vehicle.h

   1 #pragma once
   2 #include "vg/vg_rigidbody.h"
   3 #include "player.h"
   4 #include "world.h"
   5 #include "world_physics.h"
   6
   7 static float k_car_spring = 1.0f,
   8                 k_car_spring_damp = 0.001f,
   9                 k_car_spring_length = 0.5f,
  10                 k_car_wheel_radius = 0.2f,
  11                 k_car_friction_lat = 0.6f,
  12                 k_car_friction_roll = 0.01f,
  13                 k_car_drive_force = 1.0f,
  14                 k_car_air_resistance = 0.1f,
  15                 k_car_downforce      = 0.5f;
  16
  17 typedef struct drivable_vehicle drivable_vehicle;
  18 struct drivable_vehicle
  19 {
  20    int alive, inside;
  21    rigidbody rb;
  22
  23    v3f wheels[4];
  24
  25    float tangent_mass[4][2],
  26          normal_forces[4],
  27          tangent_forces[4][2];
  28
  29    float steer, drive;
  30    v3f steerv;
  31
  32    v3f   tangent_vectors[4][2];
  33    v3f   wheels_local[4];
  34 }
  35 extern gzoomer;
  36
  37 int spawn_car( int argc, const char *argv[] );
  38 void vehicle_init(void);
  39 void vehicle_wheel_force( int index );
  40 void vehicle_solve_friction(void);
  41 void vehicle_update_fixed(void);
  42 void vehicle_update_post(void);