回転 スクリプト Sinで振動するVER

簡単なアニメーションはスクリプトで済ませてしまいたい！そのために

XYZ軸それぞれを指定の範囲でSinの滑らかさで変化させるスクリプト。
Inspectorからパラメータを調整可能。

木の枝の揺れなどに使う予定です。

var enableX:boolean = false;
var enableY:boolean = false;
var enableZ:boolean = false;

//theta
var thetaXmin:float = 0;
var thetaXmax:float = 0;
var XchangeSpeed:float = 1;

var thetaYmin:float = 0;
var thetaYmax:float = 0;
var YchangeSpeed:float = 1;

var thetaZmin:float = 0;
var thetaZmax:float = 0;
var ZchangeSpeed:float = 1;

function Update () {
	var thetaXmean:float = (thetaXmax + thetaXmin) / 2;
	var thetaXRadius:float = thetaXmax - thetaXmean;
	var thetaX:float;

	var thetaYmean:float = (thetaYmax + thetaYmin) / 2;
	var thetaYRadius:float = thetaYmax - thetaYmean;
	var thetaY:float;

	var thetaZmean:float = (thetaZmax + thetaZmin) / 2;
	var thetaZRadius:float = thetaZmax - thetaZmean;
	var thetaZ:float;

	var rotX = transform.eulerAngles.x;
	var rotY = transform.eulerAngles.y;
	var rotZ = transform.eulerAngles.z;

	if(enableX){rotX = thetaXmean + thetaXRadius * Mathf.Sin( Time.time * XchangeSpeed );}
	if(enableY){rotY = thetaYmean + thetaYRadius * Mathf.Sin( Time.time * YchangeSpeed );}
	if(enableZ){rotZ = thetaZmean + thetaZRadius * Mathf.Sin( Time.time * ZchangeSpeed );}

	transform.rotation = Quaternion.Euler(rotX, rotY, rotZ);
}