public void StartFlight(double x, double y)
{
inUse = true;
globeDisplay.IsNavigating = true;
ESRI.ArcGIS.GlobeCore.esriGlobeCameraOrientationMode camOrientMode =
globeCamera.OrientationMode;
orbitalFly = (camOrientMode == ESRI.ArcGIS.GlobeCore.esriGlobeCameraOrientationMode.esriGlobeCameraOrientationLocal) ? true : false;
IPoint pObs = camera.Observer;
IPoint pTar = camera.Target;
observer = new GlobeFlyTool.PointZ(pObs.X, pObs.Y, pObs.Z);
target = new GlobeFlyTool.PointZ(pTar.X, pTar.Y, pTar.Z);
viewVec = target - observer;
distance = viewVec.Norm();
//avoid center of globe
if (target.Norm() < 0.25)
{
target = target + viewVec;
distance = distance * 2;
}
currentElevation = Math.Atan(viewVec.z / Math.Sqrt((viewVec.x * viewVec.x) + (viewVec.y + viewVec.y)));
currentAzimut = Math.Atan2(viewVec.y, viewVec.x);//2.26892;//
//Windows API call to get windows client coordinates
System.Drawing.Point pt = new System.Drawing.Point();
bool ans = GetCursorPos(ref pt);
Rectangle rect = new Rectangle();
if (GetWindowRect(globeDisplay.ActiveViewer.hWnd, ref rect) == 0)
{
return;
}
mouseX = pt.X - rect.Left;
mouseY = pt.Y - rect.Top;
if (!orbitalFly)
{
globeCamera.OrientationMode = esriGlobeCameraOrientationMode.esriGlobeCameraOrientationGlobal;
}
else
{
globeCamera.OrientationMode = esriGlobeCameraOrientationMode.esriGlobeCameraOrientationLocal;
}
globeCamera.NavigationType = esriGlobeNavigationType.esriGlobeNavigationFree;
globeCamera.RollFactor = 1.0;
globeDisplay.IsNavigating = true;
globeDisplay.IsNavigating = false;
globeDisplay.IsNavigating = true;
lastClock = theClock.TickCount;
//Windows API call to set cursor
SetCursor(moveFlyCur.Handle.ToInt32());
//Continue the flight
Flight();
}
public void Flight()
{
//speed in scene units
double motionUnit = (0.000001 + Math.Abs(observer.Norm() - 1.0) / 200.0) * motion;
//Get IMessageDispatcher interface
IMessageDispatcher pMessageDispatcher;
pMessageDispatcher = new MessageDispatcherClass();
//Set the ESC key to be seen as a cancel action
pMessageDispatcher.CancelOnClick = false;
pMessageDispatcher.CancelOnEscPress = true;
bCancel = false;
do
{
//Get the elapsed time
long currentClock = theClock.TickCount;
double lastFrameDuration = (double)(currentClock - lastClock) / 1000;
lastClock = currentClock;
if (lastFrameDuration < 0.01)
{
lastFrameDuration = 0.01;
}
if (lastFrameDuration > 1)
{
lastFrameDuration = 0.1;
}
System.Diagnostics.Debug.Print(lastFrameDuration.ToString());
//Windows API call to get windows client coordinates
Rectangle rect = new Rectangle();
if (GetClientRect(globeDisplay.ActiveViewer.hWnd, ref rect) == 0)
{
return;
}
//Get normal vectors
double dXMouseNormal, dYMouseNormal;
dXMouseNormal = 2 * ((double)mouseX / (double)(rect.Right - rect.Left)) - 1;
dYMouseNormal = 2 * ((double)mouseY / (double)(rect.Bottom - rect.Top)) - 1;
PointZ dir = this.RotateNormal(lastFrameDuration, dXMouseNormal, dYMouseNormal);
PointZ visTarget = new PointZ(observer.x + distance * dir.x, observer.y + distance * dir.y, observer.z + distance * dir.z);
target.x = visTarget.x;
target.y = visTarget.y;
target.z = visTarget.z;
if (speed != 0)
{
int speedFactor = (speed > 0) ? (1 << speed) : -(1 << (-speed));
//Move the camera in the viewing directions
observer.x = observer.x + (lastFrameDuration * (2 ^ speedFactor) * motionUnit * dir.x);
