diff options
Diffstat (limited to 'src/bullets.c')
| -rw-r--r-- | src/bullets.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/bullets.c b/src/bullets.c index ed7ca58..26c7766 100644 --- a/src/bullets.c +++ b/src/bullets.c @@ -31,13 +31,22 @@ void shoot(platform_window* window, u32 id, float dirx, float diry) { float bullet_range = 100.0f; float hh = get_height_of_tile_under_coords(p->playerx, p->playery); - dirx += ((float)rand()/(float)(RAND_MAX/g.bullet_spread)-(g.bullet_spread/2)); - diry += ((float)rand()/(float)(RAND_MAX/g.bullet_spread)-(g.bullet_spread/2)); + float rads = atan2(dirx, diry); + float target1 = rads - (g.bullet_spread/2); + float target2 = rads + (g.bullet_spread/2); + + float target_rand = 0.0f; + { + float random = ((float) rand()) / (float) RAND_MAX; + float diff = target2 - target1; + float r = random * diff; + target_rand = target1 + r; + } float bulletx = p->gunx; float bullety = p->guny; - float bullet_end_point_x = bulletx+dirx*bullet_range; - float bullet_end_point_y = bullety+diry*bullet_range; + float bullet_end_point_x = bulletx+(sin(target_rand))*bullet_range; + float bullet_end_point_y = bullety+(cos(target_rand))*bullet_range; for (int i = 0; i < max_bullets; i++) { bullet b = bullets[i]; |