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

/**** 
* Classes
****/ 
var Bomb = Container.expand(function () {
	var self = Container.call(this);
	var bombGraphics = self.attachAsset('bomb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 8;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -12;
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lifespan = 30;
	self.update = function () {
		self.lifespan--;
		self.alpha = self.lifespan / 30;
		if (self.lifespan <= 0) {
			self.destroy();
		}
	};
	return self;
});
var FighterJet = Container.expand(function () {
	var self = Container.call(this);
	var jetGraphics = self.attachAsset('fighterJet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lives = 3;
	self.flareCount = 3;
	self.maxFlares = 3;
	self.flareRechargeTimer = 0;
	self.aaSystemsDestroyed = 0;
	self.update = function () {
		// Recharge flares over time
		if (self.flareCount < self.maxFlares) {
			self.flareRechargeTimer++;
			if (self.flareRechargeTimer >= 300) {
				// 5 seconds at 60fps
				self.flareCount++;
				self.flareRechargeTimer = 0;
				updateFlareDisplay();
			}
		}
	};
	return self;
});
var Flare = Container.expand(function () {
	var self = Container.call(this);
	var flareGraphics = self.attachAsset('flare', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lifespan = 180; // 3 seconds
	self.update = function () {
		self.lifespan--;
		if (self.lifespan <= 0) {
			self.destroy();
		}
	};
	return self;
});
var GroundTarget = Container.expand(function (targetType) {
	var self = Container.call(this);
	var targetGraphics = self.attachAsset(targetType, {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.targetType = targetType;
	self.points = getPointsForTarget(targetType);
	self.canShootMissiles = targetType === 's300System';
	self.missileTimer = 0;
	self.update = function () {
		self.y += scrollSpeed;
		// S-300 systems shoot missiles at the player
		if (self.canShootMissiles && self.y > 200 && self.y < 2000) {
			self.missileTimer++;
			if (self.missileTimer >= 180) {
				// Every 3 seconds
				self.fireMissile();
				self.missileTimer = 0;
			}
		}
	};
	self.fireMissile = function () {
		var missile = new Missile();
		missile.x = self.x;
		missile.y = self.y;
		missile.targetX = fighterJet.x;
		missile.targetY = fighterJet.y;
		missiles.push(missile);
		game.addChild(missile);
		LK.getSound('missile').play();
	};
	return self;
});
var Missile = Container.expand(function () {
	var self = Container.call(this);
	var missileGraphics = self.attachAsset('missile', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 6;
	self.targetX = 0;
	self.targetY = 0;
	self.update = function () {
		// Move towards target (fighter jet)
		var dx = self.targetX - self.x;
		var dy = self.targetY - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		if (distance > 0) {
			self.x += dx / distance * self.speed;
			self.y += dy / distance * self.speed;
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0xd2b48c
});

/**** 
* Game Code
****/ 
var fighterJet = game.addChild(new FighterJet());
fighterJet.x = 1024;
fighterJet.y = 2200;
var bullets = [];
var bombs = [];
var flares = [];
var missiles = [];
var groundTargets = [];
var explosions = [];
var scrollSpeed = 3;
var spawnTimer = 0;
var gameSpeed = 1;
// UI Elements
