Unity 圆形按钮点击切换图片 - 代码示例

using UnityEngine;using UnityEngine.UI;public class CircleButton : MonoBehaviour{public bool isSolid = false;public static CircleButton selectedButton = null;private Image buttonImage;public Sprite solidSprite; // 实心样式的图片public Sprite normalSprite; // 正常样式的图片private void Start(){buttonImage = GetComponent();}public void OnButtonClick(){if (isSolid){ // 恢复原状isSolid = false;buttonImage.sprite = normalSprite;selectedButton = null;}else{ // 切换为实心样式if (selectedButton != null){selectedButton.isSolid = false;selectedButton.buttonImage.sprite = selectedButton.normalSprite;}isSolid = true;buttonImage.sprite = solidSprite;selectedButton = this;}}}