-- The number of the basin to fall next
local _basinNum = 1

--Trigger with a comment "basin" or "Basin"
function onMessage(sender, name, message)

    -- content of the comment
    print(sender["name"].."「"..message.."」")

    --true if the comment includes either "basin" or "Basin"
    local basin = false
    if string.find(message,"basin") ~= nil then
        basin = true
    end
    if string.find(message,"Basin") ~= nil then
        basin = true
    end

    if basin == true then
        print("Drop a basin")
        local pos = Vector3.__new(0, 5, 0)
        BasinFire(pos)
    end
end
vci.message.On('comment', onMessage)

-- Drop a basin at the position "pos"
function BasinFire(pos)
    local basin = "T"..tostring(_basinNum)
    _basinNum = _basinNum + 1
    if _basinNum > 16 then
        _basinNum = 1
    end
    pos.y = pos.y + 0.5 * _basinNum
    vci.assets.GetTransform(basin).SetLocalPosition(pos)
    vci.assets.GetTransform(basin).SetLocalScale(Vector3.one)
    print("The position to drop a basin: "..tostring(pos))
end

-- For debugging
function onGrab(targe)
    if targe == "DebugSwitch" then
        print("Debug switch")
        local pos = Vector3.__new(0, 5, 0)
        BasinFire(pos)
    end
end