var scoreText = new Text2('Score: 0', {
	size: 60,
	fill: '#ffffff'
});
scoreText.anchor.set(0, 0);
scoreText.x = 150;
scoreText.y = 50;
LK.gui.topLeft.addChild(scoreText);
var livesText = new Text2('Lives: 3', {
	size: 60,
	fill: '#ffffff'
});
livesText.anchor.set(1, 0);
LK.gui.topRight.addChild(livesText);
var flareText = new Text2('Flares: 3', {
	size: 60,
	fill: '#ffffff'
});
flareText.anchor.set(0.5, 0);
LK.gui.top.addChild(flareText);
var weaponText = new Text2('Weapon: Cannon (1/2)', {
	size: 50,
	fill: '#ffffff'
});
weaponText.anchor.set(0.5, 0);
weaponText.y = 80;
LK.gui.top.addChild(weaponText);
function updateWeaponDisplay() {
	var cooldownText = '';
	if (weaponMode === 'bombing' && bombCooldownTimer > 0) {
		cooldownText = ' (Cooldown: ' + Math.ceil(bombCooldownTimer / 60) + 's)';
	}
	weaponText.setText('Weapon: ' + (weaponMode === 'cannon' ? 'Cannon' : 'Bombing') + ' (1/2)' + cooldownText);
}
function updateScore() {
	scoreText.setText('Score: ' + LK.getScore());
}
function updateLivesDisplay() {
	livesText.setText('Lives: ' + fighterJet.lives);
}
function updateFlareDisplay() {
	flareText.setText('Flares: ' + fighterJet.flareCount);
}
function getPointsForTarget(targetType) {
	switch (targetType) {
		case 'building':
			return 2;
		case 'targetBuilding':
			return 3;
		case 'car':
			return 2;
		case 'armyVan':
			return 3;
		case 's300System':
			return 5;
		default:
			return 2;
	}
}
function spawnGroundTarget() {
	var rand = Math.random();
	var randomType;
	if (rand < 0.4) {
		randomType = 'car';
	} else if (rand < 0.7) {
		randomType = 'armyVan';
	} else if (rand < 0.85) {
		randomType = 's300System';
	} else if (rand < 0.95) {
		randomType = 'building';
	} else {
		randomType = 'targetBuilding';
	}
	var target = new GroundTarget(randomType);
	target.x = Math.random() * 1800 + 124;
	target.y = -100;
	groundTargets.push(target);
	game.addChild(target);
}
function createExplosion(x, y) {
	var explosion = new Explosion();
	explosion.x = x;
	explosion.y = y;
	explosions.push(explosion);
	game.addChild(explosion);
	LK.getSound('explosion').play();
}
function checkMissileFlareCollision(missile) {
	for (var f = flares.length - 1; f >= 0; f--) {
		var flare = flares[f];
		if (missile.intersects(flare)) {
			createExplosion(missile.x, missile.y);
			missile.destroy();
			flare.destroy();
			flares.splice(f, 1);
			return true;
		}
	}
	return false;
}
// Fighter jet movement speed
var jetSpeed = 8;
// Weapon system variables
var weaponMode = 'cannon';
var bombCooldownTimer = 0;
var bombCooldownTime = 300;
// Initialize bomb target circle
var bombTargetCircle = LK.getAsset('explosion', {
	anchorX: 0.5,
	anchorY: 0.5,
	alpha: 0.3
});
bombTargetCircle.visible = false;
game.addChild(bombTargetCircle);
// Keyboard state tracking
var keyPressed = {};
var keyJustPressed = {};
LK.on('tick', function () {
	// Store previous key states
	var previousKeys = {};
	for (var key in keyPressed) {
		previousKeys[key] = keyPressed[key];
	}
	// Update current key states
	keyPressed.left = LK.keys && LK.keys[37];
	keyPressed.right = LK.keys && LK.keys[39];
	keyPressed.up = LK.keys && LK.keys[38];
	keyPressed.down = LK.keys && LK.keys[40];
	keyPressed.space = LK.keys && LK.keys[32];
	keyPressed.key1 = LK.keys && LK.keys[49];
	keyPressed.key2 = LK.keys && LK.keys[50];
