diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/world.h | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/world.h b/src/world.h index d951cf5..72cc32f 100644 --- a/src/world.h +++ b/src/world.h @@ -69,11 +69,21 @@ class World { } void summonLifeAt(std::size_t x, std::size_t y) { - this->matrix_[y][x] = true; + if ( x >= 0 && + x < WIDTH && + y >= 0 && + y < HEIGHT ) { + this->matrix_[y][x] = true; + } } void extinguishLifeAt(std::size_t x, std::size_t y) { - this->matrix_[y][x] = false; + if ( x >= 0 && + x < WIDTH && + y >= 0 && + y < HEIGHT ) { + this->matrix_[y][x] = false; + } } void tick() { |