I'm trying to achieve a render texture plane but adventure creator for what I saw in automatic disable all the cameras when the game starts...I just need to have the main camera and another one active at the same time...is that possible?
The disabling is done in the Awake function, so attach a simple script to your Camera that re-enables it in the Start function. Something like this will do the trick (in C#):
Comments
void Start ()
{
this.camera.enabled = true;
}