update examples to use defn

examples/animation.lisp

@@ -5,6 +5,6 @@
 (def t (sin (div (time) 100)))
 
 (def pos (add 200 (mul 30 t)))
-(def square (lambda (a) (rect (add 200 a) a a a)))
+(defn square (a) (rect a a a a))
 (stroke (square pos) 1 "red")
 )

examples/dejong.lisp

@@ -1,18 +1,19 @@
+; dejong attractor
+
 (
   (clear)
-  (def point (lambda (x y color) (stroke (circle x y 0.1) 1 color)))
+  (defn point (x y color) (fill (circle x y 0.1) color))
-  (def _dejong (lambda (x y a b c d)
+  (defn _dejong (x y a b c d)
     (rest ((point 
-      (add 700 (mul 100 x))
+      (add 300 (mul 100 x))
       (add 400 (mul 100 y))
-      "rgba(255,0,0,1)")
+      "rgba(255,0,0,0.5)")
     (add (sin (mul a y)) (mul x (cos (mul b x))))
     (add (mul x (sin (mul x c))) (cos (mul d y)))
     ))
-  ))
+  )
 
-
+  (defn dejong (r a b c d)
-  (def dejong (lambda (r a b c d)
     (reduce  
       (lambda (acc val)
         (first (
@@ -21,6 +22,6 @@
       (range 0 r)
       (2 1)
     )
-  ))
+  )
-  (dejong 32000 1.4 -2.3 2.4 -2.1)
+  (dejong 128000 1.4 -2.3 2.4 -2.1)
 )

examples/recursive.lisp

@@ -1,15 +1,16 @@
+; recursive
+
 (
   (clear)
-  (def rec 
+  (defn rec 
-    (lambda (v)
+    (v)
       (if (gt v 0)
-        (
+        ((stroke (circle
-          (stroke (circle
                   (mul 5 v)
                   (mul 5 v)
                   (mul 5 v)) 1 "red")
-          (rec (sub v 5))
+        (rec (sub v 5))))
   )
-        (echo "done"))))
+        
   (rec 100)
 )