void ProcessKeyboardMovement()
{
float h = CrossPlatformInputManager.GetAxis("Horizontal");
float v = CrossPlatformInputManager.GetAxis("Vertical");
// calculate camera relative direction to move:
Vector3 cameraForward = Vector3.Scale(Camera.main.transform.forward, new Vector3(1, 0, 1)).normalized;
Vector3 movement = v * cameraForward + h * Camera.main.transform.right;
character.Move(movement, false);
}