Camera.allCameras

説明

シーン内の有効なすべてのカメラを返します。

All cameras in the scene can be enabled or disabled. The allCameras value tells how many cameras are still enabled. If all the cameras are disabled then a value of zero will be returned.

using UnityEngine;

public class ExampleScript : MonoBehaviour
{
    private int count;

    void Start()
    {
        count = Camera.allCameras.Length;
        print("We've got " + count + " cameras");
    }
}