fix undo button

README.md

@@ -3,8 +3,9 @@
 ## TODO
 
 - [x] add gray shades
-- [ ] update icons
-- [ ] manage UI buttons
-- [ ] fix undo missing animation
-- [ ] fix undo when circle picked
+- [x] update icons
+- [x] manage UI buttons
+- [x] fix undo missing animation
+- [x] fix undo when circle picked
 - [ ] add about page
+- [ ] handle U, R and A keypresses

src/App.svelte

@@ -122,15 +122,16 @@
       const [src, dest, color] = moveStack.pop()
       circleColors[src] = color
       jumpReverse(circles, dest, src)
+      clearPick()
+      clearDests()
       victory = false
       gameover = false
-
-      setTimeout(() => (circleColors = circleColors), duration)
     }
   }
 
   const getColor = i => colors[i % colors.length]
   const getDestColor = _ => circleColors[circles.indexOf(C_PICK)]
+
   $: getCircleColor = i => {
     if (circles[i] == C_HOLE) return `bg-gray`
     if (circles[i] == C_POLE) return `bg-${circleColors[i]}`
@@ -152,6 +153,9 @@
     return common
   }
 
+  const clearPick = () =>
+    (circles = circles.map(c => (c == C_PICK ? C_POLE : c)))
+
   const clearDests = () =>
     (circles = circles.map(c => (c == C_DEST ? C_HOLE : c)))