Revision 1040
added some functions to initialize the world. still needs a lot of work
| world.h | ||
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#include <stdarg.h> |
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#define ID_OFFSET -1 |
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#define ID_RECTANGLE 3 |
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#define ID_CIRCLE 1
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#define ID_POLY 0
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#define ID_CIRCLE 2
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#define ID_NULL 0 |
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#define ID_POLY 1
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#define POLY_DISCONNECTED 0 |
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#define POLY_CONNECTED 1 |
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#define POLY_RECT 2 |
| ... | ... | |
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#define NUM_SHAPES 3 |
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#define RAY_MISS 1E30 |
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#define CREATE(id, ...) (create_func[id](__VA_ARGS__)) |
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#define PBBOX(b) {printf("(%g,%g) --> (%g, %g)\n",(b).p1.x,(b).p1.y,(b).p2.x,\
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(b).p2.y);} |
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typedef struct {
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double x; |
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double y; |
| ... | ... | |
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} object_t; |
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typedef struct {
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int num_objs; |
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int max_objs; |
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int cur_objs; |
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object_t *objs; |
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bbox_t world;
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bbox_t win;
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} world_t; |
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/* Specific collision functions */ |
| ... | ... | |
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* Must be listed in the same order as IDs */ |
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extern double (*collide_func[NUM_SHAPES])(ray_t *ray, object_t *obj); |
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extern int (*create_func[NUM_SHAPES])(object_t *obj, va_list ap); |
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extern int (*destroy_func[NUM_SHAPES])(object_t *obj); |
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extern world_t world; |
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int init_world(int num_objs, bbox_t b); |
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int destroy_world(void); |
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int create_poly(object_t *obj, va_list ap); |
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int destroy_poly(object_t *obj); |
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object_t *create(int id, ...); |
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void destroy_poly (object_t *obj); |
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void print_world(void); |
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void print_object(object_t *obj); |
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#endif |
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