You're getting sleepy.

public class Cube : MonoBehaviour { public MeshRenderer Renderer; void Update() { transform.Rotate(10.0f * Time.deltaTime, Time.deltaTime, 2.0f * Time.deltaTime); transform.position = new Vector3(0.0f, 0.0f, Mathf.Sin(Time.time)); Material material = Renderer.material; material.color = new Color( Mathf.Sin(Time.time * 0.5f), Mathf.Sin(Time.time * 0.6f), Mathf.Sin(Time.time * 0.7f), 1.0f ); } }