	// Calculate just pressed states
	for (var key in keyPressed) {
		keyJustPressed[key] = keyPressed[key] && !previousKeys[key];
	}
});
game.update = function () {
	// Handle weapon switching
	if (keyJustPressed.key1) {
		weaponMode = 'cannon';
		bombTargetCircle.visible = false;
		updateWeaponDisplay();
	}
	if (keyJustPressed.key2) {
		weaponMode = 'bombing';
		bombTargetCircle.visible = true;
		updateWeaponDisplay();
	}
	// Arrow key movement
	if (keyPressed.left) {
		fighterJet.x -= jetSpeed;
		if (fighterJet.x < 60) fighterJet.x = 60;
	}
	if (keyPressed.right) {
		fighterJet.x += jetSpeed;
		if (fighterJet.x > 1988) fighterJet.x = 1988;
	}
	if (keyPressed.up) {
		fighterJet.y -= jetSpeed;
		if (fighterJet.y < 100) fighterJet.y = 100;
	}
	if (keyPressed.down) {
		fighterJet.y += jetSpeed;
		if (fighterJet.y > 2632) fighterJet.y = 2632;
	}
	// Update bomb target circle position
	if (bombTargetCircle) {
		bombTargetCircle.x = fighterJet.x;
		bombTargetCircle.y = fighterJet.y + 100;
	}
	// Space for shooting and flares
	if (keyJustPressed.space) {
		if (weaponMode === 'cannon') {
			// Fire bullet
			var bullet = new Bullet();
			bullet.x = fighterJet.x;
			bullet.y = fighterJet.y - 50;
			bullets.push(bullet);
			game.addChild(bullet);
			LK.getSound('shoot').play();
		} else if (weaponMode === 'bombing' && bombCooldownTimer <= 0) {
			// Drop bomb
			var bomb = new Bomb();
			bomb.x = fighterJet.x;
			bomb.y = fighterJet.y + 50;
			bombs.push(bomb);
			game.addChild(bomb);
			LK.getSound('bomb').play();
			bombCooldownTimer = bombCooldownTime;
		} else if (fighterJet.flareCount > 0) {
			// Deploy flare
			var flare = new Flare();
			flare.x = fighterJet.x;
			flare.y = fighterJet.y + 50;
			flares.push(flare);
			game.addChild(flare);
			fighterJet.flareCount--;
			updateFlareDisplay();
		}
	}
	spawnTimer++;
	// Handle bomb cooldown
	if (bombCooldownTimer > 0) {
		bombCooldownTimer--;
	}
	// Update bomb target circle visibility
	if (bombTargetCircle) {
		bombTargetCircle.visible = weaponMode === 'bombing';
		if (weaponMode === 'bombing' && bombCooldownTimer > 0) {
			bombTargetCircle.alpha = 0.1;
		} else if (weaponMode === 'bombing') {
			bombTargetCircle.alpha = 0.3;
		}
	}
	// Spawn new ground targets
	if (spawnTimer >= 60) {
		spawnGroundTarget();
		spawnTimer = 0;
	}
	// Update bullets
	for (var b = bullets.length - 1; b >= 0; b--) {
		var bullet = bullets[b];
		if (bullet.y < -50) {
			bullet.destroy();
			bullets.splice(b, 1);
			continue;
		}
		for (var gt = groundTargets.length - 1; gt >= 0; gt--) {
			var target = groundTargets[gt];
			if (bullet.intersects(target) && (target.targetType === 'car' || target.targetType === 'armyVan')) {
				createExplosion(target.x, target.y);
				LK.setScore(LK.getScore() + target.points);
				updateScore();
				bullet.destroy();
				bullets.splice(b, 1);
				target.destroy();
				groundTargets.splice(gt, 1);
				break;
			}
		}
	}
	// Update bombs
	for (var bo = bombs.length - 1; bo >= 0; bo--) {
		var bomb = bombs[bo];
		if (bomb.y > 2800) {
			bomb.destroy();
			bombs.splice(bo, 1);
			continue;
		}
		for (var gt = groundTargets.length - 1; gt >= 0; gt--) {
			var target = groundTargets[gt];
			if (bomb.intersects(target) && (target.targetType === 'building' || target.targetType === 'targetBuilding' || target.targetType === 's300System')) {
