Unity2D 人物移动切换人物图片

 

勾选Constraints_freeze Rotation_z轴锁定，防止碰撞偏移。

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       public float moveSpeed = 3f;//定义移动速度

       private SpriteRenderer sr;//引用

       public Sprite[] tankSprite; //数组储存替换素材

       /// <summary>

       /// 初始化

       /// </summary>

       private void Awake()

       {

              sr = GetComponent<SpriteRenderer>();

       }

       /// <summary>

       /// 固定帧执行，防止抖动

       /// </summary>

       private void FixedUpdate()

       {

              float h = Input.GetAxisRaw("Horizontal");

              float v = Input.GetAxisRaw("Vertical");

              transform.Translate(Vector3.right * h * moveSpeed * Time.fixedDeltaTime, Space.World);//上下转向

              transform.Translate(Vector3.up * v * moveSpeed * Time.fixedDeltaTime, Space.World);//左右转向

        if (h<0)

              {

                     sr.sprite = tankSprite[3];//替换为图片4

              }//下转向

              else if (h>0)

              {

                     sr.sprite = tankSprite[1];//替换为图片2

              }//上转向

              if (v < 0)

              {

                     sr.sprite = tankSprite[2];//替换为图片3

              }//右转向

              else if (v > 0)

              {

                     sr.sprite = tankSprite[0];//替换为图片1

              }//左转向

       }