Screenshot only with specified cameras

Question

Hi everyone,

I want to take a screenshot of my game. BUT I want to limit the screenshot to specific cameras. AND while the screenshot is taken, the user should not see any changes to the game. There should be a camera shutter effect on the UI, but that should not be part of the screenshot.

In this example, I have 4 cameras:

Camera 1 renders the cube on Layer A. Clear Flag: Skybox
Camera 2 renders the 2 cylinders on Layer B. Clear Flag: Depth Only
Camera 3 renders the 1st User Interface (Canvas 1) on Layer C. Clear Flag: Depth Only
Camera 4 renders the 2nd User Interface (Canvas 2) on Layer D. Clear Flag: Depth Only

I only want the screenshot to include Camera 1, 2 and 3.

Here's what the player should see during gaming:

Here's what the screenshot should look like after it was taken and saved: What the saved screenshot should be

Answer 1

Have you tried just disabling the cameras you don't need? Put it into a coroutine and it should be fine. I needed something similar - I only wanted to take a screenshot from one camera in a fixed point but not the GUI and main camera.

 IEnumerator Screenshot()
 {
     // Disable unrequired cameras
     mainCamera.enabled = false;
     GUICamera.enabled=false;
 
     // Enable the camera to take a screenshot with 
     photographer.enabled=true;
 
     yield return new WaitForFixedUpdate();
 
     GetComponent<AudioSource>().PlayOneShot (shutter);
     
     int width = Screen.width;
     int height = Screen.height;
     
     Texture2D tex = new Texture2D(width, height, TextureFormat.RGB24,false);
     yield return new WaitForFixedUpdate();
 
     tex.ReadPixels(new Rect(0,0,width, height), 0,0);
     tex.Apply();
 
     // Do whatever with screenshot
     Destroy (tex);
 
     mainCamera.enabled = true;
     GUICamera.enabled=true;
     photographer.enabled=false;
 
     yield return (0);
 }

Screenshot only with specified cameras

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