diff options
Diffstat (limited to 'samples/05_mouse/02_mouse_move/app/main.rb')
| -rw-r--r-- | samples/05_mouse/02_mouse_move/app/main.rb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/samples/05_mouse/02_mouse_move/app/main.rb b/samples/05_mouse/02_mouse_move/app/main.rb index 97edbe7..d9387dc 100644 --- a/samples/05_mouse/02_mouse_move/app/main.rb +++ b/samples/05_mouse/02_mouse_move/app/main.rb @@ -196,7 +196,7 @@ class ProtectThePuppiesFromTheZombies def calc_kill_zombie # Find all zombies that intersect with the player. They are considered killed. - killed_this_frame = state.zombies.find_all { |z| z.sprite.intersect_rect? state.player_sprite } + killed_this_frame = state.zombies.find_all { |z| z.sprite && (z.sprite.intersect_rect? state.player_sprite) } state.zombies = state.zombies - killed_this_frame # remove newly killed zombies from zombies collection state.killed_zombies += killed_this_frame # add newly killed zombies to killed zombies |