How would i make a placement grid?
I'm making a build tool that creates parts wherever you click in the world. Thes script makes the parts do not pass trough each other, but, sometimes,if you put a part between two parts that are so together the part will pass through the other parts and i'd like to know how to make a placement grid to make the parts line up.
Here's a picture to help you understand my problem.
Here's the scripts.
-- Local script in the tool
local Event = game:GetService("ReplicatedStorage"):WaitForChild("PartsFromTool")
local equipped = false
script.Parent.Equipped:Connect(function(mouse)
equipped = true
game:GetService("UserInputService").InputBegan:Connect(function(input, g)
if (equipped == true) then
if (input.UserInputType == Enum.UserInputType.MouseButton1) then
local position = mouse.Hit
Event:FireServer(position)
end
end
end)
end)
script.Parent.Unequipped:Connect(function()
equipped = false
end)
-- Server Script in ServerScriptService
game:GetService("ReplicatedStorage"):WaitForChild("PartsFromTool").OnServerEvent:Connect(function(player, position)
local PCreated = Instance.new("Part")
PCreated.Parent = game.Workspace
PCreated.Size = Vector3.new(3, 3, 3)
PCreated.Material = "Brick"
PCreated.BrickColor = BrickColor.new("Persimmon")
PCreated.CFrame = CFrame.new(position.Position) * CFrame.Angles(0, 0, 0)
wait(0.001)
PCreated.Anchored = true
PCreated.CFrame = CFrame.new(PCreated.Position) * CFrame.Angles(0, 0, 0)
end)
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1 answer
To snap to a grid you need to do a bit of math. First you divide the mouse position by your grid then add 0.5 next round down or up and finally multiply by your grid. This will center the model on a grid of your choice. For rounding I will use math.floor() this rounds down no matter the value unless it is already an int (whole number).
Here is the code for snapping to a grid:
local player = game.Players.LocalPlayer
local mouse = player:GetMouse()
local Part = Instance.new("Part")
Part.Anchored = true
Part.Parent = workspace
local PosX, PosY, PosZ
local Grid = 2 -- Change this to your grid size
local function Snap()
PosX = math.floor(mouse.Hit.X / Grid + 0.5) * Grid -- Snaps
PosY = 1 -- Change this to your Y
PosZ = math.floor(mouse.Hit.Z / Grid + 0.5) * Grid -- Snaps
end
local function Move()
mouse.TargetFilter = Part -- Ignores the part
Snap()
Part.Position = Vector3.new(PosX, PosY, PosZ) -- Sets the position
end
Mouse.Move:Connect(Move)
Now I used Vector3.new() but you will want to use CFrame's.
Hope this works!
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