#ifndef CONSTS_H_
#define CONSTS_H_
#define LOOP_TIMESTEP                                                          \
  1000000LL // Wall-clock nanoseconds between updates (1 kHz).
#define PHYSICS_TIMESTEP 10.0f // Simulated seconds per update.
#define WALL_COLLISIONS 0      // Enable for bounded collision tests.
#define NEWTON_G 6.674e-11
#define EARTH_MASS 5.9722e24 // Kilograms per simulation mass unit.
#define UA 149.6E6
#define EARTH_RADIUS 6378.14 // Kilometers per simulation distance unit.
#define DISTANCE_UNIT_METERS (EARTH_RADIUS * 1000.0)
#define SIMULATION_G                                                           \
  (NEWTON_G * EARTH_MASS /                                                     \
   (DISTANCE_UNIT_METERS * DISTANCE_UNIT_METERS * DISTANCE_UNIT_METERS))

#endif // CONSTS_H_