				createExplosion(target.x, target.y);
				LK.setScore(LK.getScore() + target.points);
				updateScore();
				if (target.targetType === 's300System') {
					fighterJet.aaSystemsDestroyed++;
					if (fighterJet.aaSystemsDestroyed >= 5 && fighterJet.lives < 3) {
						fighterJet.lives++;
						fighterJet.aaSystemsDestroyed = 0;
						updateLivesDisplay();
					}
				}
				bomb.destroy();
				bombs.splice(bo, 1);
				target.destroy();
				groundTargets.splice(gt, 1);
				break;
			}
		}
	}
	// Update missiles
	for (var m = missiles.length - 1; m >= 0; m--) {
		var missile = missiles[m];
		missile.targetX = fighterJet.x;
		missile.targetY = fighterJet.y;
		if (checkMissileFlareCollision(missile)) {
			missiles.splice(m, 1);
			continue;
		}
		if (missile.intersects(fighterJet)) {
			createExplosion(fighterJet.x, fighterJet.y);
			fighterJet.lives--;
			updateLivesDisplay();
			if (fighterJet.lives <= 0) {
				LK.showGameOver();
				return;
			}
			missile.destroy();
			missiles.splice(m, 1);
			continue;
		}
		if (missile.y > 2800 || missile.y < -50 || missile.x < -50 || missile.x > 2100) {
			missile.destroy();
			missiles.splice(m, 1);
		}
	}
	// Update ground targets
	for (var gt = groundTargets.length - 1; gt >= 0; gt--) {
		var target = groundTargets[gt];
		if (target.y > 2800) {
			target.destroy();
			groundTargets.splice(gt, 1);
		}
	}
	// Update flares
	for (var f = flares.length - 1; f >= 0; f--) {
		var flare = flares[f];
		if (flare.destroyed) {
			flares.splice(f, 1);
		}
	}
	// Update explosions
	for (var e = explosions.length - 1; e >= 0; e--) {
		var explosion = explosions[e];
		if (explosion.destroyed) {
			explosions.splice(e, 1);
		}
	}
	updateWeaponDisplay();
};

===================================================================
--- original.js
+++ change.js
@@ -210,25 +210,24 @@
 }
 function getPointsForTarget(targetType) {
 	switch (targetType) {
 		case 'building':
-			return 5;
+			return 2;
 		case 'targetBuilding':
-			return 10;
+			return 3;
 		case 'car':
-			return 5;
+			return 2;
 		case 'armyVan':
-			return 8;
+			return 3;
 		case 's300System':
-			return 20;
-		default:
 			return 5;
+		default:
+			return 2;
 	}
 }
 function spawnGroundTarget() {
 	var rand = Math.random();
 	var randomType;
-	// Weighted spawn system - much more rare buildings and target buildings
 	if (rand < 0.4) {
 		randomType = 'car';
 	} else if (rand < 0.7) {
 		randomType = 'armyVan';
@@ -239,9 +238,9 @@
 	} else {
 		randomType = 'targetBuilding';
 	}
 	var target = new GroundTarget(randomType);
-	target.x = Math.random() * 1800 + 124; // Keep within screen bounds
+	target.x = Math.random() * 1800 + 124;
 	target.y = -100;
 	groundTargets.push(target);
 	game.addChild(target);
 }
@@ -256,9 +255,8 @@
 function checkMissileFlareCollision(missile) {
 	for (var f = flares.length - 1; f >= 0; f--) {
 		var flare = flares[f];
 		if (missile.intersects(flare)) {
-			// Missile destroyed by flare
 			createExplosion(missile.x, missile.y);
 			missile.destroy();
 			flare.destroy();
 			flares.splice(f, 1);
@@ -269,75 +267,77 @@
 }
 // Fighter jet movement speed
 var jetSpeed = 8;
 // Weapon system variables
-var weaponMode = 'cannon'; // 'cannon' or 'bombing'
+var weaponMode = 'cannon';
