public float? fov; // The desired FOV of the camera (optional).
// Lerp between two CameraInput values.
public static CameraInput Lerp(CameraInput from, CameraInput to, float t)
{
CameraInput result = new CameraInput();
result.position = Vector3.Lerp(from.position, to.position, t);
result.rotation = Quaternion.Slerp(from.rotation, to.rotation, t);
if (from.fov.HasValue && to.fov.HasValue)
{
result.fov = Mathf.Lerp(from.fov.Value, to.fov.Value, t);
}
return(result);
}
void LateUpdate()
{
// Call on each controller (camera, steering, and aiming) to do their thing.
// Camera
// Transition between the previous and current camera controllers if within transition transition time.
if (Time.time <= cameraTransitionEndTime && previousCameraController && cameraController)
{
// Get previous and new CameraController inputs
CameraInput previousCameraInput = previousCameraController.UpdateCamera(ref controlReferences);
CameraInput newCameraInput = cameraController.UpdateCamera(ref controlReferences);
// Set FOV to default if not set by controller to prepare for lerp.
if (!previousCameraInput.fov.HasValue)
{
previousCameraInput.fov = defaultCameraFOV;
}
if (!newCameraInput.fov.HasValue)
{
newCameraInput.fov = defaultCameraFOV;
}
// Calculate ratio from start to end transition time
float t = Mathf.InverseLerp(cameraTransitionEndTime - cameraTransitionTime, cameraTransitionEndTime, Time.time);
// Smooth out ratio value
t = Mathf.SmoothStep(0, 1, Mathf.SmoothStep(0, 1, t));
// Lerp between them
cameraInput = CameraInput.Lerp(previousCameraInput, newCameraInput, t);
}
else
{
// Exit the previous camera.
if (previousCameraController)
{
previousCameraController.Exit(ref controlReferences);
previousCameraController = null;
}
// Update the camera with the current controller.
if (cameraController)
{
cameraInput = cameraController.UpdateCamera(ref controlReferences);
}
}
// Update rig position/rotation with camera controller input.
transform.position = cameraInput.position;
transform.rotation = cameraInput.rotation;
// Update FOV
if (driverCamera)
{
driverCamera.fieldOfView = cameraInput.fov.HasValue ? cameraInput.fov.Value : defaultCameraFOV;
}
// Steering
if (steeringController)
{
vehicleInput = steeringController.UpdateSteering(ref controlReferences);
}
if (vehicle)
{
// Provide input to vehicle and turrets.
vehicle.input = vehicleInput;
// Aiming
if (aimingController)
{
turretInput = aimingController.UpdateAiming(ref controlReferences);
}
foreach (Turret turret in turrets)
{
turret.input = turretInput;
}
}
}