3D的球

using UnityEngine;

using System.Collections;

public class Player : MonoBehaviour {

public GameObject obj_Player;

// Use this for initialization

void Start () {

}

// Update is called once per frame

void Update ()

{

obj_Player = GameObject.Find("Sphere");

if (Input.GetKeyDown (KeyCode.A)) 

{

obj_Player.transform.position += new Vector3 (-0.5f, 0, 0);

} 

else if (Input.GetKeyDown (KeyCode.D)) {

obj_Player.transform.position += new Vector3 (0.5f, 0, 0);

} 

else if (Input.GetKeyDown (KeyCode.W)) {

obj_Player.transform.position += new Vector3 (0, 0, 0.5f);

} 

else if (Input.GetKeyDown (KeyCode.S)) {

obj_Player.transform.position += new Vector3 (0, 0, -0.5f);

}

}

}