 var bombCooldownTimer = 0;
-var bombCooldownTime = 300; // 5 seconds at 60fps
-var bombTargetCircle = null;
+var bombCooldownTime = 300;
 // Initialize bomb target circle
-bombTargetCircle = LK.getAsset('explosion', {
+var bombTargetCircle = LK.getAsset('explosion', {
 	anchorX: 0.5,
 	anchorY: 0.5,
 	alpha: 0.3
 });
 bombTargetCircle.visible = false;
 game.addChild(bombTargetCircle);
 // Keyboard state tracking
-var keys = {};
-var lastKeys = {};
-// Key detection function
-function isKeyPressed(keyCode) {
-	return LK.keys && LK.keys[keyCode];
-}
-game.update = function () {
+var keyPressed = {};
+var keyJustPressed = {};
+LK.on('tick', function () {
+	// Store previous key states
+	var previousKeys = {};
+	for (var key in keyPressed) {
+		previousKeys[key] = keyPressed[key];
+	}
 	// Update current key states
-	keys['Digit1'] = isKeyPressed(49); // Key code for '1'
-	keys['Digit2'] = isKeyPressed(50); // Key code for '2'
-	keys['ArrowLeft'] = isKeyPressed(37);
-	keys['ArrowRight'] = isKeyPressed(39);
-	keys['ArrowUp'] = isKeyPressed(38);
-	keys['ArrowDown'] = isKeyPressed(40);
-	keys['Space'] = isKeyPressed(32);
-	// Copy current keys to lastKeys for next frame - moved to beginning
-	for (var key in keys) {
-		lastKeys[key] = keys[key];
+	keyPressed.left = LK.keys && LK.keys[37];
+	keyPressed.right = LK.keys && LK.keys[39];
+	keyPressed.up = LK.keys && LK.keys[38];
+	keyPressed.down = LK.keys && LK.keys[40];
+	keyPressed.space = LK.keys && LK.keys[32];
+	keyPressed.key1 = LK.keys && LK.keys[49];
+	keyPressed.key2 = LK.keys && LK.keys[50];
+	// Calculate just pressed states
+	for (var key in keyPressed) {
+		keyJustPressed[key] = keyPressed[key] && !previousKeys[key];
 	}
-	// Handle keyboard input
-	if (keys['Digit1'] && !lastKeys['Digit1']) {
+});
+game.update = function () {
+	// Handle weapon switching
+	if (keyJustPressed.key1) {
 		weaponMode = 'cannon';
 		bombTargetCircle.visible = false;
 		updateWeaponDisplay();
 	}
-	if (keys['Digit2'] && !lastKeys['Digit2']) {
+	if (keyJustPressed.key2) {
 		weaponMode = 'bombing';
 		bombTargetCircle.visible = true;
 		updateWeaponDisplay();
 	}
 	// Arrow key movement
-	if (keys['ArrowLeft']) {
+	if (keyPressed.left) {
 		fighterJet.x -= jetSpeed;
 		if (fighterJet.x < 60) fighterJet.x = 60;
 	}
-	if (keys['ArrowRight']) {
+	if (keyPressed.right) {
 		fighterJet.x += jetSpeed;
 		if (fighterJet.x > 1988) fighterJet.x = 1988;
 	}
-	if (keys['ArrowUp']) {
+	if (keyPressed.up) {
 		fighterJet.y -= jetSpeed;
 		if (fighterJet.y < 100) fighterJet.y = 100;
 	}
-	if (keys['ArrowDown']) {
+	if (keyPressed.down) {
 		fighterJet.y += jetSpeed;
 		if (fighterJet.y > 2632) fighterJet.y = 2632;
 	}
 	// Update bomb target circle position
 	if (bombTargetCircle) {
 		bombTargetCircle.x = fighterJet.x;
-		bombTargetCircle.y = fighterJet.y + 100; // Position circle below jet
+		bombTargetCircle.y = fighterJet.y + 100;
 	}
-	// Space for shooting
-	if (keys['Space'] && !lastKeys['Space']) {
+	// Space for shooting and flares
+	if (keyJustPressed.space) {
 		if (weaponMode === 'cannon') {
 			// Fire bullet
 			var bullet = new Bullet();
 			bullet.x = fighterJet.x;
@@ -352,44 +352,36 @@
 			bomb.y = fighterJet.y + 50;
 			bombs.push(bomb);
 			game.addChild(bomb);
 			LK.getSound('bomb').play();
