===================================================================
--- original.js
+++ change.js
@@ -94,55 +94,21 @@
 	var baseWidth = bigHeartGraphics.width;
 	var baseHeight = bigHeartGraphics.height;
 	// Event handler called when a press happens on element. This is automatically called on press if bigHeart is attached.
 	self.down = function (x, y, obj) {
-		self.animateHeartGraphics();
+		// Log the down event
+		log("Down event triggered on BigHeart");
 		log("Current indexes:: ", self.currentGraphic.index, ',', self.nextGraphic.index); // Log the tap count
 		// Increment tap counter
 		progressManager.manualGeneration();
+		self.animateBeat();
+		self.animateFrames();
 		// Create a new heart projection using the current frame index
 		projectionsManager.popHearts(self.currentGraphic.heartType);
-		updateTapCountText(); // Update the text display
-		// Switch graphics based on tapCount
-		var frameIndex = 5 - Math.floor(tapCount / self.nbTapsPerFrame);
-		// CONTINUER ICI : EXTRACT EXPLOSION LOGIC  FOR GENERATOR TO TRIGGER EXPLOSION
-		// CONTINUER ICI : EXTRACT EXPLOSION LOGIC  FOR GENERATOR TO TRIGGER EXPLOSION
-		// CONTINUER ICI : EXTRACT EXPLOSION LOGIC  FOR GENERATOR TO TRIGGER EXPLOSION
-		// CONTINUER ICI : EXTRACT EXPLOSION LOGIC  FOR GENERATOR TO TRIGGER EXPLOSION
-		// CONTINUER ICI : EXTRACT EXPLOSION LOGIC  FOR GENERATOR TO TRIGGER EXPLOSION
-		if (!self.explosionTriggered && tapCount < self.tapLimit * (self.heartType + 1) && frameIndex > 0) {
-			self.currentGraphic = self.heartFrames[self.heartType][frameIndex];
-			self.nextGraphic = self.heartFrames[self.heartType][frameIndex - 1];
-			self.currentGraphic.visible = true;
-			self.nextGraphic.visible = true;
-			tween(self.currentGraphic, {
-				scaleX: 1.1,
-				scaleY: 1.1
-			}, {
-				duration: 300,
-				easing: tween.easeOut
-			});
-			// Make next frame bigger
-			tween(self.nextGraphic, {
-				scaleX: 1.1,
-				scaleY: 1.1
-			}, {
-				duration: 300,
-				easing: tween.easeOut
-			});
-		} else if (tapCount >= self.tapLimit * (self.heartType + 1)) {
-			log("Tap count: ", tapCount); // Log the tap count
-			// Explosion
-			self.triggerExplosion();
-		}
-		log("Tap count: ", tapCount); // Log the tap count
-		self.currentGraphic.alpha = Math.max(0, Math.min(1, 1 - ((self.heartType + 1) * self.tapLimit - tapCount) / 10));
-		// Log the down event
-		log("Down event triggered on BigHeart");
 		shakeMiddleground();
 	};
 	// Beat Animation
-	self.animateHeartGraphics = function () {
+	self.animateBeat = function () {
 		// Play beat sound
 		LK.getSound('bump').play();
 		tween(self.currentGraphic, {
 			scaleX: 1.2,
@@ -178,11 +144,46 @@
 				}
 			});
 		}
 	};
+	// Frames Animation
+	self.animateFrames = function () {
+		// Switch graphics based on tapCount
+		var frameIndex = 5 - Math.floor(tapCount / self.nbTapsPerFrame);
+		if (!self.explosionTriggered && tapCount < self.tapLimit * (self.heartType + 1) && frameIndex > 0) {
+			self.currentGraphic = self.heartFrames[self.heartType][frameIndex];
+			self.nextGraphic = self.heartFrames[self.heartType][frameIndex - 1];
+			self.currentGraphic.visible = true;
+			self.nextGraphic.visible = true;
