naphy

demo: https://www.youtube.com/watch?v=fU-hMEc7FZk

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compiled and tested with mingw under windows
libraries for the native build are in lib/
the dlls from lib/ can be copied into the binary directory

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supported shapes:
    - circle
    - convex polygon
collision detection using separating axis test
collision data compiled in an arbiter
sequential impulses for collision correction
springs simulated using hooke's law
spatial indexing using quad trees

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src/naphy
    * core engine
src/gui
    * very basic gui
src/rend
    * wrappers for sdl renderer and related structures
src/utility
    * input/output, math header, timing
src/game
    * applicative layer for naphy
    * entites built with relational model instead of oop
src/test
    * demonstration scenes

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can't be used for much because:
    - stacking bodies fall apart
    - springs break under poor strength/damping coefs
    - no continuous collision detection