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Dark GDK / Newton Game Dynamics with GDK?

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prasoc
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Posted: 18th Mar 2009 22:12
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NGD uses openGL, but GDK uses directX. would that conflict?
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Sharp Bullet
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Posted: 19th Mar 2009 22:29
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OpenGL is not DirectX! so if you want to compile the code using directx you must to recode parts of the code to adapt it to DX... well DGDK

First say to yourself what you would be; and then do what you have to do.
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prasoc
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Posted: 19th Mar 2009 22:31 Edited at: 19th Mar 2009 22:31
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thats what i thought... damn. What physics engines would you recommend?
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Sharp Bullet
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Posted: 19th Mar 2009 22:43 Edited at: 19th Mar 2009 23:09
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You can buy DarkPhysics. Then you are not forced to learn nothing about DX. But if you want a cool phy engine try NVIDIA PhysX.

warning! physx uses in own samples opengl

But you can make the syncronization between objects from physics engine and objects from youre game very easyly with matrix-es.

[EDIT]
Read this
http://www.gamedev.net/community/forums/topic.asp?topic_id=528043

First say to yourself what you would be; and then do what you have to do.
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prasoc
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Posted: 19th Mar 2009 23:09
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Ah, I might have to go that route then... So I use physx not actually ON dgdk objects, but positions (i am effectively loading 2 of the same object, one for the screen and one for the physics?)
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Sharp Bullet
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Posted: 19th Mar 2009 23:20
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...the position of the 2 objects will be the same after updating the physics engine.

well... you are not loading in the physics engine the same object that you load in youre game. For example you load a crate and asociate to this object a box from physics engine; this ones are not the same.

Installing the PhysX SDK you can see some samples and you can learn more if you want from the training programs and you can see how to implement the code for creating an physics engine.

First say to yourself what you would be; and then do what you have to do.
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prasoc
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Posted: 20th Mar 2009 00:11
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ok
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AndrewT
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Posted: 20th Mar 2009 03:25
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Newton does not use OpenGL. It's a physics engine; it's not tied to any particular rendering API. It just uses OpenGL for graphics in the examples. So, to answer, your question, Newton will work with DGDK, although it may take a bit of work getting it integrated properly. I'd suggest getting EZRotate, as I suspect Newton (and PhysX for that matter) uses matrices and EZRo will make it easier to integrate matrix transformations into DGDK.

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prasoc
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Posted: 20th Mar 2009 09:42
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thanks. it makes sense now
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entomophobiac
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Posted: 20th Mar 2009 14:21
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By the way, DarkPHYSICS uses PhysX -- if you get PhysX, you'd have to write your own wrapper. With DP, you have it for free, except that it won't be built specificially for your own purposes.
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