+			tween(self.currentGraphic, {
+				scaleX: 1.1,
+				scaleY: 1.1
+			}, {
+				duration: 300,
+				easing: tween.easeOut
+			});
+			// Make next frame bigger
+			tween(self.nextGraphic, {
+				scaleX: 1.1,
+				scaleY: 1.1
+			}, {
+				duration: 300,
+				easing: tween.easeOut
+			});
+		}
+		// 10 taps | 5 frames => 10%5 
+		//self.currentGraphic.alpha = Math.max(0, Math.min(1, 1 - ((self.heartType + 1) * self.tapLimit - tapCount) / 10));
+		// Calculate alpha based on progress percentage within current heart level
+		var currentLevelTaps = (self.heartType + 1) * self.tapLimit;
+		var previousLevelTaps = self.heartType * self.tapLimit;
+		var progressInLevel = (tapCount - previousLevelTaps) / (currentLevelTaps - previousLevelTaps);
+		self.nextGraphic.alpha = 1 - Math.max(0, Math.min(1, progressInLevel));
+		log("progressInLevel:", progressInLevel, " => aplha=", self.currentGraphic.alpha);
+	};
 	// Explosion Animation
-	self.triggerExplosion = function () {
+	self.animateExplosion = function () {
 		if (!self.explosionTriggered) {
+			self.explosionTriggered = true;
 			LK.getSound('boom').play();
 			LK.setTimeout(function () {
 				LK.effects.flashScreen(0xffffff, 1000); // Flash the screen white for 500ms
 				background.changeBackground((self.heartType + 1) % 10);
@@ -232,9 +233,8 @@
 					duration: 300,
 					easing: tween.easeOut
 				});
 			}, 205);
-			self.explosionTriggered = true;
 		}
 	};
 });
 var GeneratorButton = Container.expand(function (index) {
@@ -569,8 +569,22 @@
 	self.generators = {};
 	self.generatorCounts = {}; // Add a counter for each generator
 	self.upgrades = {};
 	self.currentTime = Date.now();
+	self.currentLevel = 0;
+	//self.nextLevelLimit = 10;
+	self.tapsPerLevel = {
+		0: 10,
+		1: 100,
+		2: 1000,
+		3: 10000,
+		4: 100000,
+		5: 1000000,
+		6: 10000000,
+		7: 100000000,
+		8: 1000000000,
+		9: 10000000000
+	};
 	self.lastUpdateTime = self.currentTime;
 	self.updateGame = function () {
 		log("ProgressManager updateGame...");
 		var now = Date.now();
@@ -583,19 +597,32 @@
 			tempGenerated += Math.ceil(generated);
 		});
 		self.money += tempGenerated;
 		if (tempGenerated > 0) {
-			bigHeart.animateHeartGraphics();
+			bigHeart.animateBeat();
 		}
 		tapCount = self.money; // Update tapCount to reflect the current money
 		updateTapCountText(); // Update the text display
+		log("Tap count: ", tapCount); // Log the tap count
+		self.checkProgress(); // Check the progress
 		self.lastUpdateTime = now;
 	};
 	self.manualGeneration = function () {
 		tapCount++;
 		self.money++;
+		log("manualGeneration Tap count: ", tapCount); // Log the tap count
 		updateTapCountText(); // Update the text display
 	};
+	self.checkProgress = function () {
+		//if (tapCount >= self.nextLevelLimit * (self.currentLevel + 1)) {
+		if (tapCount >= self.tapsPerLevel[self.currentLevel]) {
+			self.currentLevel++;
+			bigHeart.heartType = self.currentLevel;
+			bigHeart.animateFrames();
+			// Explosion
+			bigHeart.animateExplosion();
+		}
+	};
 	self.buyGenerator = function (generatorId) {
 		var generatorConfig = Object.values(GENERATORS).find(function (g) {
 			return g.id === generatorId;
 		});