New_BombBugsHelp

local BombBugs = RegisterMod("BombBugs", 1)
local game = Game()

-- reference item and the Tick

CollectibleType.COLLECTIBLE_BOMB_BUGS = Isaac.GetItemIdByName("Bomb Bugs")
local HasTick = false

-- getting a bug on a bomb explosion

function BombBugs:onExplosion()

	local bomb = entity:ToBomb()

    -- refernce player

   	local player = Isaac.GetPlayer(0)

    -- check, if a bomb explodes

    	if player:HasCollectible(CollectibleType.COLLECTIBLE_BOMB_BUGS) and Isaac.Explode(bomb.Position, bomb) then
        local rng = player:GetCollectibleRNG(CollectibleType.COLLECTIBLE_BOMB_BUGS)
        local roll = rng:RandomInt(100)
        	if roll < 90 then
        		player:AddBlueSpider(player.Position)

       	 	else
       			if HasTick == false then
                      		player:ToPlayer():AddTrinket(TrinketType.TRINKET_TICK)
                      		HasTick = true
                	end
        	end
    	end
end

BombBugs:AddCallback(ModCallbacks.MC_POST_UPDATE, BombBugs.onExplosion)