public override void Open()
{
// make the database used to accelerate proximity queries
_cyclePD = -1;
NextPD();
// create the specified number of Pedestrians
_population = 0;
for (int i = 0; i < 100; i++)
{
AddPedestrianToCrowd();
}
// initialize camera and selectedVehicle
Pedestrian firstPedestrian = _crowd[0];
Demo.Init3dCamera(firstPedestrian);
Demo.Camera.Mode = Camera.CameraMode.FixedDistanceOffset;
Demo.Camera.FixedTarget.X = 15;
Demo.Camera.FixedTarget.Y = 0;
Demo.Camera.FixedTarget.Z = 30;
Demo.Camera.FixedPosition.X = 15;
Demo.Camera.FixedPosition.Y = 70;
Demo.Camera.FixedPosition.Z = -70;
}
void AddPedestrianToCrowd()
{
_population++;
Pedestrian pedestrian = new Pedestrian(_pd, Annotations);
_crowd.Add(pedestrian);
if (_population == 1)
{
Demo.SelectedVehicle = pedestrian;
}
}
void RemovePedestrianFromCrowd()
{
if (_population > 0)
{
// save pointer to last pedestrian, then remove it from the crowd
_population--;
Pedestrian pedestrian = _crowd[_population];
_crowd.RemoveAt(_population);
// if it is OpenSteerDemo's selected vehicle, unselect it
if (pedestrian == Demo.SelectedVehicle)
{
Demo.SelectedVehicle = null;
}
}
}
void AddPedestrianToCrowd()
{
_population++;
Pedestrian pedestrian = new Pedestrian(_pd, Annotations);
_crowd.Add(pedestrian);
if (_population == 1) Demo.SelectedVehicle = pedestrian;
}