diff --git a/fpp/cam-dir.scm~ b/fpp/cam-dir.scm~
deleted file mode 100644
index 1f2ec55..0000000
--- a/fpp/cam-dir.scm~
+++ /dev/null
@@ -1,10 +0,0 @@
-(clear)
-(show-axis 1)
-(clear-colour 0.5)
-(hint-wire)
-(define p (build-ribbon 2))
-
-(every-frame 
-    (with-primitive p
-        (pdata-set! "p" 1 
-            (vtransform-rot (vector 0 0 1) (minverse (get-camera-transform))))))
\ No newline at end of file
diff --git a/fpp/fpp.scm b/fpp/fpp.scm
index ea14bf8..42f6ef4 100644
--- a/fpp/fpp.scm
+++ b/fpp/fpp.scm
@@ -16,7 +16,7 @@
 (define twig%
     (class object%
         (init-field
-            (size 10)
+            (size 100)
             (radius 1)
             (speed 0.2))
         (field
@@ -29,24 +29,22 @@
         (define/public (build pos dir)
             (with-primitive root
                 (translate pos)
-                (if dir  (concat (maim (vector 0 0 1) dir))          
-                    (rotate (vmul (crndvec) 20)))))     
-        
-        
+                (if dir  (concat (maim dir (vector 0 0 1)))       
+                    (rotate (vmul (crndvec) 20)))))
         
         (define/public (update)
             (when (and (< age size) (< next-ring-time (time)))
                 (set! next-ring-time (+ (time) speed))
                 (with-state
                     (parent root)
-                    ;(hint-none)
-                    ; (hint-wire)
+                    (hint-none)
+                    (hint-wire)
                     (backfacecull 0)
                     (let* ((s (- size age))
                             (sr (* radius (/ s size))) 
-                            (er (* radius (/ (+ s 1) size))))
+                            (er (* radius (/ (- s 1) size))))
                         (translate (vector 0 0 age))
-                        (when (zero? (random 20))
+                        (when (zero? (random 10))
                             (with-state
                                 (identity)
                                 (set! child-twigs (cons 
@@ -73,7 +71,7 @@
             (debounce-time 0))
         
         (define/public (add-twig dir)
-            (let ((t (make-object twig% 100 1 0.01)))
+            (let ((t (make-object twig% 20 1 0.1)))
                 (set! twigs (cons (with-state
                             (colour (vector 0.3 0.8 0.4))
                             (send t build (vector 0 0 0) dir) t) twigs))))
@@ -100,7 +98,8 @@
 (clear)
 (show-axis 1)
 (clear-colour (vector 0.2 0.5 0.3))
-
+  
+(fog (vector 0.2 0.5 0.3) 0.1 1 100) 
 (define s (make-object seed%))
 
 (every-frame (send s update))
diff --git a/fpp/fpp.scm~ b/fpp/fpp.scm~
deleted file mode 100644
index a82c558..0000000
--- a/fpp/fpp.scm~
+++ /dev/null
@@ -1,106 +0,0 @@
-(require scheme/class)
-
-(define (build-ring n sr er)
-    (let ((p (build-polygons (+ (* n 2) 2) 'triangle-strip)))
-        (with-primitive p
-            (pdata-index-map!
-                (lambda (i p)
-                    (let ((a (* (/ (quotient i 2) n) (* 2 3.141)))
-                            (s (if (odd? i) sr er)))
-                        (vector (* (cos a) s) (* (sin a) s) (if (odd? i) 0 1))))
-                "p")
-            (recalc-normals 1))
-        p))
-
-
-(define twig%
-    (class object%
-        (init-field
-            (size 10)
-            (radius 1)
-            (speed 0.2))
-        (field
-            (root (build-locator))
-            (child-twigs '())
-            (age 0)
-            (tx (mident))
-            (next-ring-time 0))
-        
-        (define/public (build pos dir)
-            (with-primitive root
-                (translate pos)
-                (if dir  (concat (maim (vector 0 0 1) dir))          
-                    (rotate (vmul (crndvec) 20)))))     
-        
-        
-        
-        (define/public (update)
-            (when (and (< age size) (< next-ring-time (time)))
-                (set! next-ring-time (+ (time) speed))
-                (with-state
-                    (parent root)
-                    ;(hint-none)
-                    ;(hint-wire)
-                    (backfacecull 0)
-                    (let* ((s (- size age))
-                            (sr (* radius (/ s size))) 
-                            (er (* radius (/ (+ s 1) size))))
-                        (translate (vector 0 0 age))
-                        (when (zero? (random 20))
-                            (with-state
-                                (identity)
-                                (set! child-twigs (cons 
-                                        (make-object twig% (/ size 2) sr speed) child-twigs))
-                                (send (car child-twigs) build (vector 0 0 age) #f)))
-                        
-                        (build-ring 5 sr er)))
-                (set! age (+ age 1)))
-            (for-each 
-                (lambda (child)
-                    (send child update))
-                child-twigs))
-        
-        
-        
-        
-        (super-new)))
-
-(define seed%
-    (class object%
-        (field 
-            (twigs '())
-            (debounce #t)
-            (debounce-time 0))
-        
-        (define/public (add-twig dir)
-            (let ((t (make-object twig% 100 1 0.01)))
-                (set! twigs (cons (with-state
-                            (colour (vector 0.3 0.8 0.4))
-                            (send t build (vector 0 0 0) dir) t) twigs))))
-        
-        
-        (define/public (update)
-            
-            (when (and debounce (key-pressed " "))
-                (add-twig (vtransform-rot (vector 0 0 1) (minverse (get-camera-transform))))         
-                (set! debounce #f)
-                (set! debounce-time (+ (time) 1)))
-            
-            (when (> (time) debounce-time)
-                (set! debounce #t)) 
-            
-            (for-each 
-                (lambda (twig)
-                    (send twig update))
-                twigs))
-        
-        (super-new)))
-
-
-(clear)
-(show-axis 1)
-(clear-colour (vector 0.2 0.5 0.3))
-
-(define s (make-object seed%))
-
-(every-frame (send s update))