//-------------------------------------------------------------------------
// Makes sure the lat/lon point is visible in the current map view, if not
// centre the view on the co-ordinates without changing the zoom level.
public void EnsurePointIsInView(double latitudeDeg, double longitudeDeg)
{
if (CurrentMapPosition == null || !CurrentMapPosition.CanSeePoint(latitudeDeg, longitudeDeg))
{
CentreMap(latitudeDeg, longitudeDeg);
}
}
public void runonce()
{
// rotate left
if (fKeyLeft)
{
if ((fPlayerArc -= ANGLE10) < ANGLE0)
{
fPlayerArc += ANGLE360;
}
}
// rotate right
else if (fKeyRight)
{
if ((fPlayerArc += ANGLE10) >= ANGLE360)
{
fPlayerArc -= ANGLE360;
}
}
// _____ _
// |\ arc |
// | \ y
// | \ |
// -
// |--x--|
//
// sin(arc)=y/diagonal
// cos(arc)=x/diagonal where diagonal=speed
double playerXDir = fCosTable[fPlayerArc];
double playerYDir = fSinTable[fPlayerArc];
// move forward
if (fKeyUp)
{
fPlayerX += (int)(playerXDir * fPlayerSpeed);
fPlayerY += (int)(playerYDir * fPlayerSpeed);
}
// move backward
else if (fKeyDown)
{
fPlayerX -= (int)(playerXDir * fPlayerSpeed);
fPlayerY -= (int)(playerYDir * fPlayerSpeed);
}
// get walls
ClipPlayer();
showStatus(CurrentMapPosition.ToString());
//render();
}
//-------------------------------------------------------------------------
public void ChangeView(double centreLatDeg, double centreLonDeg, double widthDeg, double heightDeg)
{
RaiseChangeViewEvent(new ChangeViewEventEventArgs(centreLatDeg, centreLonDeg, widthDeg, heightDeg));
double level = 1.0;
if (Map?.TileProvider != null)
{
level = Map.TileProvider.Level;
}
CurrentMapPosition.Update(centreLatDeg, centreLonDeg, widthDeg, heightDeg, level);
}
//*******************************************************************//
//* Running thread
//*******************************************************************//
public void run()
{
requestFocus();
// create offscreen buffer
fOffscreenImage = createImage(getSize().width, getSize().height);
fOffscreenGraphics = fOffscreenImage.getGraphics();
while (fThread != null)
{
// rotate left
if (fKeyLeft)
{
if ((fPlayerArc -= ANGLE10) < ANGLE0)
{
fPlayerArc += ANGLE360;
}
}
// rotate right
else if (fKeyRight)
{
if ((fPlayerArc += ANGLE10) >= ANGLE360)
{
fPlayerArc -= ANGLE360;
}
}
// _____ _
// |\ arc |
// | \ y
// | \ |
// -
// |--x--|
//
// sin(arc)=y/diagonal
// cos(arc)=x/diagonal where diagonal=speed
double playerXDir = fCosTable[fPlayerArc];
double playerYDir = fSinTable[fPlayerArc];
// move forward
if (fKeyUp)
{
fPlayerX += (int)(playerXDir * fPlayerSpeed);
fPlayerY += (int)(playerYDir * fPlayerSpeed);
}
// move backward
else if (fKeyDown)
{
fPlayerX -= (int)(playerXDir * fPlayerSpeed);
fPlayerY -= (int)(playerYDir * fPlayerSpeed);
}
// get walls
ClipPlayer();
showStatus(CurrentMapPosition.ToString());
render();
try
{
Thread.sleep(50);
}
catch //(System.Exception sleepProblem)
{
showStatus("Sleep problem");
}
}
}
