Unity检测UI上的像素 判断颜色
/***************************** * Title: * Date: 2022.11.01 * Author: 玄策 * UnityVersion: 2022.1.21 * Func: *****************************/using System.Collections;using System.Collections.Generic;using UnityEngine;using UnityEngine.UI;public class NewBehaviourScript : MonoBehaviour{ RenderTexture rt;//RawImage上的RenderTexture Texture2D texture; Color color; void Start() { StartCoroutine(CaptureScreenshot()); } IEnumerator CaptureScreenshot() { while (true) { //只在每一帧渲染完成后才读取屏幕信息 yield return new WaitForEndOfFrame(); //RawImage上的RenderTexture rt = GetComponent<RawImage>().texture as RenderTexture; texture = new Texture2D(rt.width, rt.height, TextureFormat.ARGB32, false); RenderTexture.active = rt; texture.ReadPixels(new Rect(0, 0, rt.width, rt.height), 0, 0); //RawImage上的trxture //texture = GetComponent<RawImage>().texture as Texture2D; texture.Apply(); color = texture.GetPixel((int)Input.mousePosition.x, (int)Input.mousePosition.y); Debug.Log ( color.r * 255 + ", " + color.g * 255 + ", " + color.b * 255 + ", " + color.a * 255); } }}
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