Shift click can now remove units from selection; closes #13

bananu7 · Oct 8, 2022 · 4c1ee40 · 4c1ee40
1 parent 4a7e2ee
commit 4c1ee40
Showing 1 changed file with 11 additions and 3 deletions.
diff --git a/packages/client/src/App.tsx b/packages/client/src/App.tsx
@@ -113,10 +113,18 @@ function App() {
     case 0:
       if (!selectedAction) {
         if (shift) {
-          console.log("shift")
-          setSelectedUnits(units => units.add(targetId));
+          // shift-click means add if not there, but remove if there
+          setSelectedUnits(prev => {
+            const units = new Set(prev);
+            if (units.has(targetId)) {
+              units.delete(targetId);
+            }
+            else {
+              units.add(targetId);
+            } 
+            return units;
+          });
         } else {
-          console.log("no shift")
           setSelectedUnits(new Set([targetId]));
         }
         break;