Fixed multiplayer movement + Added banana collision

src/game/game.js

@@ -3,6 +3,7 @@ const cellTypes = {
   PLAYERHEAD: 1,
   PLAYERBODY: 2,
   FOOD: 3,
+  BANANA: 4
 };
 
 function createCell(x, y, type) {
@@ -31,12 +32,19 @@ function addFood(gameBoard) {
     }
   }
 
+  let bananaExists = gameBoard.some(row => row.some(cell => cell.type === cellTypes.BANANA)); 
+
   //Create food cells randomly
   if (emptySpaces.length > 0) {
     let randomCell = emptySpaces[getRandomInt(emptySpaces.length)];
     randomCell.type = cellTypes.FOOD;
   }
 
+  if (!bananaExists && emptySpaces.length > 0) {
+    let randomCell = emptySpaces[getRandomInt(emptySpaces.length)];
+    randomCell.type = cellTypes.BANANA;
+  }
+
   return gameBoard;
 }
 
@@ -90,6 +98,9 @@ module.exports = {
   },
 
   moveOneStep: (gameBoard) => {
+    // Save board state to allow multiple snake movements
+    let updatedBoard = gameBoard.map(row => row.map(cell => ({ ...cell })));
+
     // Loop through board until we find a PLAYERHEAD
     for (var i = 0; i < gameBoard.length; i++) {
       for (var j = 0; j < gameBoard[i].length; j++) {
@@ -126,9 +137,10 @@ module.exports = {
           ) {
             console.log(`Player ${cell.pid} has collided with the wall!`);
             // Remove the player from the game (indicating death)
-            return gameBoard.map(row =>
+            updatedBoard = updatedBoard.map(row =>
               row.map(c => (c.pid === cell.pid ? createCell(c.x, c.y, cellTypes.EMPTY) : c))
             );
+            continue;
           }
 
           // Handle collision with food
@@ -140,7 +152,18 @@ module.exports = {
             newBodySegment.next = cell.next;
             cell.next = newBodySegment;
             // Place new food somewhere else
-            gameBoard = addFood(gameBoard);
+            updatedBoard = addFood(updatedBoard);
+          }
+
+          // Handle collision with banana
+          if (gameBoard[newY][newX].type == cellTypes.BANANA) {
+			      console.log('Slip');
+			      updatedBoard[newY][newX] = createCell(newX, newY, cellTypes.EMPTY);
+			      updatedBoard = updatedBoard.map(row =>
+			        row.map(c => (c.pid === cell.pid ? createCell(c.x, c.y, cellTypes.EMPTY) : c))
+            );
+		        updatedBoard = addFood(updatedBoard);
+		        continue;
 	      	}
 
           // Snake head to new position by updating cell object
@@ -148,10 +171,10 @@ module.exports = {
           newHeadCell.pid = cell.pid;
           newHeadCell.direction = tempVar;
           newHeadCell.next = cell.next;
-          gameBoard[newY][newX] = newHeadCell;
+          updatedBoard[newY][newX] = newHeadCell;
 
           // Remove previous head position
-          gameBoard[oldY][oldX] = createCell(oldX, oldY, cellTypes.EMPTY);
+          updatedBoard[oldY][oldX] = createCell(oldX, oldY, cellTypes.EMPTY);
 
           // Move the body segments
           let currentBody = newHeadCell.next;
@@ -162,7 +185,7 @@ module.exports = {
             currentBody.y = oldY;
 
             // Update cell body position
-            gameBoard[oldY][oldX] = {
+            updatedBoard[oldY][oldX] = {
               ...currentBody,
               type: cellTypes.PLAYERBODY,
             };
@@ -173,15 +196,12 @@ module.exports = {
 
           // Remove previous body position if it's no longer part of the snake
           if (oldX !== newHeadCell.x || oldY !== newHeadCell.y) {
-            gameBoard[oldY][oldX] = createCell(oldX, oldY, cellTypes.EMPTY);
+            updatedBoard[oldY][oldX] = createCell(oldX, oldY, cellTypes.EMPTY);
           }
-
-          console.log(gameBoard);
-          return gameBoard;
         }
       }
     }
-    return gameBoard;
+    return updatedBoard;
   },
 
   checkCollisions: (gameBoard) => {