LAppModel.cs

public void startRandomMotion(string name ,int priority)
{
	int max = modelSetting.getMotionNum( name );
	int no = (int)(rand.NextDouble() * max ) ; // picking a random number from your motion group
	startMotion( name, no, priority ) ;
}

public void startMotion(string name, int no,int priority)
{
	string motionName = modelSetting.getMotionFile( name, no ) ;

	if( motionName==null || motionName.Equals( "" ) )
	{
		if(LAppDefine.DEBUG_LOG) Debug.Log("Motion name is invalid");
		return;
	}

	if( ! mainMotionManager.reserveMotion( priority ) )
	{
		if(LAppDefine.DEBUG_LOG){ Debug.Log("Do not play because book already playing, or playing a motion already");}
		return ;
	}

	AMotion motion = FileManager.loadAssetsMotion( motionName ) ;

	if( motion == null )
	{
		Debug.Log( "Failed to read the motion." ) ;
		mainMotionManager.setReservePriority( 0 ) ;
		return;
	}

	motion.setFadeIn(modelSetting.getMotionFadeIn(name, no));
	motion.setFadeOut(modelSetting.getMotionFadeOut(name, no));

	if( ( modelSetting.getMotionSound(name, no)) == null)
	{
		
		if(LAppDefine.DEBUG_LOG) Debug.Log("Start motion : "+motionName);
		mainMotionManager.startMotionPrio(motion,priority);
	}
	else
	{
		
		string soundPath=modelSetting.getMotionSound( name, no ) ;
    		soundPath = Regex.Replace(soundPath,".mp3$","");
    
		AudioClip acVoice=FileManager.loadAssetsSound( soundPath ) ;
		if(LAppDefine.DEBUG_LOG) Debug.Log("Start motion : "+motionName+"  voice : "+soundPath);
		startVoiceMotion( motion,acVoice,priority);
	}
}