IEnumerator InterceptFullScreen(Rect rect, Action <Texture2D> finishActionFunc = null)
{
yield return(new WaitForEndOfFrame());
nPictureRealWith = (int)rect.width;
nPictureRealHeight = (int)rect.height;
Texture2D screenShot = GetScreenShotTexture2D(rect);
// Texture2D screenShot = new Texture2D((int)rect.width, (int)rect.height, TextureFormat.RGB24, false);
screenShot.ReadPixels(rect, 0, 0);
screenShot.Apply();
//tex2DMainCameraAndUICamerasSreenShot = screenShot;
if (onCaptureMainCameraAndUICameraFinishedCallback != null)
{
onCaptureMainCameraAndUICameraFinishedCallback();
onCaptureMainCameraAndUICameraFinishedCallback = null;
}
if (finishActionFunc != null)
{
finishActionFunc.Invoke(screenShot);
finishActionFunc = null;
//Destroy(screenShot);
}
}
IEnumerator CaptureCamera(List <Camera> cameras, Rect rect, Action <Texture2D> finishActionFunc = null)
{
yield return(new WaitForEndOfFrame());
int ratio = 1;
rect.x *= ratio;
rect.y *= ratio;
rect.width *= ratio;
rect.height *= ratio;
nPictureRealWith = (int)rect.width;
nPictureRealHeight = (int)rect.height;
RenderTexture currentRT = RenderTexture.active;
RenderTexture rt = RenderTexture.GetTemporary(Screen.width * ratio, Screen.height * ratio, 24);
for (int i = 0; i < cameras.Count; i++)
{
Camera camera = cameras[i];
camera.targetTexture = rt;
camera.Render();
}
RenderTexture.active = rt;
Texture2D screenShot = GetScreenShotTexture2D(rect);
screenShot.ReadPixels(rect, 0, 0);// 注：这个时候，它是从RenderTexture.active中读取像素
screenShot.Apply();
for (int i = 0; i < cameras.Count; i++)
{
Camera camera = cameras[i];
camera.targetTexture = null;
}
RenderTexture.active = currentRT;
RenderTexture.ReleaseTemporary(rt);
if (onCaptureMainCameraAndUICameraFinishedCallback != null)
{
onCaptureMainCameraAndUICameraFinishedCallback();
onCaptureMainCameraAndUICameraFinishedCallback = null;
}
if (finishActionFunc != null)
{
finishActionFunc.Invoke(screenShot);
finishActionFunc = null;
//Destroy(screenShot);
}
}