-			bombCooldownTimer = bombCooldownTime; // Start cooldown
-		}
-	}
-	// Flare deployment - missing functionality
-	if (isKeyPressed(32) && fighterJet.flareCount > 0) {
-		// Spacebar for flares
-		if (!keys['flareDeployed']) {
+			bombCooldownTimer = bombCooldownTime;
+		} else if (fighterJet.flareCount > 0) {
+			// Deploy flare
 			var flare = new Flare();
 			flare.x = fighterJet.x;
 			flare.y = fighterJet.y + 50;
 			flares.push(flare);
 			game.addChild(flare);
 			fighterJet.flareCount--;
 			updateFlareDisplay();
-			keys['flareDeployed'] = true;
 		}
-	} else {
-		keys['flareDeployed'] = false;
 	}
 	spawnTimer++;
 	// Handle bomb cooldown
 	if (bombCooldownTimer > 0) {
 		bombCooldownTimer--;
 	}
-	// Update bomb target circle visibility based on weapon mode and cooldown
+	// Update bomb target circle visibility
 	if (bombTargetCircle) {
 		bombTargetCircle.visible = weaponMode === 'bombing';
 		if (weaponMode === 'bombing' && bombCooldownTimer > 0) {
-			bombTargetCircle.alpha = 0.1; // Dim during cooldown
+			bombTargetCircle.alpha = 0.1;
 		} else if (weaponMode === 'bombing') {
-			bombTargetCircle.alpha = 0.3; // Normal visibility when ready
+			bombTargetCircle.alpha = 0.3;
 		}
 	}
 	// Spawn new ground targets
 	if (spawnTimer >= 60) {
-		// Every second
 		spawnGroundTarget();
 		spawnTimer = 0;
 	}
 	// Update bullets
@@ -399,9 +391,8 @@
 			bullet.destroy();
 			bullets.splice(b, 1);
 			continue;
 		}
-		// Check bullet vs ground targets (only cars and army vans)
 		for (var gt = groundTargets.length - 1; gt >= 0; gt--) {
 			var target = groundTargets[gt];
 			if (bullet.intersects(target) && (target.targetType === 'car' || target.targetType === 'armyVan')) {
 				createExplosion(target.x, target.y);
@@ -422,9 +413,8 @@
 			bomb.destroy();
 			bombs.splice(bo, 1);
 			continue;
 		}
-		// Check bomb vs ground targets (buildings and S-300 systems)
 		for (var gt = groundTargets.length - 1; gt >= 0; gt--) {
 			var target = groundTargets[gt];
 			if (bomb.intersects(target) && (target.targetType === 'building' || target.targetType === 'targetBuilding' || target.targetType === 's300System')) {
 				createExplosion(target.x, target.y);
@@ -448,17 +438,14 @@
 	}
 	// Update missiles
 	for (var m = missiles.length - 1; m >= 0; m--) {
 		var missile = missiles[m];
-		// Update missile target to current fighter jet position
 		missile.targetX = fighterJet.x;
 		missile.targetY = fighterJet.y;
-		// Check if missile was intercepted by flare
 		if (checkMissileFlareCollision(missile)) {
 			missiles.splice(m, 1);
 			continue;
 		}
-		// Check missile vs fighter jet
 		if (missile.intersects(fighterJet)) {
 			createExplosion(fighterJet.x, fighterJet.y);
 			fighterJet.lives--;
 			updateLivesDisplay();
@@ -469,9 +456,8 @@
 			missile.destroy();
 			missiles.splice(m, 1);
 			continue;
 		}
-		// Remove missiles that go off screen
 		if (missile.y > 2800 || missile.y < -50 || missile.x < -50 || missile.x > 2100) {
 			missile.destroy();
 			missiles.splice(m, 1);
 		}
@@ -497,11 +483,6 @@
 		if (explosion.destroyed) {
 			explosions.splice(e, 1);
 		}
 	}
-	// Update weapon display
 	updateWeaponDisplay();
-	// Update lastKeys at the end for next frame
-	for (var key in keys) {
-		lastKeys[key] = keys[key];
-	}
 };
\ No newline at end of file