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Physics simulation engine implemented, basic cases (null and 2d SideScroller) works

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Andrew Kesterson
2026-05-26 10:36:31 -04:00
parent d87c5d2c20
commit 314ce5e10d
8 changed files with 271 additions and 26 deletions
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40
include/akgl/physics.h Normal file
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#ifndef _PHYSICS_H_
#define _PHYSICS_H_
#include <SDL3/SDL.h>
#include <akerror.h>
#include <akgl/actor.h>
#include <akgl/iterator.h>
typedef struct akgl_PhysicsBackend {
akerr_ErrorContext AKERR_NOIGNORE *(*simulate)(struct akgl_PhysicsBackend *self, akgl_Iterator *opflags);
akerr_ErrorContext AKERR_NOIGNORE *(*gravity)(struct akgl_PhysicsBackend *self, akgl_Actor *actor, SDL_Time curtime);
akerr_ErrorContext AKERR_NOIGNORE *(*collide)(struct akgl_PhysicsBackend *self, akgl_Actor *a1, akgl_Actor *a2);
akerr_ErrorContext AKERR_NOIGNORE *(*move)(struct akgl_PhysicsBackend *self, akgl_Actor *actor, SDL_Time curtime);
double drag_x;
double drag_y;
double drag_z;
double gravity_x;
double gravity_y;
double gravity_z;
SDL_Time gravity_time;
SDL_Time timer_gravity;
} akgl_PhysicsBackend;
akerr_ErrorContext AKERR_NOIGNORE *akgl_physics_null_gravity(akgl_PhysicsBackend *self, akgl_Actor *actor, SDL_Time curtime);
akerr_ErrorContext AKERR_NOIGNORE *akgl_physics_null_collide(akgl_PhysicsBackend *self, akgl_Actor *a1, akgl_Actor *a2);
akerr_ErrorContext AKERR_NOIGNORE *akgl_physics_null_move(akgl_PhysicsBackend *self, akgl_Actor *actor, SDL_Time curtime);
akerr_ErrorContext AKERR_NOIGNORE *akgl_physics_init_null(akgl_PhysicsBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_physics_ss_gravity(akgl_PhysicsBackend *self, akgl_Actor *actor, SDL_Time curtime);
akerr_ErrorContext AKERR_NOIGNORE *akgl_physics_ss_collide(akgl_PhysicsBackend *self, akgl_Actor *a1, akgl_Actor *a2);
akerr_ErrorContext AKERR_NOIGNORE *akgl_physics_ss_move(akgl_PhysicsBackend *self, akgl_Actor *actor, SDL_Time curtime);
akerr_ErrorContext AKERR_NOIGNORE *akgl_physics_init_sidescroller(akgl_PhysicsBackend *self);
akerr_ErrorContext AKERR_NOIGNORE *akgl_physics_simulate(akgl_PhysicsBackend *self, akgl_Iterator *opflags);
#endif // _PHYSICS_H_