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Formula for block-snapping in building systems?

Asked by 2 years ago

Hello! I've been working on a simple building-system. I have a problem where when I move my cursor to the left (or right depending on which way I'm facing) it snaps halfway through the block instead of the mouse actually being outside of the part.

TLDR:

Join this game, Press Z, and move your mouse halfway through the block and it'll snap instead of the mouse actually being outside of the block.

https://www.roblox.com/games/1410833738/Building-Example

More information can be given via Discord - Goat#2976

local RS = game:GetService("ReplicatedStorage")
local remotes = RS:WaitForChild("Remotes")
local place = remotes:WaitForChild("Place")

local block = RS:WaitForChild("Part"):Clone()

local player = game:GetService("Players")['LocalPlayer']
local mouse = player:GetMouse()
mouse.TargetFilter = block

local building = false

local grid = 5

local function round(pos)
    local flooredValue = math.floor(pos)
    return (flooredValue - (flooredValue % grid))
end

game:GetService("UserInputService").InputBegan:Connect(function(key, typing)
    if key.KeyCode == Enum.KeyCode.Z and not typing then
        building = true
        block.Parent = workspace
        game:GetService("RunService").Heartbeat:Connect(function()
            block.CFrame = CFrame.new(round(mouse.Hit.p.X), mouse.Hit.p.Y + block.Size.Y / 2, round(mouse.Hit.p.Z))
        end)
    end
end)

mouse.Button1Down:Connect(function()
    if building then
        place:FireServer(block.Position, block.Orientation)
    end
end)
0
Anyone? ;-; gmatchOnRoblox 98 — 2y
0
I have this same problem! Someone answer this please? chasedig1 115 — 1y

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