void Update()
{
// Update head position and view direction
_headPosition = Camera.main.transform.position;
_viewDirection = Camera.main.transform.forward;
// If we're simply looking around, reposition cursor
if (_gazing)
{
RaycastHit hitInfo;
// Check if we hit any meshes in the view direction
if (Physics.Raycast(_headPosition, _viewDirection, out hitInfo))
{
// Turn on renderer for cursor
_cursorRenderer.enabled = true;
// Set cursor at hit position and rotate it so that the up-axis points along normal
_cursorTransform.position = hitInfo.point;
_cursorTransform.rotation = Quaternion.FromToRotation(Vector3.up, hitInfo.normal);
// Set the hit object as the currently focused object
_focusedObject = hitInfo.collider.gameObject;
// Special check for if the object is the cannon, since the colliders are on the base and the barrel and we want to target the cannon as a whole
if (_focusedObject.CompareTag("CannonChild"))
{
_focusedObject = _focusedObject.GetComponentInParent <CannonController>().gameObject;
}
else if (_focusedObject.CompareTag("Target"))
{
_focusedObject = _focusedObject.transform.parent.gameObject;
}
}
else
{
// Don't render the cursor and set focused object to null
_cursorRenderer.enabled = false;
_focusedObject = null;
}
}
else
{
// Don't render the cursor when we aren't trying to target something
_cursorRenderer.enabled = false;
}
if (_moving)
{
_focusedObject.transform.position += _moveDir * _moveSpeed;
}
if (_rotating)
{
if (_focusedObject.CompareTag("Cannon"))
{
_pitch = _cannonController.GetPitch() + (_pitchPace * _rotationSpeed * Time.deltaTime);
_yaw = _cannonController.GetYaw() + (_yawPace * _rotationSpeed * Time.deltaTime);
_cannonController.Aim(_pitch, _yaw);
}
else
{
Transform targetContainer = _focusedObject.transform;
targetContainer.eulerAngles = new Vector3(0.0f, targetContainer.eulerAngles.y + _yawPace * Time.deltaTime, 0.0f);
}
}
}