Snap to grid even if out of boundary

Help and Feedback Scripting Support
#1

How would I make the object snap even if the cursor is not on the grid?

For example, if you move your cursor, and if its out of the grid, I’d still like it to snap the object.

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#2

Show code

1 Like
#3 
RunService.Heartbeat:Connect(function(dt)
	if mouse.Target ==  nil then return end
	
	if mouse.Target.Parent.Parent.Name == "gridParts" then -- checks if its a grid part
		local pos = mouse.Target.CFrame
		
		TweenService:Create(selectionpart.PrimaryPart,TweenInfo.new(0.4,Enum.EasingStyle.Quad),
		{CFrame = pos * CFrame.Angles(0, math.rad(rotation), 0)}
		):Play()
	end
end)
2 Likes
#4

In addition to checking if the mouse is over a “gridParts” you should also add an elseif for the case where the mouse is outside the boundary.

From there, just use math.clamp to get the nearest position inside the grid and tween to that position

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#5

Thank you, how exactly would I use math.clamp to achieve that?

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#6

Edited your code a bit, commented the relevant parts too. Lmk if you have any other questions

--you will need to know the grid size in worldspace position
local gridsizeX = {0, 10}
local gridsizeZ = {0, 10}

RunService.Heartbeat:Connect(function(dt)
	if mouse.Target ==  nil then return end
	
	if mouse.Target.Parent.Parent.Name == "gridParts" then -- checks if its a grid part
		local pos = mouse.Target.CFrame
		
		TweenService:Create(selectionpart.PrimaryPart,TweenInfo.new(0.4,Enum.EasingStyle.Quad),
		{CFrame = pos * CFrame.Angles(0, math.rad(rotation), 0)}
		):Play()
	else
		--SECOND PART
		local pos = mouse.Target.CFrame

		--clamp the X/Z positions here and add the angle directly
		local cframeClampedPosition = CFrame.new(
			math.clamp(pos.X, gridsizeX[1], gridsizeX[2]),
			pos.Y,
			math.clamp(pos.Z, gridsizeZ[1], gridsizeZ[2])
		) * CFrame.Angles(0, math.rad(rotation), 0)

		TweenService:Create(selectionpart.PrimaryPart,TweenInfo.new(0.4,Enum.EasingStyle.Quad),
		{CFrame = cframeClampedPosition}
		):Play()
	end
end)
1 Like
#7 
local gridsizeX = {0, 10}
local gridsizeZ = {0, 10}

Thank you, would these variables be both the X/Z position? For example:

local gridsizeX = {workspace.plot.Position.X, workspace.plot.Position.X}
local gridsizeZ = {workspace.plot.Position.Z, workspace.plot.Position.Z}
2 Likes
#8 
local plot = workspace.plot
local plotSize = plot.Size

local gridsizeX = {
    plot.Position.X - plotSize.X / 2,
    plot.Position.X + plotSize.X / 2
}

local gridsizeZ = {
    plot.Position.Z - plotSize.Z / 2,
    plot.Position.Z + plotSize.Z / 2
}
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#9

It’s the position points like this image

image
image628×552 10.6 KB

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#10

I see, I tried with the updated code however doesnt seem to function properly

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#11

Yeah because the clamped positions are going to 0,10 in worldspace position. You need to find the actual bounds on your grid where the points are.

@bg9 provided good code to find those points

#12 
local plot = workspace.plot
local plotSize = plot.Size

local gridsizeX = {
    plot.Position.X - plotSize.X / 2,
    plot.Position.X + plotSize.X / 2
}

local gridsizeZ = {
    plot.Position.Z - plotSize.Z / 2,
    plot.Position.Z + plotSize.Z / 2
}

these positions you mean? I already have them as those not 0,10

1 Like
#13

Is your plot the black square in the video?

#14

Mhm correct, yes thats the plot workspace.plot

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#15

It might be rotated weird, like the XYZ might be flipped on it’s side so the orientation isn’t correct. Try playing around with the values until you find how it’s orientated. Or print out the gridsizeX and gridsizeZ to check if the positions are correct

#16

Try this:

--you will need to know the grid size in worldspace position
local plot = workspace.plot
local plotSize = plot.Size

local gridsizeX = {
    plot.Position.X - plotSize.X / 2,
    plot.Position.X + plotSize.X / 2
}

local gridsizeZ = {
    plot.Position.Z - plotSize.Z / 2,
    plot.Position.Z + plotSize.Z / 2
}

RunService.Heartbeat:Connect(function(dt)
	if mouse.Target ==  nil then return end
	
	if mouse.Target.Parent.Parent.Name == "gridParts" then -- checks if its a grid part
		local pos = mouse.Hit
		
		TweenService:Create(selectionpart.PrimaryPart,TweenInfo.new(0.4,Enum.EasingStyle.Quad),
		{CFrame = pos * CFrame.Angles(0, math.rad(rotation), 0)}
		):Play()
	else
		--SECOND PART
		local pos = mouse.Hit

		--clamp the X/Z positions here and add the angle directly
		local cframeClampedPosition = CFrame.new(
			math.clamp(pos.X, gridsizeX[1], gridsizeX[2]),
			pos.Y,
			math.clamp(pos.Z, gridsizeZ[1], gridsizeZ[2])
		) * CFrame.Angles(0, math.rad(rotation), 0)

		TweenService:Create(selectionpart.PrimaryPart,TweenInfo.new(0.4,Enum.EasingStyle.Quad),
		{CFrame = cframeClampedPosition}
		):Play()
	end
end)
#17

thats literally my code bro -_-

1 Like
#18

The orientation is 0,0,0 and the values are also correct, rotating doesn’t do anything

#19

What happens when you do this?

#20

This is the result, look above