observer.y = observer.y + (lastFrameDuration * (2 ^ speedFactor) * motionUnit * dir.y);
observer.z = observer.z + (lastFrameDuration * (2 ^ speedFactor) * motionUnit * dir.z);
target.x = target.x + (lastFrameDuration * (2 ^ speedFactor) * motionUnit * dir.x);
target.y = target.y + (lastFrameDuration * (2 ^ speedFactor) * motionUnit * dir.y);
target.z = target.z + (lastFrameDuration * (2 ^ speedFactor) * motionUnit * dir.z);
}
ESRI.ArcGIS.GlobeCore.IGlobeViewUtil globeViewUtil = globeCamera as ESRI.ArcGIS.GlobeCore.IGlobeViewUtil;
double obsLat;
double obsLon;
double obsAlt;
double tarLat;
double tarLon;
double tarAlt;
globeViewUtil.GeocentricToGeographic(observer.x, observer.y, observer.z, out obsLon, out obsLat, out obsAlt);
globeViewUtil.GeocentricToGeographic(target.x, target.y, target.z, out tarLon, out tarLat, out tarAlt);
globeCamera.SetObserverLatLonAlt(obsLat, obsLon, obsAlt / 1000);
globeCamera.SetTargetLatLonAlt(tarLat, tarLon, tarAlt / 1000);
globeCamera.SetAccurateViewDirection(target.x - observer.x, target.y - observer.y, target.z - observer.z);
double rollAngle = 0;
if (speed > 0)
{
rollAngle = 10 * dXMouseNormal * Math.Abs(dXMouseNormal);
}
camera.RollAngle = rollAngle;
//Redraw the scene viewer
globeDisplay.RefreshViewers();
//Dispatch any waiting messages: OnMouseMove / OnMouseUp / OnKeyUp events
object objCancel = bCancel as object;
pMessageDispatcher.Dispatch(globeDisplay.ActiveViewer.hWnd, false, out objCancel);
//End flight if ESC key pressed
if (bCancel == true)
{
EndFlight();
}
}while (inUse == true && bCancel == false);
bCancel = false;
}
public void StartFlight(double x, double y)
{
inUse = true;
globeDisplay.IsNavigating = true;
ESRI.ArcGIS.GlobeCore.esriGlobeCameraOrientationMode camOrientMode =
globeCamera.OrientationMode;
orbitalFly = (camOrientMode == ESRI.ArcGIS.GlobeCore.esriGlobeCameraOrientationMode.esriGlobeCameraOrientationLocal) ? true : false;
IPoint pObs = camera.Observer;
IPoint pTar = camera.Target;
observer = new GlobeFlyTool.PointZ(pObs.X, pObs.Y, pObs.Z);
target = new GlobeFlyTool.PointZ(pTar.X, pTar.Y, pTar.Z);
viewVec = target - observer;
distance = viewVec.Norm();
//avoid center of globe
if (target.Norm() < 0.25)
{
target = target + viewVec;
distance = distance * 2;
}
currentElevation = Math.Atan(viewVec.z / Math.Sqrt((viewVec.x * viewVec.x) + (viewVec.y + viewVec.y)));
currentAzimut = Math.Atan2(viewVec.y, viewVec.x);//2.26892;//
//Windows API call to get windows client coordinates
System.Drawing.Point pt = new System.Drawing.Point();
bool ans = GetCursorPos(ref pt);
Rectangle rect = new Rectangle();
if (GetWindowRect(globeDisplay.ActiveViewer.hWnd, ref rect) == 0) return;
mouseX = pt.X - rect.Left;
mouseY = pt.Y - rect.Top;
if (!orbitalFly)
{
globeCamera.OrientationMode = esriGlobeCameraOrientationMode.esriGlobeCameraOrientationGlobal;
}
else
{
globeCamera.OrientationMode = esriGlobeCameraOrientationMode.esriGlobeCameraOrientationLocal;
}
globeCamera.NavigationType = esriGlobeNavigationType.esriGlobeNavigationFree;
globeCamera.RollFactor = 1.0;
globeDisplay.IsNavigating = true;
globeDisplay.IsNavigating = false;
globeDisplay.IsNavigating = true;
lastClock = theClock.TickCount;
//Windows API call to set cursor
SetCursor(moveFlyCur.Handle.ToInt32());
//Continue the flight
Flight();
}