From c61a59a4dd4a846499e6faf50ecdd87786f5c2df Mon Sep 17 00:00:00 2001
From: Aargh Rai <aargh.rai+git@gmail.com>
Date: Wed, 25 Feb 2026 20:41:16 +0530
Subject: GOOGLE EN PASSANT

---
 assets/board.js | 45 +++++++++++++++++++++++----------------------
 1 file changed, 23 insertions(+), 22 deletions(-)

(limited to 'assets/board.js')

diff --git a/assets/board.js b/assets/board.js
index 6b8486a..e5a9a2d 100644
--- a/assets/board.js
+++ b/assets/board.js
@@ -41,14 +41,15 @@ const BLACK_BISHOP = 10;
 const BLACK_KNIGHT = 11;
 const BLACK_PAWN   = 12;
 
-function trackBitboard(j, i, selected, output) {
+let counting_bitboard = 0n;
+function trackBitboard(i, selected, output) {
   const mask = 1n << BigInt(i);
   if (selected) {
-    bitboards[j] |= mask;
+    counting_bitboard |= mask;
   } else {
-    bitboards[j] &= ~mask;
+    counting_bitboard &= ~mask;
   }
-  output.textContent = bitboards[j].toString();
+  output.textContent = counting_bitboard.toString();
 }
 
 function checkForPiece(square, bitIndex, set = true) {
@@ -101,29 +102,29 @@ window.onload = () => {
     square.id = 'square-' + bitIndex.toString();
     checkForPiece(square, bitIndex);
     square.onclick = (e) => {
-      if (!e.ctrlKey) {
-        const piece = checkForPiece(square, bitIndex, false);
-        if (
-          (hoveringPiece < 0 && piece == null) ||
-          (hoveringPiece >= 0 && piece != null)
-        ) return;
-        if (hoveringPiece < 0) {
-          setHoverpiece(piece);
-          square.style.backgroundImage = `none`;
-          bitboards[piece] &= ~(1n << BigInt(bitIndex));
+      if (e.ctrlKey) {
+        const selected = square.classList.contains("selected");
+        selectedAction(bitIndex, !selected, output);
+        if (selected) {
+          square.classList.remove("selected");
         } else {
-          square.style.backgroundImage = `url(${assets[hoveringPiece]})`;
-          bitboards[hoveringPiece] |= (1n << BigInt(bitIndex));
-          setHoverpiece(-1);
+          square.classList.add("selected");
         }
         return;
       }
-      const selected = square.classList.contains("selected");
-      selectedAction(0, bitIndex, !selected, output);
-      if (selected) {
-        square.classList.remove("selected");
+      const piece = checkForPiece(square, bitIndex, false);
+      if (
+        (hoveringPiece < 0 && piece == null) ||
+        (hoveringPiece >= 0 && piece != null)
+      ) return;
+      if (hoveringPiece < 0) {
+        setHoverpiece(piece);
+        square.style.backgroundImage = `none`;
+        bitboards[piece] &= ~(1n << BigInt(bitIndex));
       } else {
-        square.classList.add("selected");
+        square.style.backgroundImage = `url(${assets[hoveringPiece]})`;
+        bitboards[hoveringPiece] |= (1n << BigInt(bitIndex));
+        setHoverpiece(-1);
       }
     };
     board.appendChild(square);
-- 
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