rover

commit 65e298c82cd8fca858dde423450d0008029bfe8b
parent 1dd77f9657ba2a2aecc7edf5c9d95c1a15e0b2e6
Author: Daniel Barlow <dan@telent.net>
Date:   Mon, 23 Jan 2023 22:39:06 +0000

extract lateral? function

Diffstat:
M
rover.fnl
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/rover.fnl b/rover.fnl
@@ -10,9 +10,12 @@
   (any obstacles
        (fn [[ox oy]] (and (= ox x) (= oy y)))))
 
+(fn lateral? [direction]
+  (. {:w true :e true} direction))
+
 (fn try-to-drive [{: x : y : direction : stopped} distance]
   (let [distance
-        (if (. {:w true :e true} direction)
+        (if (lateral? direction)
             (/  distance (math.cos (/ (* math.pi y) 180)))
             distance)]
     (match direction