src/physic.h

   1 //
   2 // C++ Interface: physic
   3 //
   4 // Description:
   5 //
   6 //
   7 // Author: Tobias Glaesser <tobi.web@gmx.de>, (C) 2004
   8 //
   9 // Copyright: See COPYING file that comes with this distribution
  10 //
  11 //
  12
  13 #ifndef SUPERTUX_PHYSIC_H
  14 #define SUPERTUX_PHYSIC_H
  15
  16 #include "timer.h"
  17
  18 enum {
  19   PH_VT, /* Vertical throw.*/
  20   PH_HA  /* Horizontal acceleration. */
  21 };
  22
  23 /* Physic type: */
  24
  25 struct physic_type
  26   {
  27     int state;
  28     float start_vy;
  29     float start_vx;
  30     float acceleration;
  31     unsigned int start_time;
  32 };
  33
  34 /* global variables. */
  35 extern float gravity;
  36
  37 void physic_init(physic_type* pphysic);
  38 int physic_get_state(physic_type* pphysic);
  39 void physic_set_state(physic_type* pphysic, int nstate);
  40 void physic_set_start_vy(physic_type* pphysic, float start_vy);
  41 void physic_set_start_vx(physic_type* pphysic, float start_vx);
  42 void physic_set_acceleration(physic_type* pphysic, float acceleration);
  43 int physic_is_set(physic_type* pphysic);
  44 float physic_get_velocity(physic_type* pphysic);
  45 float physic_get_max_distance(physic_type* pphysic);
  46 unsigned int physic_get_max_time(physic_type* pphysic);
  47 unsigned int physic_get_time_gone(physic_type* pphysic);
  48
  49 #endif /*SUPERTUX_PHYSIC_H*/