Nice, works well! Though it doesn't look like fireworks for me, but more like water droplets crawling upwards on the windscreen or something. Example output: 



                                                                  O
                                                                 o    
+ O       
                                                                 *    
+ o       
                                                                 .    
+ *       
                                                                .     
+ .       
                                                                 .    
+.       
             O                                                       .
+         
            o                              O                          
+         
           *                              o                           
+         
           .                               *                          
+         
           .                               .                          
+         
            .                              .                          
+        
                                            .                         
+         
                     O                        O                       
+         
     O                o           O           o                       
+         
      o              *            o          *                        
+         
     *               .           *            .                       
+         
      .             .             .           .                       
+         
     .             .             .            .

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In reply to Re: Fireworks by ambrus
in thread Fireworks by Grimy

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