X-Git-Url: http://dolda2000.com/gitweb/?a=blobdiff_plain;f=src%2Fcore%2Fgame.rs;h=3dacac1560830d572d06c6ffe1ae989715d59158;hb=9768e2bbbcdfa38e84d593215c098ba96db754da;hp=eabbdf975ab36fc4edfb9682e4b7585f36fd490b;hpb=37f3e1edd969b4ede9dd033895ff806477f6e866;p=kaka%2Frust-sdl-test.git

diff --git a/src/core/game.rs b/src/core/game.rs
index eabbdf9..3dacac1 100644
--- a/src/core/game.rs
+++ b/src/core/game.rs
@@ -70,9 +70,11 @@ impl AppState for GameState {
 		self.world.level = self.lvlgen.generate();
 	    }
 	    Event::KeyDown { keycode: Some(Keycode::KpMinus), .. } => {
-		self.lvlgen.iterations = 1.max(self.lvlgen.iterations - 1);
-		println!("{} iteration(s) of cellular automata", self.lvlgen.iterations);
-		self.world.level = self.lvlgen.generate();
+		if self.lvlgen.iterations > 0 {
+		    self.lvlgen.iterations -= 1;
+		    println!("{} iteration(s) of cellular automata", self.lvlgen.iterations);
+		    self.world.level = self.lvlgen.generate();
+		}
 	    }
 	    _ => {}
 	}