太空大战背景移动的几种方式

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//两张背景分开移动
using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class Background : MonoBehaviour {public float speed =1;//背景移动速度public float time1 = 0;public float startime=5;public GameObject bj1;public GameObject bj2;Vector3 vec1;Vector3 vec2;// Use this for initializationvoid Start(){vec1 = bj1.transform.position;vec2 = bj2.transform.position;// Update is called once per frame
    }void Update(){time1 += Time.deltaTime;bj1.transform.Translate(new Vector3(0, 0, -0.02f * speed),Space.World);bj2.transform.Translate(new Vector3(0, 0, -0.02f * speed),Space.World);if (bj1.transform.position.z < -20){bj1.transform.position = vec2;}if (bj2.transform.position.z < -20){bj2.transform.position = vec2;}}}

两张背景图一起移动
using System.Collections;
using System.Collections.Generic;
using UnityEngine;public class back02 : MonoBehaviour {public float speed = 2;// Use this for initializationvoid Start () {}// Update is called once per framevoid Update () {transform.Translate(new Vector3(0, 0, -0.02f*speed), Space.World);if (transform.position.z < 0){transform.position = new Vector3(0, -5, 20);}}
}

3.材质移动

 public float speed = 0.25f;// Use this for initializationvoid Start () {// pos = transform.position;
    }// Update is called once per framevoid Update () {float move = Time.time * speed;GetComponent<MeshRenderer>().material.mainTextureOffset = new Vector2(0,move);}

4.用MoveTowards

using UnityEngine;
using System.Collections;public class GameGround : MonoBehaviour {public GameObject[] map;public Vector3 endsence ;public Vector3 startmountion;// Use this for initializationvoid Start () {}// Update is called once per framevoid Update () {movescene (map, endsence, 0.5f);
}void movescene(GameObject[] scene,Vector3 endsence,float speed){foreach(GameObject mysence in scene){if(mysence!=null){float dY=mysence.transform.localPosition.y-endsence.y;if(dY<0){print (1);mysence.transform.localPosition=startmountion+new Vector3(dY+0.05f,0,0);}mysence.transform.localPosition= Vector3.MoveTowards (mysence.transform.localPosition, new Vector3(0,-200f,0), Time.deltaTime *speed);}}}}