啊大大。

meng_yao/Assets/communal/ugui.meta

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meng_yao/Assets/communal/ugui/adaptive_ui.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+public class adaptive_ui : MonoBehaviour
+{
+    public RawImage rawImage; // 使用RawImage组件展示纹理
+    public RectTransform boundaryRect; // 代表边界矩形的RectTransform
+
+    void Start()
+    {
+        ScaleAndCropTexture();
+    }
+
+    void ScaleAndCropTexture()
+    {
+        Texture texture = rawImage.texture;
+        float textureWidth = texture.width;
+        float textureHeight = texture.height;
+
+        float boundaryWidth = boundaryRect.rect.width;
+        float boundaryHeight = boundaryRect.rect.height;
+
+        // 计算缩放比例，确保较短的一边适应边界矩形
+        float scaleFactor = Mathf.Max(boundaryWidth / textureWidth, boundaryHeight / textureHeight);
+
+        // 设置缩放后的尺寸
+        float newWidth = textureWidth * scaleFactor;
+        float newHeight = textureHeight * scaleFactor;
+
+        // 设置RawImage的RectTransform尺寸，使其居中并覆盖边界矩形
+        rawImage.rectTransform.sizeDelta = new Vector2(newWidth, newHeight);
+
+        // 裁剪超出的部分
+        rawImage.rectTransform.anchoredPosition = Vector2.zero; // 确保居中
+    }
+}

meng_yao/Assets/communal/ugui/adaptive_ui.cs.meta

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