IA améliorée pour fantômes: chasse du personnage après cerise + difficulté progressive adaptée au niveau

game.js

@@ -130,6 +130,8 @@ let totalDots = 0;
 const TEST_MODE = true;
 let cherriesEaten = 0;
 let isChangingLevel = false;
+let cherryEatenRecently = false;
+let cherryEatenTimer = 0;
 
 class Pacman {
     constructor() {
@@ -139,7 +141,8 @@ class Pacman {
         this.nextDirection = 0;
         this.mouthAngle = 0;
         this.mouthOpen = true;
-        this.speed = 0.15;
+        this.baseSpeed = 0.15;
+        this.speed = this.baseSpeed;
         this.pixelX = this.x * CELL_SIZE + CELL_SIZE / 2;
         this.pixelY = this.y * CELL_SIZE + CELL_SIZE / 2;
         this.colorAnimation = 0;
@@ -227,6 +230,9 @@ class Pacman {
             bonuses = bonuses.filter(b => !(b.x === this.x && b.y === this.y && b.type === BONUS_CHERRY));
             cherriesEaten++;
             
+            cherryEatenRecently = true;
+            cherryEatenTimer = Math.max(150, 300 - (level - 1) * 20);
+            
             console.log('Après incrémentation, cherriesEaten:', cherriesEaten, 'TEST_MODE:', TEST_MODE, 'isChangingLevel:', isChangingLevel);
             
             if (TEST_MODE && cherriesEaten >= 2 && !isChangingLevel) {
@@ -276,18 +282,27 @@ class Ghost {
         this.pixelX = this.x * CELL_SIZE + CELL_SIZE / 2;
         this.pixelY = this.y * CELL_SIZE + CELL_SIZE / 2;
         this.moveCounter = 0;
+        this.moveInterval = 30;
     }
 
     updateSpeed() {
-        this.speed = this.baseSpeed * (1 + (level - 1) * 0.15);
+        this.speed = this.baseSpeed * (1 + (level - 1) * 0.2);
     }
 
     update() {
         if (!gameRunning) return;
 
+        if (cherryEatenTimer > 0) {
+            cherryEatenTimer--;
+        } else {
+            cherryEatenRecently = false;
+        }
+
+        this.moveInterval = Math.max(15, 30 - (level - 1) * 2);
+        
         this.moveCounter++;
         
-        if (this.moveCounter > 30 || !this.canMove(this.direction)) {
+        if (this.moveCounter > this.moveInterval || !this.canMove(this.direction)) {
             const possibleDirections = [];
             for (let i = 0; i < 4; i++) {
                 if (this.canMove(i)) {
@@ -296,8 +311,12 @@ class Ghost {
             }
             
             if (possibleDirections.length > 0) {
+                if (cherryEatenRecently) {
+                    this.direction = this.getDirectionToPacman(possibleDirections);
+                } else {
                     this.direction = possibleDirections[Math.floor(Math.random() * possibleDirections.length)];
                 }
+            }
             this.moveCounter = 0;
         }
 
@@ -317,6 +336,56 @@ class Ghost {
         this.y = Math.floor(this.pixelY / CELL_SIZE);
     }
 
+    getDirectionToPacman(possibleDirections) {
+        const dx = [0, 1, 0, -1];
+        const dy = [-1, 0, 1, 0];
+        
+        let bestDirection = possibleDirections[0];
+        let minDistance = Infinity;
+        
+        for (let dir of possibleDirections) {
+            const nextX = this.x + dx[dir];
+            const nextY = this.y + dy[dir];
+            
+            const distance = Math.sqrt(
+                Math.pow(pacman.x - nextX, 2) + 
+                Math.pow(pacman.y - nextY, 2)
+            );
+            
+            if (distance < minDistance) {
+                minDistance = distance;
+                bestDirection = dir;
+            }
+        }
+        
+        return bestDirection;
+    }
+
+    getDirectionToPacman(possibleDirections) {
+        const dx = [0, 1, 0, -1];
+        const dy = [-1, 0, 1, 0];
+        
+        let bestDirection = possibleDirections[0];
+        let minDistance = Infinity;
+        
+        for (let dir of possibleDirections) {
+            const nextX = this.x + dx[dir];
+            const nextY = this.y + dy[dir];
+            
+            const distance = Math.sqrt(
+                Math.pow(pacman.x - nextX, 2) + 
+                Math.pow(pacman.y - nextY, 2)
+            );
+            
+            if (distance < minDistance) {
+                minDistance = distance;
+                bestDirection = dir;
+            }
+        }
+        
+        return bestDirection;
+    }
+
     canMove(direction) {
         const dx = [0, 1, 0, -1];
         const dy = [-1, 0, 1, 0];
@@ -626,6 +695,7 @@ function nextLevel() {
         
                 console.log('Réinitialisation de Pacman et des fantômes');
                 pacman = new Pacman();
+                pacman.speed = pacman.baseSpeed * (1 + (level - 1) * 0.05);
                 ghosts[0] = new Ghost(14, 11, '#ff0000');
                 ghosts[1] = new Ghost(15, 11, '#ff00ff');
                 ghosts[2] = new Ghost(14, 12, '#00ffff');
@@ -866,6 +936,7 @@ function initGame() {
     restartBtn.style.display = 'none';
 
     pacman = new Pacman();
+    pacman.speed = pacman.baseSpeed * (1 + (level - 1) * 0.05);
     ghosts[0] = new Ghost(14, 11, '#ff0000');
     ghosts[1] = new Ghost(15, 11, '#ff00ff');
     ghosts[2] = new Ghost(14, 12, '#00ffff');