// Makes the camera follow this object by
// making it a child of this transform.
 
// Get the transform of the camera
var cameraTransform = Camera.main.transform;    
 
// make it a child of the current object
cameraTransform.parent = transform;
 
// place it behind the current object
cameraTransform.localPosition = -Vector3.forward * 5;
 
// make it point towards the object
cameraTransform.LookAt(transform);