reinlined snek

snek/run-lines.lisp

@@ -0,0 +1,51 @@
+#!/usr/bin/sbcl --script
+
+(load "src/load")
+
+(setf *print-pretty* t)
+(setf *random-state* (make-random-state t))
+
+
+(defun main (size fn)
+
+  (let ((mid (.5* size))
+        (repeat 15)
+        (grains 4)
+        (itt 1000)
+        (sand (sandpaint*
+                size
+                :active (list 0.0 0.0 0.0 0.01)
+                :bg (list 1.0 1.0 1.0 1.0))))
+
+    (loop for i in (linspace 100 900 repeat)
+          for j from 1 to repeat do
+      (print j)
+      (let ((snk (snek*))
+            (va (list 0 0))
+            (vb (list 0 0))
+            (p1 (list 100 i))
+            (p2 (list 900 i)))
+
+        (loop for k from 1 to itt do
+          (let ((v1 (insert-vert (l-on-line k itt p1 p2) into snk))
+                (v2 (insert-vert (ladd va (l-on-line k itt p1 p2)) into snk)))
+
+            (setf va (ladd va (l-rand-in-circle (* 0.7 j))))
+            (setf vb (ladd vb (l-rand-in-circle (* 0.001 j))))
+
+            (with-snek (snk)
+              (with-all-verts (snk v)
+                (move-vert v (ladd (l-rand-in-circle 0.1) vb)))
+              (join-verts v1 v2))
+
+            (sandpaint-edges sand snk grains)
+            (sandpaint-verts sand snk)))))
+
+
+    (format t "~%writing to ~a" fn)
+    ;(sandpaint-chromatic-aberration sand (list mid mid) 100.0)
+    (sandpaint-save sand fn)))
+
+
+(time (main 1000 (second (cmd-args))))
+