1 #ifndef PHYSICS_HH

     2 #define PHYSICS_HH

     3 

     4 #include "Vector.hh"

     5 

     6 #include <ClanLib/core.h>

     7 

     8 const uint16_t PHYSICS_TICK_MS = 10;

     9 

    10 // forward-declare

    11 class PhysicsObject;

    12 

    13 class PhysicsWorld {

    14     friend class PhysicsObject;

    15             

    16     private:

    17         CL_Timer tick_timer;

    18 

    19     protected:

    20         std::vector<PhysicsObject*> objects;

    21         Vector gravity;

    22         Vector dimensions;

    23 

    24         CL_SlotContainer slots;

    25         

    26         PhysicsWorld (Vector gravity, Vector dimensions);

    27 

    28     public:

    29         void addObject (PhysicsObject *object);

    30 

    31         void tick (void);

    32 };

    33 

    34 class PhysicsObject {

    35     protected:

    36         PhysicsWorld &world;

    37         float mass;

    38         Vector position;

    39         Vector velocity;

    40     

    41         PhysicsObject (PhysicsWorld &world, float mass, Vector position, Vector velocity);

    42 

    43         virtual void applyForce (Vector force, uint16_t dt);

    44         void updatePhysics (Vector position, Vector velocity);

    45     

    46     private:

    47         void updatePosition (void);

    48 

    49     public:

    50         Vector getPosition (void);

    51 

    52         void tick (void);

    53 };

    54 

    55 #endif