讓動态對象沿着線飛行
首先繪制一條線,實際上路徑漫遊是不需要繪制線的,我這裡隻是為了确認動态對象是否沿着線路在飛行,代碼如下:
//繪制路徑
double[] cVerticesArray = null;
cVerticesArray = new double[] {
116.35, 27.98, 0,
116.45, 28.98, 0,
116.45, 28.11, 0,
116.65, 28.45, 0,
};
ILineString pILineString = sgWorld.Creator.GeometryCreator.CreateLineStringGeometry(cVerticesArray);
IColor66 color = sgWorld.Creator.CreateColor(255, 0, 0, 125);
var polyline = sgWorld.Creator.CreatePolyline(pILineString, color);
接下來建立動态對象,代碼如下:
var dynamicObject = this.sgWorld.Creator.CreateDynamicObject(0, DynamicMotionStyle.MOTION_GROUND_VEHICLE, DynamicObjectType.DYNAMIC_IMAGE_LABEL, @"F:\項目管理\智慧撫州\使用的Fly\data11\汽車圖示\整車.png", 50, AltitudeTypeCode.ATC_TERRAIN_RELATIVE, "", "動态對象");
參數說明:
第一個參數0:一組 IRouteWaypoint66對象,後續向動态對象中添加
第二個參數DynamicMotionStyle:移動方式,是一個枚舉類型,具體的效果大家可以去試一下
第三個參數DynamicObjectType:動态對象類型,是一個枚舉類型,該參數也決定了你第四個參數的檔案類型
第四個參數:由于第三個參數選擇的Image_label,這裡我選擇了一張圖檔
第五個參數50:檔案縮放大小
第六個參數AltitudeTypeCode:高度模式
動态對象建立完成之後就是建立路徑的拐點,代碼如下:
var wayPoint1 = this.sgWorld.Creator.CreateRouteWaypoint(116.35, 27.98, 0, 2000);
var wayPoint2 = this.sgWorld.Creator.CreateRouteWaypoint(116.45, 28.98, 0, 2000);
var wayPoint3 = this.sgWorld.Creator.CreateRouteWaypoint(116.55, 28.11, 0, 800);
var wayPoint4 = this.sgWorld.Creator.CreateRouteWaypoint(116.65, 28.45, 0, 800);
然後将拐點添加到動态對象中:
dynamicObject.Waypoints.AddWaypoint(wayPoint1);
dynamicObject.Waypoints.AddWaypoint(wayPoint2);
dynamicObject.Waypoints.AddWaypoint(wayPoint3);
dynamicObject.Waypoints.AddWaypoint(wayPoint4);
dynamicObject.CircularRoute = false;
dynamicObject.RestartRoute(0);
最後調用飛行到對象,就可以實作路徑漫遊效果:
sgWorld.Navigate.FlyTo(dynamicObject.ID, ActionCode.AC_JUMP);