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Propeller

Hello, I want to get a propeller working for my submarine, I want is to accelerate when I hold the moveforward button and then decelerate and accelerate in the opposite spin direction when I switch to reverse. It seems simulating physics and adding torque looks the best but I can't figure out how to attach the propeller to my submarine. This doesn't seem that difficult but I've had no luck so far. Maybe going the non physics lerp rotation route would be easier? If someone could drop some wisdom on me I would appreciate it.

Product Version: UE 4.16
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asked Jul 31 '17 at 08:16 AM in Blueprint Scripting

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milkstache
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avatar image milkstache Jul 31 '17 at 10:34 AM

Solved it, without physics but with Rinterpolation.

avatar image ipninichuck Jul 31 '17 at 11:10 AM

I have been working with a submarine recently as well. Let me know if you need any more guidance, or want to exchange ideas.

avatar image milkstache Jul 31 '17 at 12:53 PM

Well if you know how to attach a component with simulated physics to dangle from an actor that would be useful, not for this but I had problems with that and it might be useful to know in the future. I'm working on a prototype and got the controls and torpedo working, nothing serious yet, just started working with unreal two weeks ago so my knowledge is very limited.

avatar image ipninichuck Aug 01 '17 at 02:13 AM

For the physics object you need to have a skeletal mesh so that you can use the Physics Asset Tool. Once you have a physics asset assigned to a skeletal mesh you can assign certain bones to be animated by physics. This has been used to create more realistic animations that would be very time consuming. One of the best examples are pontytails or things dangling on Chains. Epic developed their system while making the Paragon Game.

There is a very good live training video on the Unreal Engine Youtube channel that you should check out. I would also highly recommend watching as many of their tutorials as you can because they really build your knowledge well. I started using UE4 a year and half ago and they have really made a difference in my learning progression.

avatar image milkstache Aug 01 '17 at 07:36 AM

Thanks for the help, I'll look into that. As for the tutorials, I do find them very useful and it's where I go first when I get stuck with something but not just epic's but other channels too. Epic does a great job in their videos because they know exactly how it works to the core and they always make whatever they are doing foolproof but that can take time to explain and sometimes I just need a quick run through the basics of something where I was just missing a tick to make it work so I look to shorter tutorials in general. But definitely video learning is the way to go for me :) Thanks once more for the input, best of luck with your project/s

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