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-   -   C++, SDL and Box2D game (http://www.go4expert.com/forums/cpp-sdl-box2d-game-t27532/)

ryaneoghan 4Jan2012 19:29

C++, SDL and Box2D game
Hello everyone, I'm in the process of trying to get some simple physics working in Box2D using SDL for rendering.
My question is this: how do I actually visualise the physics being done by Box2D using SDL? Is it a case of "grafting" bitmap graphics onto objects into the Box2D world?
Can anyone provide me with a simple code example? There is a shocking lack of tutorials online covering this so hopefully someone may be able to help.



mialuzzatto 6Oct2015 19:10

Re: C++, SDL and Box2D game

Your game obects would probaly have to create both SDL(Example: SDL_Surface*) and Box2D(Example: b2Body*) as structure.

Each update you use the box2D's step (Example: b2World::Step()) and for drawing you use SDL (SDL_BlitSurface(), SDL_Flip(), etc)

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