コンポーネントの要求

RequireComponentTest_01.cs

[RequireComponent(typeof(Rigidbody))]
public class RequireComponentTest : MonoBehaviour {

	Rigidbody rb;

	void Start(){
		rb = gameObject.GetComponent<Rigidbody>();
	}
	
	void Update(){
		rb.AddForce(new Vector3(10f, 10f, 10f));
	}
}