StringProperty s_text = (StringProperty)ExpressionUtils.GetProperty(Property.ThisProperty, "ソーステキスト");
int temp=0;
int cycle=60;// 周期
int num=00; // スタート
int start_frame=1,kankaku=30;
if(( Property.Index + 1 ) >= start_frame){
temp = (Property.Index - (start_frame - 1) + kankaku - 1) / kankaku;
num = ( num + cycle - (temp % cycle) ) % cycle;
s_text.TypeSafeValue = s_text.TypeSafeValue+num.ToString("d2");
}
//サンプル
http://u11.getuploader.com/NiVE/download/180/sample.zip