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Continuous conveyor belt

I am trying to create a continuous moving conveyor belt to transport resourses and I want to do it using physics.

I followed this tutorial from Epic Games(https://www.youtube.com/watch?v=aqRUe7pm4Ok) but this is not really what I am looking for.

I changed the "AddActorWorldOffset" node to "Add Force", "Add Impulse" and "Set Physics Linear Velocity", none of thies worked the way I wanted to.

The best resould I got was by having a very long platform and making it move, mimicing a real world conveyor belt. Now I want the platform to loop that movement whitout moving :D (Same prinicple as a tank track)

If anyone has any idea of how to do this in blueprint, please share it with me :)

Product Version: UE 4.19
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asked Apr 26 '18 at 07:52 PM in Blueprint Scripting

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avatar image sachinthakac Apr 26 '18 at 08:31 PM

Did you try splitting the platform into parts and moving those parts along the belt? So you can spawn another part at the beginning when the last part ends its journey and get destroyed? Kind of cool though.

avatar image megaxiphias Apr 26 '18 at 09:09 PM

I haven't tried that but I have tought of the same idea, the only thing I am afraid of is performance.

I am thinking if every transportbelt has to have, 50? segments to get a smooth transition, and there would be maybe 200 transportbelts :D

I will try this tomorrow anyway, se what happens just for test.

Keep the ideas incoming :)

avatar image megaxiphias Apr 27 '18 at 09:05 AM

I did a try with this, my conveyorbelt was 1 meter long (100uu) and had 10 segments looping, each segment 10 cm (10uu) long.

It worked to transport blocks on, but the belt itself look very "stuttering" (segments jumping back and forth quick) and it would sometime send the transported blocks flying :P

I feel there has to be an easy way to slove this :D altho I have no idea, maybe like having one portal at each end of the conveyor (like the the portal games) to loop in infinite.

avatar image JohnADaniels Dec 21 '18 at 07:50 PM

megaxiphias, did you ever figure this out? I feel the same way you do.

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I tried many methods like adding forces, projectile movement, and stuff. The only way it really worked is using AddActorWorldOffset. It's really easy to do. Here are some screenshots.

S1 S2 S3 Here's my blueprint. BP

Maybe you are doing something wrong? This video helped me.

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answered Apr 27 '18 at 03:02 PM

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avatar image megaxiphias Apr 27 '18 at 08:36 PM

I don't want to be picky, but in my first post, that was exactly the video I followed.

While the resoult isn't bad, in fact the best so far with that tutorial, during conveyor intersections and some other things, it looks weird and doesn't feel as a normal conveyor belt, that is why I am searching for a different method.

But thanks again for answering and trying it out yourself, very kind of you :)

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