C# Fit Mesh In Frustum

  void FitMeshInFrustum(float distanceFromCamera) {
		currentWidth = Screen.width;
		if (initialSize && (prevWidth == currentWidth)) return;
		initialSize = true;
		float scaleX = 1.0f, scaleY = 1.0f;
		
		// Find mesh bounds
		cachedTransform.localScale = Vector3.one;
		Mesh mesh = GetComponentInChildren<MeshFilter>().mesh;
		mesh.RecalculateBounds();
		
		float meshWidth = mesh.bounds.extents.x * 2.0f;
		float meshHeight = mesh.bounds.extents.y * 2.0f;
		
		fudgeX = meshWidth * 0.25f;
		
		// Get frustum size
		float fov = CameraManager.Instance.camera.fov;
		float aspect = CameraManager.Instance.camera.aspect;
		float frustumHeight = 2.0f * distanceFromCamera * Mathf.Tan(fov * 0.5f * Mathf.Deg2Rad);
		float frustumWidth = frustumHeight * aspect;
		aspect = Screen.width / Screen.height;
		if (!naturalParalax) {// If paralaxing, add extra room
			frustumWidth += fudgeX + 0.25f;// * 0.5f;
			frustumHeight += fudgeY + 0.25f;// * 0.5f;
		}
		
		bool horizontal = Screen.width > Screen.height;//frustumWidth > frustumHeight;
		bool square = Screen.width == Screen.height;
		/*if (!horizontal) {
			float temp  = frustumHeight;
			frustumHeight = frustumWidth;
			frustumWidth = frustumHeight;
		}*/
		
		if (square) { // Ideally, this will never happen
			if (meshWidth == 0.0f) meshWidth = 0.001f;
			scaleX = scaleY = frustumWidth / meshWidth;
		} else if (horizontal) {
			if (meshWidth == 0.0f) meshWidth = 0.001f;
			scaleX = frustumWidth / meshWidth;
			#if COMPENSATE_FOR_TOP_GEOMETRY
				scaleY = scaleX * 1.5f / aspect;
			#elif ARBITRARI_STRETCH_COMPENSATION
				scaleY = scaleX * 1.25f / aspect;	
			#else
				scaleY = scaleX / aspect;
			#endif
			
		} else {
			if (meshHeight == 0.0f) meshHeight = 0.001f;
			scaleY = frustumHeight / meshHeight;
			#if COMPENSATE_FOR_TOP_GEOMETRY
				//scaleY *= 1.1f;
				//aspect *= 1.5f;
			#elif ARBITRARI_STRETCH_COMPENSATION
				scaleY *= 1.25f;
				aspect *= 1.25f;
			#endif
			scaleX = scaleY * aspect;
		}	

		cachedTransform.localScale = new Vector3(scaleX, scaleY, 1.0f);
		/*if (!horizontal && !square) {
			cachedTransform.localPosition += cachedTransform.up * -5.0f;
		}*/
		prevWidth = currentWidth;
	}