===================================================================
--- original.js
+++ change.js
@@ -42,9 +42,9 @@
 	};
 });
 var Dash = Container.expand(function () {
 	var self = Container.call(this);
-	var dashGraphics = self.attachAsset('dash', {
+	dashGraphics = self.attachAsset('dash', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
 	self.speed = 5;
@@ -172,9 +172,9 @@
 			}
 		}
 		for (var i = 0; i < game.children.length; i++) {
 			if (game.children[i] instanceof Obstacle && self.intersects(game.children[i])) {
-				if (self.invincible || shieldBubble) {
+				if (self.invincible) {
 					// Destroy the obstacle and show destruction effect
 					LK.effects.flashObject(game.children[i], 0xff0000, 500); // Flash red before destroying
 					game.children[i].destroy();
 					continue; // Skip the rest of the loop for this obstacle
@@ -184,8 +184,13 @@
 					LK.getSound('ninjaGrunt').play();
 				}
 				// Reduce the lives by one
 				self.lives--;
+				// Tint dash red for 3 seconds
+				dashGraphics.tint = 0xff0000;
+				LK.setTimeout(function () {
+					dashGraphics.tint = 0xffffff; // Reset tint to normal after 3 seconds
+				}, 3000);
 				// Update the display
 				updateDisplayLives();
 				// If no lives left, game over
 				if (self.lives === 0) {
@@ -301,12 +306,8 @@
 			shieldBubble = new ShieldBubble();
 			shieldBubble.x = ninja.x;
 			shieldBubble.y = ninja.y;
 			game.addChild(shieldBubble);
-			shieldBubble = new ShieldBubble();
-			shieldBubble.x = ninja.x;
-			shieldBubble.y = ninja.y;
-			game.addChild(shieldBubble);
 			LK.getSound('shieldCollectSound').play(); // Play shield collection sound
 			ninja.shieldTimeout = LK.setTimeout(function () {
 				ninja.invincible = false;
 				game.removeChild(shieldBubble);
@@ -325,14 +326,8 @@
 	});
 	self.update = function () {
 		self.x = ninja.x;
 		self.y = ninja.y;
-		// Check for intersection with obstacles
-		for (var i = 0; i < game.children.length; i++) {
-			if (game.children[i] instanceof Obstacle && self.intersects(game.children[i])) {
-				game.children[i].destroy(); // Destroy the obstacle
-			}
-		}
 	};
 });
 
 /**** 
@@ -347,8 +342,9 @@
 ****/ 
 var shieldIcon = null;
 var shieldBubble = null;
 var shieldBubble = null;
+var dashGraphics = null;
 var shieldInterval = null;
 var shieldTimeout = null;
 var coinCounter = 0; // Initialize coin counter
 var backgroundMusic = LK.getSound('backgroundMusic');