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What is the best engine to create a dirt bike game that is more physics than animation?


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#1 ToolNIN   Members   -  Reputation: 106

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Posted 22 July 2014 - 06:28 PM

Currently I am a graphic designer using archicad for architecture and I want to create a new dirt bike game that would be like a combination of mx simulator and mx vs atv reflex.  I have been looking at a few engines like havoc and blender but im not sure which is the best and easiest to use for physics?.  Also I dont really know any coding, is there a way in the engines to control the physics without coding?

 

Thanks again for your help!

 

Shawn



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#2 rAm_y_   Members   -  Reputation: 485

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Posted 22 July 2014 - 10:44 PM

You could try Unreal Engine it has a pretty advanced visual scripting engine where you drag and drop nodes for the effects you need.



#3 Gian-Reto   Members   -  Reputation: 1822

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Posted 23 July 2014 - 02:24 AM

Unity has PhysX built in and is pretty friendly to newcomers.

 

Of course, at some point you will have to start to script the behaviour and control code for your objects and the physics system. This is also pretty newbie friendly with both C# and Javascript being an option, and with a large community and tons of tutorials help is always just a quick websearch away.

 

That said, visual scripting like what is possible in Unreal (I never used it, so IDK how useful that one is to someone without programming skills) is currently only possible in Unity with a paid third party tool from the asset store, playmaker, altough this is not too expensive and has a big following of satisfied customers it seems.


Edited by Gian-Reto, 23 July 2014 - 02:25 AM.


#4 ToolNIN   Members   -  Reputation: 106

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Posted 27 July 2014 - 01:17 AM

Thanks again guys.  I installed blender and have been watching tutorials and created the dirt bike model, howver I am not sure if ill be able to create the game using the physics I want.  I want the bike to have its own with the suspension and the rider to have his own.  Does anyone know if this is possible to do inside of blender myself?  Thanks again everyone!



#5 Gian-Reto   Members   -  Reputation: 1822

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Posted 28 July 2014 - 09:44 AM

I have little knowledge about the blender game engine, as far as I know it has a physics module built in, however that might not be the PhysX Engine I now know thanks to Unity.

 

 

However, some basics will still apply.

 

1) You need to be aware, whatever you setup in the physics engine is a pure game logic representation / abstraction of your 3D Model (which in turn is kind of an abstraction of a real world object).

This is important to note. Attaching the Physics model to your game object mightnot move the 3D Model in any way ... this depends a lot on how the physics component works and the 3D Model parenting is done.

 

2) for example, If you want your 3D Model wheels to move with the Physics Wheels (Wheelcolliders in PhysX), you need to write "glue code" that gets the Physics Wheel position / rotation, and then applies that to your 3D Model. 

This is at least true for the PhysX Wheel colliders.

 

2b) There might be some physics modules for your physics engine that already do part of this "glueing together" out of the box. In PhysX, for example, there are "joints". these will combine 2 colliders with a joint. As long as your colliders parent object contains the right 3D Model, the joint will affect the 3D Models without "glue code".

 

3) For the driver, the simple physics stuff will not suffice anymore. If you want to go cheap, and are happy with a slightly odd (dead smile.png ) looking driver, you could try softbody or ragdoll physics.

If you want to go the full distance, and want a realistic look, you need to do real animation on your driver 3D Model. That is a whole new topic altogether.

 

 

For the simple vehicle physics (minus the driver), you will most probably find good tutorials on the web. For Unity there is about half a dozen really good car racing tutorials that explain this setup, and there is at least one discussion where the pecularities of a two wheeled setup (which needs some additional code in addition to the standart wheel physics to keep the vehicle upright) were discussed in detail.

 

I can't really help you on the Blender Engine, sadly. But I guess, given the size of its community, some tutorials must be around.

 

 

Last thing to note, be aware that anything besides the most basic unrealistic car racing will need some HEAVY scripting layer on top of the physics engine to get any realistic result out of the physics engine.

Just be warned: No physics engine will do 100% of the work for you. What you see in all the good racing games with physics out there is more hard work of programmers and designers than Havoc or PhysX at work.


Edited by Gian-Reto, 28 July 2014 - 09:45 AM.





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