在NGUI中，我们可以直接用spriteName = "想要替换的图片名称"; 就可以很方便的替换资源
而UGUI却相对要麻烦一点，下面为大家介绍比较常用的三种替换方式。
一、
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using UnityEngine; using System.Collections; using UnityEngine.UI; public class Test : MonoBehaviour { [SerializeField] Image myImage; // Use this for initialization void Start() { myImage.sprite = Resources.Load("Image/pic", typeof(Sprite)) as Sprite; // Image/pic 在 Assets/Resources/目录下 } } |
二、
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using UnityEngine; using System.Collections; using UnityEngine.UI; public class Test : MonoBehaviour { [SerializeField] Image myImage; [SerializeField] Sprite mySprite; // Use this for initialization void Start() { myImage.sprite = mySprite; // mySprite 为外部指定的图片资源 } } |
三、
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using UnityEngine; using System.Collections; using UnityEngine.UI; public class Test : MonoBehaviour { [SerializeField] Image myImage; // Use this for initialization void Start () { StartCoroutine(GetImage()); } IEnumerator GetImage() { string url = "http://www.5dbb.com/images/logo.gif"; WWW www = new WWW(url); yield return www; if (string.IsNullOrEmpty(www.error)) { Texture2D tex = www.texture; Sprite temp = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector2(0, 0)); myImage.sprite = temp; } } } |
我们要根据情况去选择使用哪种替换方式。
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