2D Camera Rotation Along Level Boundaries

I'm very unfamiliar with scripting and I started learning Unity a month and a half ago. I'm working on a 2D platformer for my class and I'd love to change my camera angle from a straight side view to a slightly downward looking angle (positive rotation along the Z axis). My class has been using a lot of standard assets and prefab scripts, and for this project we've been using a slightly customized Lerpz platformer demo. I have level boundaries collider that my camera is fixed upon, moving in only the X and Y axes. Since my boundaries inform my camera movement I assume that the most straightforward way to create rotation is to input transform.rotate in the boundaries script. Is this a correct assumption, or is there a better way? And if I should transform.rotate, how would I format it within the code? Would I create a variable function or combine it with function Start? Here's the complete LevelAttributes/Boundary script:

 // Size of the level
 var bounds : Rect;
 var fallOutBuffer = 5.0;
 var colliderThickness = 10.0;
 
 // Sea Green For the Win!
 private var sceneViewDisplayColor = Color (0.20, 0.74, 0.27, 0.50);
 
 static private var instance : LevelAttributes;
 
 static function GetInstance() {
     if (!instance) {
         instance = FindObjectOfType(LevelAttributes);
         if (!instance)
             Debug.LogError("There needs to be one active LevelAttributes script on a GameObject in your scene.");
     }
     return instance;
 }
 
 function OnDisable () {
     instance = null;
 }
 
 function OnDrawGizmos () {
     Gizmos.color = sceneViewDisplayColor;
     var lowerLeft = Vector3 (bounds.xMin, bounds.yMax, 0);
     var upperLeft = Vector3 (bounds.xMin, bounds.yMin, 0);
     var lowerRight = Vector3 (bounds.xMax, bounds.yMax, 0);
     var upperRight = Vector3 (bounds.xMax, bounds.yMin, 0);
     
     Gizmos.DrawLine (lowerLeft, upperLeft);
     Gizmos.DrawLine (upperLeft, upperRight);
     Gizmos.DrawLine (upperRight, lowerRight);
     Gizmos.DrawLine (lowerRight, lowerLeft);
 }
 
 function Start () {
     createdBoundaries = new GameObject ("Created Boundaries");
     createdBoundaries.transform.parent = transform;
     
     leftBoundary = new GameObject ("Left Boundary");
     leftBoundary.transform.parent = createdBoundaries.transform;
     boxCollider = leftBoundary.AddComponent (BoxCollider);
     boxCollider.size = Vector3 (colliderThickness, bounds.height + colliderThickness * 2.0 + fallOutBuffer, colliderThickness);
     boxCollider.center = Vector3 (bounds.xMin - colliderThickness * 0.5, bounds.y + bounds.height * 0.5 - fallOutBuffer * 0.5, 0.0);
     
     rightBoundary = new GameObject ("Right Boundary");
     rightBoundary.transform.parent = createdBoundaries.transform;
     boxCollider = rightBoundary.AddComponent (BoxCollider);
     boxCollider.size = Vector3 (colliderThickness, bounds.height + colliderThickness * 2.0 + fallOutBuffer, colliderThickness);
     boxCollider.center = Vector3 (bounds.xMax + colliderThickness * 0.5, bounds.y + bounds.height * 0.5 - fallOutBuffer * 0.5, 0.0);
     
     topBoundary = new GameObject ("Top Boundary");
     topBoundary.transform.parent = createdBoundaries.transform;
     boxCollider = topBoundary.AddComponent (BoxCollider);
     boxCollider.size = Vector3 (bounds.width + colliderThickness * 2.0, colliderThickness, colliderThickness);
     boxCollider.center = Vector3 (bounds.x + bounds.width * 0.5, bounds.yMax + colliderThickness * 0.5, 0.0);
     
     bottomBoundary = new GameObject ("Bottom Boundary (Including Fallout Buffer)");
     bottomBoundary.transform.parent = createdBoundaries.transform;
     boxCollider = bottomBoundary.AddComponent (BoxCollider);
     boxCollider.size = Vector3 (bounds.width + colliderThickness * 2.0, colliderThickness, colliderThickness);
     boxCollider.center = Vector3 (bounds.x + bounds.width * 0.5, bounds.yMin - colliderThickness * 0.5 - fallOutBuffer, 0.0);
 }