LAppModel.cs

public void setExpression(string name)
{
	if( ! expressions.ContainsKey( name ) )return;
	if( LAppDefine.DEBUG_LOG ) Debug.Log( "Setting expression : " + name ) ;
	AMotion motion=expressions[ name ] ;
	expressionManager.startMotion( motion , false ) ;
}

	public void setRandomExpression()
{
	int no=(int)(rand.NextDouble() * expressions.Count);

	string[] keys = new string[expressions.Count];
	expressions.Keys.CopyTo(keys,0);

	setExpression(keys[no]);
}