CameraManager - 3

CameraManager.cs

void Refresh() {
	float t = interpolationTimeAccum / interpolationTime;

	cachedCamera.fieldOfView = Mathf.Lerp(fromFov,  toCamera.fieldOfView,   t);

	//Rotate
	transform.rotation = toCamera.transform.rotation * Quaternion.Lerp(fromRotation, Quaternion.identity, t);

	//Translate
	transform.position = target.position;//Place in target position
	Vector3 p0 = fromPosition;
	Vector3 p1 = -toCamera.transform.worldToLocalMatrix.MultiplyPoint(target.position);
	Vector3 p2 = Vector3.Lerp(p0, p1, t);

	//Fix Z based on fov changes so height interpolates linearly (better interpolation on fov changes)
	float h0 = Mathf.Tan(fromFov * Mathf.Deg2Rad * 0.5f) * p0.z;
	float h1 = Mathf.Tan(toCamera.fieldOfView * Mathf.Deg2Rad * 0.5f) * p1.z;
	float h2 = Mathf.Lerp(h0, h1, t);
	p2.z = h2 / Mathf.Tan(cachedCamera.fieldOfView * Mathf.Deg2Rad * 0.5f);
	transform.Translate(p2);

	float tZ = (p1.z == p2.z) ? t : (p2.z - p0.z) / (p1.z - p0.z) ;
	cachedCamera.nearClipPlane = Mathf.Lerp(fromNear, toCamera.nearClipPlane, t);
	cachedCamera.farClipPlane  = Mathf.Lerp(fromFar,  toCamera.farClipPlane,  t);
}