/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var Fly = Container.expand(function () {
	var self = Container.call(this);
	// Randomly choose between fly1 and fly2 assets
	var flyAsset = Math.random() < 0.5 ? 'fly1' : 'fly2';
	var flyGraphics = self.attachAsset(flyAsset, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Play sound based on fly type when spawned
	if (flyAsset === 'fly1') {
		LK.getSound('buzz').play();
	} else if (flyAsset === 'fly2') {
		LK.getSound('miss').play();
	}
	self.speed = 2 + Math.random() * 3;
	self.directionX = (Math.random() - 0.5) * 2;
	self.directionY = (Math.random() - 0.5) * 2;
	self.timeAlive = 0;
	self.maxLifetime = 2000 + Math.random() * 3000; // 2-5 seconds max
	self.buzzTimer = 0;
	self.isSwatted = false;
	// Normalize direction
	var length = Math.sqrt(self.directionX * self.directionX + self.directionY * self.directionY);
	if (length > 0) {
		self.directionX /= length;
		self.directionY /= length;
	}
	self.update = function () {
		if (self.isSwatted) return;
		self.timeAlive += 16.67; // ~60fps
		// Change direction randomly - more frequent and erratic
		if (Math.random() < 0.05) {
			self.directionX += (Math.random() - 0.5) * 0.8;
			self.directionY += (Math.random() - 0.5) * 0.8;
			// Normalize direction to prevent flies from moving too fast
			var length = Math.sqrt(self.directionX * self.directionX + self.directionY * self.directionY);
			if (length > 1) {
				self.directionX /= length;
				self.directionY /= length;
			}
		}
		// Add random sudden direction changes for more realistic fly movement
		if (Math.random() < 0.01) {
			self.directionX = (Math.random() - 0.5) * 2;
			self.directionY = (Math.random() - 0.5) * 2;
		}
		// Add speed variation for more random movement
		var speedMultiplier = 0.7 + Math.random() * 0.6; // Random speed between 70% and 130%
		// Move fly with level speed multiplier
		self.x += self.directionX * self.speed * speedMultiplier * speedMultiplier;
		self.y += self.directionY * self.speed * speedMultiplier * speedMultiplier;
		// Bounce off walls
		if (self.x < 50 || self.x > 1998) {
			self.directionX *= -1;
			self.x = Math.max(50, Math.min(1998, self.x));
		}
		if (self.y < 50 || self.y > 2682) {
			self.directionY *= -1;
			self.y = Math.max(50, Math.min(2682, self.y));
		}
		// Buzzing sound effect
		self.buzzTimer += 16.67;
		if (self.buzzTimer > 1000 + Math.random() * 2000) {
			LK.getSound('buzz').play();
			self.buzzTimer = 0;
		}
		// Flies now move in straight lines without rotation
		// Check if lifetime expired
		if (self.timeAlive > self.maxLifetime) {
			self.escape();
		}
	};
	self.escape = function () {
		if (!self.isSwatted) {
			missedFlies++;
			LK.getSound('miss').play();
		}
		self.destroy();
		for (var i = flies.length - 1; i >= 0; i--) {
			if (flies[i] === self) {
				flies.splice(i, 1);
				break;
			}
		}
	};
	self.swat = function () {
		if (self.isSwatted) return;
		self.isSwatted = true;
		LK.setScore(LK.getScore() + 10);
		scoreTxt.setText(LK.getScore());
		// Show crush effect at fly position
		var crushEffect = LK.getAsset('crush', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y
		});
		game.addChild(crushEffect);
		// Remove crush effect after 0.2 seconds
		LK.setTimeout(function () {
			crushEffect.destroy();
		}, 200);
		// Visual feedback
		tween(flyGraphics, {
			scaleX: 0,
			scaleY: 0,
			alpha: 0
		}, {
			duration: 200,
			onFinish: function onFinish() {
				self.destroy();
				for (var i = flies.length - 1; i >= 0; i--) {
					if (flies[i] === self) {
						flies.splice(i, 1);
						break;
					}
				}
			}
		});
	};
	self.down = function (x, y, obj) {
		// Flies no longer handle their own swatting - this is now handled by the swatter
	};
	return self;
});
var Swatter = Container.expand(function () {
	var self = Container.call(this);
	// Create swatter using handle1 image
