哪个高手能帮我分析一下这个脚本啊~~~~~~~~~~~~~谢谢~！！

angon1990

scn zzAAFlashEnScript

ref spell
float z2
float x
float y
float z

begin scripteffectstart

if isactor == 0
    return
endif
if getdistance player <= 1
    return
endif

AACasterRef1.moveto player
AACasterRef2.moveto player

set x to getpos x
set y to getpos y
set z to getpos z
set z2 to z + 50

set spell to placeatme zzAAFlashItem 1 0 0
spell.setpos x x
spell.setpos y y
spell.setpos z z
AACasterRef1.setpos x x
AACasterRef1.setpos y y
AACasterRef1.setpos z z2
AACasterRef2.setpos x x
AACasterRef2.setpos y y
AACasterRef2.setpos z z
AACasterRef1.cast zzAAFlashSpell AACasterRef2
   
end

这是一个亚利德箭的脚本，本人想做一个中箭后触发冰柱效果的附魔，哪位大神能帮帮我呀~~~~~~~~~重赏RMB啊·``````````````