scope BladeDance

private struct Spell
      unit array blades[8]
      player owner
      real dmg
      real lifetime
      unit caster

static method create takes unit caster, real dps returns thistype
      local thistype this = thistype.allocate()
      local integer i = 0
      local real x = GetWidgetX(caster)
      local real y = GetWidgetY(caster)
      local real angle
      set this.caster = caster
      set this.owner=GetOwningPlayer(caster)
      set this.dmg=dps
      loop
      exitwhen i == 8
      set angle = 45*i
      set this.blades[i] = CreateUnit(this.owner, 'e000', PolarX(x, 100., angle), PolarY(y, 100., angle), angle)
      set i = i + 1
      endloop
      return this
endmethod
endstruct

globals
         private Spell array Instance
         private integer Total = 0
      private timer t = CreateTimer()
endglobals

private function Move takes nothing returns nothing
      local integer i = 0
      local integer i2 = 0
      local Spell s
      local real angle
      local real x
      local real y
         loop
      exitwhen i == Total
      set s = Instance[i]
      if (s.lifetime >= 10.) then
      loop
      exitwhen i2 == 8
      call KillUnit(s.blades[i2])
      set s.blades[i2] = null
      set i2 = i2 + 1
      endloop
      set s.caster = null
      set s.owner = null
      call s.destroy()
      set Instance[i] = Instance[Total-1]
      set Total = Total - 1
      else
      set x = GetWidgetX(s.caster)
      set y = GetWidgetY(s.caster)
      loop
      exitwhen i2 == 8
      set angle = GetUnitFacing(s.blades[i2]) + 25.
      call SetUnitPosition(s.blades[i2], PolarX(x, 100., angle), PolarY(y, 100., angle))
      call SetUnitFacing(s.blades[i2], angle)
      set i2 = i2 + 1
      endloop
      set s.lifetime = s.lifetime + .05
      endif
      set i = i + 1
         endloop
         if (Total == 0) then
      call PauseTimer(t)
         endif
endfunction

function onCast_BladeDance takes nothing returns nothing
      local unit u = GetTriggerUnit()
      local integer lvl = GetUnitAbilityLevel(u, 'A002')
      local Spell s = Spell.create(u, lvl*100, lvl*.10)
      if(Total == 0) then
      call TimerStart(t, .05, true, function Move)
      endif
      set Total = Total + 1
      set Instance[Total-1] = s
      set u = null
endfunction
endscope