-- nameinarea.lua
-- Scripted by perelect. 23.07.2015.
-- Detects the distance between entities and the events are only triggered by a selected entity name that comes within range.
-- A learning script by perelect

local DetectionRange
local Entity_Distance
 
function nameinarea_init(e)
DetectionRange = 300 -- Adjust this number to change the range. 
 end
 
function nameinarea_main(e)
 for a = 1,1999 do
  if g_Entity[a] ~= nil then
     Entity_Distance = EntityDistance(e,a)
   if Entity_Distance < DetectionRange then
	if weapon_name[a] == "BlowMeUp" then -- BlowMeUp is the unique name of the entity/s that activates the events.
	-- Events ... You can add whatever events you like
    SetEntityHealth(e,0) -- this triggers an explosion from the entity with this script, if set to Explodable - You can trigger from either or both
    SetEntityHealth(a,0) -- this triggers an explosion from the entity that comes within range, if set to Explodable - You can trigger from either or both  
	-- End of Events... 
	end 
	--PromptLocal(a,"Dist "..math.ceil(Entity_Distance)) -- 4Testing
   end
  end
 end 
end
 
function EntityDistance(b,v)
local disx = g_Entity[b]['x'] - g_Entity[v]['x']
local disz = g_Entity[b]['z'] - g_Entity[v]['z']
local disy = g_Entity[b]['y'] - g_Entity[v]['y']
return math.sqrt(math.abs(disx*disx)+math.abs(disy*disy)+math.abs(disz*disz))
end

-- Free to use in commercial or non-commercial GameGuru games.