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i could make a spell for you, but its pritty simple just make a triggerd spell like:
A unit finishs casting a spell
Spell being cast equal to blah blah
Do actions:
For each integriter 1-5 do actions:
Create 1 unit at point with polar offset by 1.00 twords angle of (casting unit).
Set varaible blah blah equals (last created unit)
order unit to move to pont with polar offset by (the range u want) twords angle of (attacked point)
Wait .30 seconds
This should create a wave of flames at the targeted area, if you wanted to make it a normal attack type however youd need to do a four part trigger:
A unit gains an item Equal to flamethrower (or) this can be passively created at the start.
Hero gaining item equal to blah blah
Do actions:
Set blah blah2 equal to hero gaining item (or the hero)
Create 1 flamethrower for player (a neutral player)at point (position of gianing ero) (or) (position of hero)
Set varaible blah blah equals last created unit
Then you need to:
Every .01 seconds
Hero has item equal to true (if its passive you dont need this)
Do actions:
Move unit blah blah to position of blah blah2
Finaly you need to:
A unit is order to attack.
Unit being ordered equal to blah blah2
Do actions:
set varaible blah blah3 equals targeted unit.
Change ownership of unit blah blah to owner of blah blah 2
Order blah blah to attack (targeted unit)
One other thing to change the unit back to a passive:
A generic unit dies.
Unit equal to blah blah 3
change ownership of blah blah to a neutral player.
For the flame thrower unit you need to change his attack speed to .01, his projectile to some sort of fire thing, his mld file to none.mld, his collision size to 0, his movement type to flying, his movement speed to 0, his flying height to 1, and his damage to what ever. Now, you must change him back when he finishs attacking.
Have fun
