jolifantobambla / parametric-l-systems Goto Github PK

system tree {
            use turtle3d // shorthand for defining all turtle commands

            mod A(l,w)
            mod ~D(i) // ~<name> is special and needs to be defined by the user if used, <name> must be the name of a surface or obj
                      // if <name> names an obj, no param is allowed -> if surface only one iterations param is allowed!

            // params must have a default value
            param r1 = 0.0

            prod {
                1.0; _ < F(w,l) > _: _ -> ~D(w)
            }

            axiom A(100, w0)
        }

        // an instance must be a system
          instance x: tree {
            // an iteration must define the number of iterations
            iterations 15
            r1 = 2.0
        }

       scene {
          material 0 {
              diffuse 1.0, 0.0, 0.0
          }

          ambientlight {
              color 1.0, 1.0, 1.0
          }

          pointlight {
              position 1.0, 0.0, 0.0
              color 1.0, 1.0, 1.0
          }

          

          // only instances can be drawn
          draw x
          draw x with transform { ... }
        }


        // surface & obj commands are something for the future

        // surfaces may only be used in a system
        surface D {
            use surface3d // shorthand for defining all surface commands

            mod X()

            param = ..

            prod {
            }

            axiom
        } with transform {
            1., 0., 0., 0.,
            0., 1., 0., 0.,
            0., 0., 1., 0.,
            0., 0., 0., 1.,
        }

        // objs may only be used in a system
        obj X {
            https....
        } // omitted with transform block defaults to identity