KRPano动态热点专用素材图50多个，加动态热点使用方法

<action name="do_crop_animation">
    <!-- 为热点注册属性 -->
    registerattribute(xframes, calc((imagewidth / %1) BOR 0));
    registerattribute(yframes, calc((imageheight / %2) BOR 0));
    registerattribute(frames, calc(xframes * yframes));
    registerattribute(frame, 0);
 
    set(crop, ‘0|0|%1|%2‘);
 
    setinterval(calc(‘crop_anim_‘ + name), calc(1.0 / %3),
        if(loaded,
            inc(frame);
            if(frame GE frames, if(onlastframe !== null, onlastframe() ); set(frame,0); );
            mod(xpos, frame, xframes);
            div(ypos, frame, xframes);
            Math.floor(ypos);
            mul(xpos, %1);
            mul(ypos, %2);
            calc(crop, xpos + ‘|‘ + ypos + ‘|%1|%2‘);
          ,
            clearinterval(calc(‘crop_anim_‘ + name));
          );
      );
</action>