Grammar Input

Write rules using the current BNF grammar on the left. Parameters, calls, conditionals, transforms, axis deformation, and instances all auto-run after four seconds of idle time.


            
            
            
          

        

      


      

      

        

          

            
Scene Viewer

            
Angled-down home camera, enhanced key/fill/rim lighting, richer procedural materials, an XZ construction grid, an orientation axis widget, and XZ-plane auto orbit are built into the viewport.

          

          

            
          

        

        

          

            Your browser does not support the canvas element.
          

        

      


      

      

        

          

            
Console

            
Run log, parser feedback, BNF syntax hints, and quick diagnostics directly beneath the scene viewer.