	var swatterGraphics = self.attachAsset('handle1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Swatting animation
	self.swat = function () {
		// Quick scale animation for swatting effect
		tween(swatterGraphics, {
			scaleX: 1.3,
			scaleY: 1.3
		}, {
			duration: 100,
			onFinish: function onFinish() {
				tween(swatterGraphics, {
					scaleX: 1,
					scaleY: 1
				}, {
					duration: 100
				});
			}
		});
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xf0f8ff
});

/**** 
* Game Code
****/ 
var flies = [];
var spawnTimer = 0;
var spawnInterval = 2000; // Start with 2 seconds between spawns
var missedFlies = 0;
var maxMissedFlies = 10;
var gameDifficulty = 1;
var currentLevel = 1;
var levelTarget = 250; // Points needed to complete level 1
var speedMultiplier = 1; // Speed multiplier for current level
// Score display
var scoreTxt = new Text2('0', {
	size: 120,
	fill: 0x333333
});
scoreTxt.setText(LK.getScore());
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Missed flies counter
var missedTxt = new Text2('Missed: 0/' + maxMissedFlies, {
	size: 80,
	fill: 0xCC0000
});
missedTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(missedTxt);
// Level display
var levelTxt = new Text2('Level: 1', {
	size: 80,
	fill: 0x333333
});
levelTxt.anchor.set(0, 0);
LK.gui.topLeft.addChild(levelTxt);
function spawnFly() {
	var fly = new Fly();
	var attempts = 0;
	var maxAttempts = 50;
	var validPosition = false;
	var newX, newY;
	while (!validPosition && attempts < maxAttempts) {
		// Generate random position within screen bounds (with margin)
		newX = 100 + Math.random() * (2048 - 200);
		newY = 100 + Math.random() * (2732 - 200);
		validPosition = true;
		attempts++;
		// Check distance from all existing flies
		for (var i = 0; i < flies.length; i++) {
			var existingFly = flies[i];
			var distance = Math.sqrt((newX - existingFly.x) * (newX - existingFly.x) + (newY - existingFly.y) * (newY - existingFly.y));
			if (distance < 350) {
				validPosition = false;
				break;
			}
		}
	}
	// If we couldn't find a valid position after max attempts, use the last generated position
	fly.x = newX;
	fly.y = newY;
	flies.push(fly);
	game.addChild(fly);
}
function increaseDifficulty() {
	gameDifficulty += 0.1;
	spawnInterval = Math.max(800, 2000 / gameDifficulty); // Minimum 0.8 seconds
	// Increase fly speed for new flies
	for (var i = 0; i < flies.length; i++) {
		flies[i].speed = Math.min(flies[i].speed * 1.05, 8);
	}
}
var levelCompleteShown = false;
var gamePaused = false;
function createConfettiEffect() {
	// Create multiple confetti particles
	for (var i = 0; i < 30; i++) {
		var confetti = LK.getAsset('crush', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 1024 + (Math.random() - 0.5) * 400,
			y: 1366 + (Math.random() - 0.5) * 200,
			scaleX: 0.5 + Math.random() * 0.5,
			scaleY: 0.5 + Math.random() * 0.5,
			rotation: Math.random() * Math.PI * 2
		});
		game.addChild(confetti);
		// Animate confetti falling and fading
		tween(confetti, {
			x: confetti.x + (Math.random() - 0.5) * 600,
			y: confetti.y + 800 + Math.random() * 400,
			rotation: confetti.rotation + Math.PI * 4,
			alpha: 0
		}, {
			duration: 2000 + Math.random() * 1000,
			onFinish: function onFinish() {
				confetti.destroy();
			}
		});
	}
}
function showLevelComplete() {
	if (levelCompleteShown) return;
	levelCompleteShown = true;
	// Pause background music and play level complete sound
	LK.stopMusic();
	LK.getSound('levelCompleteSound').play();
	// Pause the game
	gamePaused = true;
	// Hide the swatter
	swatter.visible = false;
	// Add confetti effect
	createConfettiEffect();
	// Create level complete overlay
	var overlay = new Container();
	overlay.x = 0;
	overlay.y = 0;
	game.addChild(overlay);
	// Create background using levelCompleteBg image
	var bg = LK.getAsset('levelCompleteBg', {
		anchorX: 0,
		anchorY: 0,
		x: 0,
		y: 0
	});
