1 files changed, 14 insertions, 0 deletions
diff --git a/src/macroknight/utils.hy b/src/macroknight/utils.hy
new file mode 100644
index 0000000..a857d02
--- /dev/null
+++ b/src/macroknight/utils.hy
@@ -0,0 +1,14 @@
+(defn neg [value]
+  (* -1 value))
+
+(defn invert [move]
+  #((neg (get move 0))
+     (neg (get move 1))))
+
+(defn merge-moves [moves]
+  (let [end-move #(0 0)]
+    (for [move moves]
+      (setv end-move
+            #((+ (get end-move 0) (get move 0))
+               (+ (get end-move 1) (get move 1)))))
+    end-move))