added bounds checking on layer traversal

diff --git a/nogl/main.c b/nogl/main.c
index b8abb74..77b0c5f 100644 (file)
--- a/nogl/main.c
+++ b/nogl/main.c
@@ -66,9 +66,9 @@ int main()
                                quit = true;
                                break;
                        case LAYER_UP:
-                               //if(layer < 9){
-                               //      layer++;
-                               //}
+                               if(layer < 9){
+                                       layer++;
+                               }
                                layer++;
                                brndr_set_rendered_layer(layer);
                                brndr_render();