How would I get a model to follow this path?

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#1

So, I’m attempting to make a vehicle that runs basically like a Tram (except it wont be attached to a guide wire).

EDIT: Actually, if I could just get it to follow a straightline, that’d be awesome!

If you can help me or have questions, please let me know! :smiley:

Here’s a diagram I drew up to hopefully explain what I’m trying to accomplish.

Drawing%20(7)
Drawing%20(7)1024×584 11 KB

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#2

Perhaps weld all of the items together using weld said or a weld script then just use pathfinding.

#3

Is the vehicle on a preset path like a tram, or is it controlled by a player or something?

#4

My buddy helped me come up with this:

P = Model:GetChildren()
for i=1, 1000 do
    for _,v in pairs(P) do
        v.CFrame = v.CFrame + Vector3.new(0,0.1,0)
    end
    wait()
end

Anyone who’s reading this, does that look right to you?

#5

I decided making it go straight would be easier, so it just has to go straight one direction from where I set it, it isn’t controlled by anyone except for the script that starts it.

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#6

Sure that can work if put in a loop, however it’d be better if you used something like :SetPrimaryPartCFrame or welds.

#7

Alrighty, I’ll see if that code works, and if it doesn’t prove to me satisfactory I’ll try something else. :slight_smile:
Thanks for your replies!

#8

Hi. I also reccomend what @EmeraldSlash said, about using SetPrimaryPartCFrame. All you have to do is create a primary part for the model. Then use :SetPrimaryPartCFrame() instead of looping through the entire model to move it, what @Noxility suggested.

EDIT: Not what Noxility suggested lol! What your friend came up with :joy:

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#9

I’ll try and set up both and overview their performance. Thanks!

#10

Thank you @EmeraldSlash and @xuefei123, :SetPrimaryPartCFrame() works tons better!

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#11

no no no no no
bad
Never use SetPrimaryPartCFrame

Use WeldConstraints and tween the main part or something

image
image1280×720 111 KB

:+1:

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#12

It’ll only be moving for about 5 minutes, 5 minutes shouldn’t make it get off by much if any at all.

#13

But then the “Tram” will be used again and again all day in the same server. You’ll start running into problems faster than you think.

TweenService would be a lot easier to deal with something like this, if it is just a background thing. if you want players to be able to ride it then you are going to have to work with constraints/body movers to get everything working nicely

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#14

All this place is going to be is a showcase, it’ll probably just be one player, so I don’t need to worry about it running all day and breaking since it’ll only run once per server for about 5 minutes.

#15

SetPrimaryPartCFrame is not bad in itself, the only problem arises when you’re doing floating point operations with a cumulative error. In the case of moving a part in a straight line from A to B this is much more negligable of an effect than when rotating the model again and again using the outcome of the previous rotation (relative) rather than a set of new coordinates (absolute).

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