Physx or Havok?

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12 comments, last by superoptimo 15 years, 1 month ago
Quote:Original post by MrRowl
Quote:Original post by crane
Thank you guys, I am doing a research project, a non-commercial one. And it is highyly possible I have to code in Windows XP


Perhaps you should consider other libraries - see the Sticky thread.


Thanks for the link. Why do you think I should consider another one? Neither Havok nor PhysX are good for me?
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As far as I can tell, Havok is free from Intel for PC development for commercial use. If you intend to sell your game for more than $10.00 USD, you have to apply for what appears to still be a free license.

http://software.intel.com/sites/havok/

"If you plan to sell your commercial PC Game above a retail value of $10 USD, (or equivalent amount in other currencies based on prevailing exchange rates at the time of launch), you must first request a no-charge PC Game distribution license from Havok at www.havok.com/PCgamedistribution, prior to retail release of your game. This PC Game distribution agreement is required to ensure you have complied with Havok logo, copyright, and attribution requirements, and that your application is a PC game (commercial non-game application distribution is not allowed). There will be no fee associated with this because the license fee has been covered by Intel under a commercial agreement with Havok."
src: http://www.havok.com/content/view/622//
Quote:Original post by Schrompf
I've personal experience with PhysX, and I found it to be well documented, and very fast. But from what I heard, the same goes for Havok :-) The one single fact that makes our development live much harder is the fact that PhysX insists on its runtime installation. You can't link statically to it, you can't simply put the neccessary DLLs into your executable folder. You *have* to install a runtime setup on your target machine, and there's quite a chance that it will conflict in some way with a earlier installment and simply doesn't work.

After using PhysX for about two years now in our game we consider switching to Havok.



Wow! It is really an invaluable piece of advice here. Is the GPU Acceleration good in PhysX? Because I want to do some real-time simulation, if I can use GPU to do the physical simulation then I can use CPU to focus on the complicated mathematical solver. I am using ODE right now, since changing the engine would require re-coding for most parts of my program, I would really like to find a "perfect" one to do my work without having to change it again in the future.

But according to your experience, maybe I have to choose havok.....:(. Does PhysX still require run-time environment?
In that case you should move from ODE to Bullet totally.

http://www.bulletphysics.com/Bullet/wordpress/

Is the best of the open source world.

Features:
- Deformable bodies and Cloth.
- GPU accelerated with CUDA.
- MultiThreaded and SIMD support.
- Runs literally on every platform: from PC to consoles like DS,WII,PS3, and also on the Iphone.

- Very liberal licence: MIT
- Very active comunity.
- Future proof.

Bullet could compete with Havok and PhysX.


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