Lerp更像是線性衰減,而SmoothDamp像是弧形衰減,兩者都是由快而慢
其中SmoothDamp多用於相機跟隨。但如果其他類型的插值,我個人覺的其實都差不多
SmoothDamp:
transform.position = Vector3.SmoothDamp(transform.position, target.position, ref velocity, smoothTime);
Lerp:
transform.position = Vector3.Lerp(transform.position, target.position, 0.1f);
http://www.cnblogs.com/hont/p/5186637.html