protected override void OnUpdate(float timeStep)
{
Input input = Input;
if (vehicle != null)
{
// Get movement controls and assign them to the vehicle component. If UI has a focused element, clear controls
if (UI.FocusElement == null)
{
vehicle.Controls.Set(Vehicle.CtrlForward, input.GetKeyDown(Key.W));
vehicle.Controls.Set(Vehicle.CtrlBack, input.GetKeyDown(Key.S));
vehicle.Controls.Set(Vehicle.CtrlLeft, input.GetKeyDown(Key.A));
vehicle.Controls.Set(Vehicle.CtrlRight, input.GetKeyDown(Key.D));
// Add yaw & pitch from the mouse motion or touch input. Used only for the camera, does not affect motion
if (TouchEnabled)
{
for (uint i = 0; i < input.NumTouches; ++i)
{
TouchState state = input.GetTouch(i);
Camera camera = CameraNode.GetComponent<Camera>();
if (camera == null)
return;
var graphics = Graphics;
vehicle.Controls.Yaw += TouchSensitivity*camera.Fov/graphics.Height*state.Delta.X;
vehicle.Controls.Pitch += TouchSensitivity*camera.Fov/graphics.Height*state.Delta.Y;
}
}
else
{
vehicle.Controls.Yaw += (float)input.MouseMoveX * Vehicle.YawSensitivity;
vehicle.Controls.Pitch += (float)input.MouseMoveY * Vehicle.YawSensitivity;
}
// Limit pitch
vehicle.Controls.Pitch = MathHelper.Clamp(vehicle.Controls.Pitch, 0.0f, 80.0f);
// Check for loading / saving the scene
if (input.GetKeyPress(Key.F5))
{
scene.SaveXml(FileSystem.ProgramDir + "Data/Scenes/VehicleDemo.xml");
}
if (input.GetKeyPress(Key.F7))
{
scene.LoadXml(FileSystem.ProgramDir + "Data/Scenes/VehicleDemo.xml");
// After loading we have to reacquire the weak pointer to the Vehicle component, as it has been recreated
// Simply find the vehicle's scene node by name as there's only one of them
Node vehicleNode = scene.GetChild("Vehicle", true);
if (vehicleNode != null)
vehicle = vehicleNode.GetComponent<Vehicle>();
}
}
else
vehicle.Controls.Set(Vehicle.CtrlForward | Vehicle.CtrlBack | Vehicle.CtrlLeft | Vehicle.CtrlRight, false);
}
}
void CreateVehicle()
{
Node vehicleNode = scene.CreateChild("Vehicle");
vehicleNode.Position = (new Vector3(0.0f, 5.0f, 0.0f));
// Create the vehicle logic component
vehicle = new Vehicle();
vehicleNode.AddComponent(vehicle);
// Create the rendering and physics components
vehicle.Init();
}