	overlay.addChild(bg);
	// Create next level button
	var nextLevelText = new Text2('NEXT LEVEL', {
		size: 130,
		fill: 0xFFFFFF
	});
	nextLevelText.anchor.set(0.5, 0.5);
	nextLevelText.x = 1024;
	nextLevelText.y = 2000;
	overlay.addChild(nextLevelText);
	// Handle next level button click
	overlay.down = function (x, y, obj) {
		// Check if click is on next level button area
		if (x > 824 && x < 1224 && y > 1900 && y < 2100) {
			overlay.destroy();
			levelCompleteShown = false;
			currentLevel++;
			if (currentLevel === 2) {
				levelTarget = 575; // Level 2 target is 575 points
			} else if (currentLevel === 3) {
				levelTarget = 1325; // Level 3 target is 1325 points
			}
			levelTxt.setText('Level: ' + currentLevel);
			// Resume background music and the game, show swatter again
			LK.playMusic('bgMusic');
			gamePaused = false;
			swatter.visible = true;
		}
	};
}
game.update = function () {
	// Don't update game logic when paused
	if (gamePaused) return;
	// Update missed flies display
	missedTxt.setText('Missed: ' + missedFlies + '/' + maxMissedFlies);
	// Check level progression
	if (LK.getScore() >= levelTarget && !levelCompleteShown) {
		if (currentLevel === 1) {
			// Increase speed by 1.7x when reaching 250 points
			speedMultiplier *= 1.7;
			// Show level complete for level 1
			showLevelComplete();
		} else if (currentLevel === 2) {
			// Increase speed by 1.9x when reaching 575 points
			speedMultiplier *= 1.9;
			// Show level complete for level 2
			showLevelComplete();
		} else {
			// Play win sound (keep background music playing)
			LK.getSound('winSound').play();
			// For subsequent levels, show you win
			LK.showYouWin();
		}
	}
	// Check game over condition
	if (missedFlies >= maxMissedFlies) {
		LK.showGameOver();
		return;
	}
	// Spawn new flies
	spawnTimer += 16.67;
	if (spawnTimer >= spawnInterval) {
		spawnFly();
		spawnTimer = 0;
	}
	// Increase difficulty every 10 seconds
	if (LK.ticks % 600 === 0) {
		increaseDifficulty();
	}
	// Limit number of flies on screen
	if (flies.length > 15) {
		var oldestFly = flies[0];
		oldestFly.escape();
	}
};
// Create swatter that follows mouse
var swatter = new Swatter();
game.addChild(swatter);
// Mouse move handler to move swatter
game.move = function (x, y, obj) {
	swatter.x = x;
	swatter.y = y;
};
// Mouse down handler for swatting
game.down = function (x, y, obj) {
	LK.getSound('hit1').play();
	swatter.swat();
	// Check if we hit any flies with 30% reduced hit radius from handle1 width
	var hitRadius = 150 * 0.7; // 30% reduction from handle1 width
	for (var i = flies.length - 1; i >= 0; i--) {
		var fly = flies[i];
		var distance = Math.sqrt((fly.x - x) * (fly.x - x) + (fly.y - y) * (fly.y - y));
		if (distance <= hitRadius) {
			fly.swat();
			LK.getSound('swat').play();
			break;
		}
	}
};
// Start background music
LK.playMusic('bgMusic');
// Initial fly spawn
spawnFly();

===================================================================
--- original.js
+++ change.js
@@ -375,17 +375,14 @@
 // Mouse down handler for swatting
 game.down = function (x, y, obj) {
 	LK.getSound('hit1').play();
 	swatter.swat();
-	// Check if we hit any flies (only in 10 pixel radius above center of handle1)
+	// Check if we hit any flies with 30% reduced hit radius from handle1 width
+	var hitRadius = 150 * 0.7; // 30% reduction from handle1 width
 	for (var i = flies.length - 1; i >= 0; i--) {
 		var fly = flies[i];
 		var distance = Math.sqrt((fly.x - x) * (fly.x - x) + (fly.y - y) * (fly.y - y));
-		// Only hit if fly is within 10 pixels AND 10 pixels above the center
-		var flyRelativeY = fly.y - y;
-		var isInHitArea = distance <= 10 && flyRelativeY >= -10 && flyRelativeY <= 0;
-		if (isInHitArea) {
-			// Hit radius is only 10 pixels above center of handle1
+		if (distance <= hitRadius) {
 			fly.swat();
 			LK.getSound('swat').play();
 			break;
 		}