L-system / Lindenmayer system

                

                    This is a basic JavaScript implementation of an L-System.
                    Choose a preset or define your own variables and rules.
                


                

                    

                        Choose preset
                        

                            
                        

                        
                    

                


                

                    

                        Custom L-System
                        

                        

                            
                            
                            Single letters or symbols without spaces or commas in between.
                        


                        

                            
                            
                            Single letters or symbols without spaces or commas in between.
                        


                        

                            
                            
                            The initial value, used as is.
                        


                        

                            
                            
                            
                        


                        

                        Left side is a variable, right the replacement; used constants stay as they are.

                        
                    


                    

                        Drawing options

                        

                            

                                
                                
                            

                            

                                
                                
                                In milliseconds.
                            

                        


                        

                            

                                
                                
                                In degree.
                            

                            

                                
                                
                                In percentage of canvas.
                            

                        


                        

                            

                                
                                
                                In pixel.
                            

                            

                                
                                
                                In percentage of canvas; leave empty to center.
                            

                        


                        

                            

                                
                                
                                In percentage of canvas; leave empty to center.
                            

                            

                                
                                
                                In percentage of canvas; leave empty to center.