diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/l-system.lisp | 19 | ||||
| -rw-r--r-- | src/package.lisp | 4 |
2 files changed, 22 insertions, 1 deletions
diff --git a/src/l-system.lisp b/src/l-system.lisp index 5ea3801..d57c419 100644 --- a/src/l-system.lisp +++ b/src/l-system.lisp @@ -36,6 +36,14 @@ item)) (finally (return item)))) +(defun eval-l-system (fn list) + (iter (with seed = '(0 0 0)) + (for item in list) + (appending (setf seed + (mapcar #'+ + seed + (car (funcall fn item))))))) + #| (iterconcat (l-system (a a i a d a) (b b d b i b) @@ -53,4 +61,15 @@ A D A D B D A I A D A D A D B D A I A D A D A D B D B D B I B D A D B D B D B I B D A D B D B D B I B I B I A I B D B I B D A D B D A I A D A D A D B D B D B I B D A D B D) + +(eval-l-system (l-system (a (0.0 1.0 0.0)) + (b (0.0 -1.0 0.0)) + (i (-1.0 0.0 0.0)) + (d (1.0 0.0 0.0))) + (iter-l-system (l-system (a a i a d a) + (b b d b i b) + (i i b i a i) + (d d a d b d)) + '(d) + 3)) |# diff --git a/src/package.lisp b/src/package.lisp index db6f96e..be69e5f 100644 --- a/src/package.lisp +++ b/src/package.lisp @@ -3,5 +3,7 @@ (defpackage #:l-system (:use #:cl #:iter) (:export #:l-system - #:turtle)) + #:turtle + #:iter-l-system + #:eval-l-system)) |