Unity截取RenderTexture某帧画面显示在Image上

Unity截取RenderTexture某帧画面显示在Image上

	public Camera cam;//挂载rendertexture的相机public Image im;//显示的imageRenderTexture fullBodyRender;Texture2D fullBodyTex;Sprite s;private void Start(){fullBodyRender = cam.targetTexture;}void JieTu(){fullBodyTex = getTexture2d(fullBodyRender);//将Texture2D转成Sprite格式s = Sprite.Create(fullBodyTex, new Rect(0, 0, fullBodyTex.width, fullBodyTex.height), Vector2.zero);im.gameObject.SetActive(true);im.sprite = s;}public Texture2D getTexture2d(RenderTexture renderT){if (renderT == null)return null;int width = renderT.width;int height = renderT.height;Texture2D tex2d = new Texture2D(width, height, TextureFormat.ARGB32, false);RenderTexture.active = renderT;tex2d.ReadPixels(new Rect(0, 0, width, height), 0, 0);tex2d.Apply();return tex2d;}