可横竖控制的Text bg Control

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

using UnityEngine; using UnityEngine.EventSystems; using UnityEngine.UI;   [RequireComponent(typeof(ContentSizeFitter))] public class textBgControl : UIBehaviour {       public int maxWidth = 630;     public int defaultHeight = 60;     private RectTransform bgRectTrans;     private RectTransform rectTrans;     private ContentSizeFitter sizeFitter;     private Text text;     private Vector2 sizedelta;       void Start ()     {         bgRectTrans = transform.parent.GetComponent<RectTransform>();         rectTrans = GetComponent<RectTransform>();                 text = GetComponent<Text>();     }       protected override void OnRectTransformDimensionsChange()     {         bgRectTrans = transform.parent.GetComponent<RectTransform>();         rectTrans = GetComponent<RectTransform>();           text = GetComponent<Text>();           sizeFitter = GetComponent<ContentSizeFitter>();         if (rectTrans.sizeDelta.x > maxWidth)         {             text.horizontalOverflow = HorizontalWrapMode.Wrap;             float height = GetWidthOrHeight(RectTransform.Axis.Vertical);                       sizedelta.Set(maxWidth, height);                   bgRectTrans.sizeDelta = sizedelta;         }         else         {             float width = GetWidthOrHeight(RectTransform.Axis.Horizontal);             sizedelta.Set(width,defaultHeight);             bgRectTrans.sizeDelta = sizedelta;         }     }       public float GetWidthOrHeight(RectTransform.Axis axis)     {         if (axis == RectTransform.Axis.Horizontal)             return rectTrans.rect.width;         return rectTrans.rect.height;     }   }