local function fireLaser()
-- Set an origin and directional vector
local rayOrigin = caster.Position
local rayDirection = Vector3.new(0, -100, 0)
-- Build a "RaycastParams" object and cast the ray
local raycastParams = RaycastParams.new()
raycastParams.FilterDescendantsInstances = {caster.Parent}
raycastParams.FilterType = Enum.RaycastFilterType.Blacklist
local raycastResult = workspace:Raycast(rayOrigin, rayDirection, raycastParams)
if raycastResult then
local hitPart = raycastResult.Instance
-- Check if the part resides in a folder, that it's fully visible, and not locked
if hitPart.Parent == workspace.Tiles and hitPart.Transparency == 0 and not hitPart.Locked then
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