diff options
Diffstat (limited to 'src/wall.c')
| -rw-r--r-- | src/wall.c | 49 |
1 files changed, 49 insertions, 0 deletions
@@ -1,4 +1,5 @@ #include "wall.h" +#include "rodeo.h" static rodeo_collision_2d_world_t collision_wall_world; @@ -53,3 +54,51 @@ coords_inside_wall( } return false; } + +void +moving_wall_resolver( + rodeo_collision_2d_world_item_t *obj_collision, + rodeo_collision_2d_world_item_t *wall_collision +) +{ + rodeo_collision_2d_world_item_t *p = obj_collision; + rodeo_collision_2d_world_item_t *w = wall_collision; + rodeo_rectangle_t step = (rodeo_rectangle_t){ + .x = p->x + p->dx * rodeo_frame_time_get(), + .y = p->y + p->dy * rodeo_frame_time_get(), + .width = p->width, + .height = p->height + }; + rodeo_rectangle_t intersection = rodeo_collision_2d_get_collision_rect(p, w); + if (intersection.width < intersection.height) { + if (intersection.x == step.x) { + p->x = w->x + w->width; + if (p->dx < 0) { + p->dx = 0; + } + } else { + p->x = w->x - p->width; + if (p->dx > 0) { + p->dx = 0; + } + } + } + else if (intersection.height < intersection.width) { + if (intersection.y == step.y) { + p->y = w->y + w->height; + if (p->dy < 0) { + p->dy = 0; + } + } else { + p->y = w->y - p->height; + if (p->dy > 0) { + p->dy = 0; + } + } + } + else if (p->width == w->width && p->height == w->height) { + p->dx = 0; + p->dy = 0; + } +} + |