===================================================================
--- original.js
+++ change.js
@@ -13,10 +13,18 @@
 		var dy = player.y - self.y;
 		var distance = Math.sqrt(dx * dx + dy * dy);
 		self.x += dx / distance * self.speed;
 		self.y += dy / distance * self.speed;
-		if (self.intersects(player) && self.overlapPercentage(circle) >= 20) {
+		if (self.intersects(player)) {
 			LK.showGameOver();
+		} else if (self.y > 2732 + 50 || self.y < -50 || self.x > 2048 + 50 || self.x < -50) {
+			// Destroy enemy if it goes off-screen
+			self.destroy();
+			enemiesSpawned--;
+			if (enemiesSpawned <= 0) {
+				// All enemies in the wave are destroyed, spawn the next wave
+				spawnEnemyWave();
+			}
 		}
 	};
 });
 // Create a player class
@@ -39,9 +47,9 @@
 		var dy = player.y - self.y;
 		var distance = Math.sqrt(dx * dx + dy * dy);
 		self.x += dx / distance * self.speed;
 		self.y += dy / distance * self.speed;
-		if (self.intersects(player) && self.overlapPercentage(circle) >= 20) {
+		if (self.intersects(player)) {
 			self.destroy();
 			circle.scale.x *= 1.2;
 			circle.scale.y *= 1.2;
 		}
@@ -60,23 +68,14 @@
 
 /**** 
 * Game Code
 ****/ 
-Container.prototype.overlapPercentage = function (other) {
-	var selfBounds = this.getBounds();
-	var otherBounds = other.getBounds();
-	var overlapWidth = Math.max(0, Math.min(selfBounds.right, otherBounds.right) - Math.max(selfBounds.left, otherBounds.left));
-	var overlapHeight = Math.max(0, Math.min(selfBounds.bottom, otherBounds.bottom) - Math.max(selfBounds.top, otherBounds.top));
-	var overlapArea = overlapWidth * overlapHeight;
-	var selfArea = selfBounds.width * selfBounds.height;
-	return overlapArea / selfArea * 100;
-};
 game.down = function (x, y, obj) {
 	console.log("Screen was pressed at", x, y);
 	for (var i = game.children.length - 1; i >= 0; i--) {
-		if (game.children[i] instanceof Enemy && game.children[i].intersects(circle) && game.children[i].overlapPercentage(circle) >= 20) {
+		if (game.children[i] instanceof Enemy && game.children[i].intersects(circle)) {
 			game.children[i].destroy();
-		} else if (game.children[i] instanceof PowerUp && game.children[i].intersects(circle) && game.children[i].overlapPercentage(circle) >= 20) {
+		} else if (game.children[i] instanceof PowerUp && game.children[i].intersects(circle)) {
 			game.children[i].destroy();
 		}
 	}
 	circle.scale.x *= 0.9;
@@ -131,10 +130,27 @@
 		enemy.y = Math.random() * 2732;
 	}
 	game.addChild(enemy);
 }
-// Call spawnEnemy function every second
-LK.setInterval(spawnEnemy, 1000);
+// Variables for wave-based enemy spawning
+var waveNumber = 1;
+var enemiesPerWave = 5;
+var enemiesSpawned = 0;
+var waveInterval = 5000; // 5 seconds between waves
+// Function to spawn a wave of enemies
+function spawnEnemyWave() {
+	enemiesSpawned = 0;
+	for (var i = 0; i < enemiesPerWave; i++) {
+		spawnEnemy();
+	}
+	waveNumber++;
+	enemiesPerWave += 2; // Increase the number of enemies per wave
+}
+// Function to spawn a single enemy
+// Start the first wave
+spawnEnemyWave();
+// Set interval to spawn new waves
+LK.setInterval(spawnEnemyWave, waveInterval);
 // Create a circle in the center of the screen
 var circle = game.addChild(LK.getAsset('circle', {
 	anchorX: 0.5,
 	anchorY: 0.5