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

/**** 
* Classes
****/ 
// Boss enemy class
var Boss = Container.expand(function () {
	var self = Container.call(this);
	self.isBoss = true;
	self.state = 0; // 0: alive, 1: fading
	self.bossAsset = self.attachAsset('enemy_shielded', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = CENTER_X;
	self.y = CENTER_Y - 700;
	self.speed = 12;
	self.targetAngle = 0;
	self.moveTimer = 0;
	self.fadeTimer = 0;
	self.lastLaserHit = false;
	self.escapeDir = 1; // 1: right, -1: left
	// Set boss to a new random direction (left or right of laser)
	self.setNewDirection = function () {
		// Pick a side to escape: left or right of laser
		self.escapeDir = Math.random() < 0.5 ? 1 : -1;
		// Offset angle from laser
		self.targetAngle = laserAngle + Math.PI / 2 * self.escapeDir;
		// Clamp to [-PI, PI]
		if (self.targetAngle > Math.PI) self.targetAngle -= 2 * Math.PI;
		if (self.targetAngle < -Math.PI) self.targetAngle += 2 * Math.PI;
		// Set moveTimer for how long to move in this direction
		self.moveTimer = 30 + Math.floor(Math.random() * 30);
	};
	self.setNewDirection();
	self.update = function () {
		if (self.state === 1) {
			self.fadeTimer += 1;
			self.alpha = 1 - self.fadeTimer / 60;
			if (self.fadeTimer > 60) {
				self.destroy();
			}
			return;
		}
		// Move away from laser direction
		var moveAngle = self.targetAngle;
		var moveDist = self.speed;
		self.x += Math.cos(moveAngle) * moveDist;
		self.y += Math.sin(moveAngle) * moveDist;
		// Clamp boss inside game area
		if (self.x < 200) self.x = 200;
		if (self.x > 1848) self.x = 1848;
		if (self.y < 200) self.y = 200;
		if (self.y > 2532) self.y = 2532;
		self.moveTimer -= 1;
		if (self.moveTimer <= 0) {
			self.setNewDirection();
		}
	};
	// Boss takes hit
	self.hitByLaser = function () {
		if (self.state === 0) {
			self.state = 1;
			self.fadeTimer = 0;
			LK.getSound('enemy_down').play();
		}
	};
	return self;
});
// ENEMY STATES
// 0: normal
// 1: shielded (red)
// 2: fading (about to die)
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	// Default: normal enemy
	self.state = 0; // 0: normal, 1: shielded, 2: fading
	self.isWizard = false;
	self.isProtected = false; // If protected by wizard
	self.protector = null; // Wizard protecting this enemy
	// Asset
	self.enemyAsset = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.shieldAsset = null; // For shield effect
	// For movement
	self.speed = 2 + Math.random() * 1.5; // Slightly random speed
	self.angle = 0; // Will be set on spawn
	self.radius = 0; // Distance from center
	// For fade-out
	self.fadeTimer = 0;
	// For collision
	self.lastLaserHit = false;
	// For wizard
	self.isWizard = false;
	self.shieldedEnemy = null; // For wizard: the enemy it protects
	// Set state (change color/asset)
	self.setState = function (state) {
		self.state = state;
		if (self.isWizard) {
			// Always wizard asset
			if (self.enemyAsset) self.enemyAsset.destroy();
			self.enemyAsset = self.attachAsset('wizard', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else if (state === 0) {
			if (self.enemyAsset) self.enemyAsset.destroy();
			self.enemyAsset = self.attachAsset('enemy', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else if (state === 1) {
			if (self.enemyAsset) self.enemyAsset.destroy();
			self.enemyAsset = self.attachAsset('enemy_shielded', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else if (state === 2) {
			if (self.enemyAsset) self.enemyAsset.destroy();
			self.enemyAsset = self.attachAsset('enemy_fading', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		}
	};
	// Show/hide shield
	self.setShield = function (on) {
		if (on && !self.shieldAsset) {
			self.shieldAsset = self.attachAsset('shield', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			self.shieldAsset.alpha = 0.35;
		} else if (!on && self.shieldAsset) {
			self.shieldAsset.destroy();
			self.shieldAsset = null;
		}
	};
	// Called every tick
	self.update = function () {
		// Move towards center
		var dx = 1024 - self.x;
		var dy = 1366 - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 0) {
			var moveDist = Math.min(self.speed, dist);
			self.x += dx / dist * moveDist;
			self.y += dy / dist * moveDist;
		}
		// Fading out
		if (self.state === 2) {
			self.fadeTimer += 1;
			if (self.fadeTimer > 30) {
				// Remove after fade
				self.destroy();
			} else {
				self.alpha = 1 - self.fadeTimer / 30;
			}
		}
	};
	// For wizard: assign protected enemy
	self.setShieldedEnemy = function (enemy) {
		self.shieldedEnemy = enemy;
		if (enemy) {
			enemy.isProtected = true;
			enemy.protector = self;
			enemy.setShield(true);
		}
	};
	// For wizard: remove shield from protected enemy
	self.removeShieldedEnemy = function () {
		if (self.shieldedEnemy) {
			self.shieldedEnemy.isProtected = false;
			self.shieldedEnemy.protector = null;
			self.shieldedEnemy.setShield(false);
			self.shieldedEnemy = null;
		}
	};
	// For protected enemy: called if wizard dies
	self.removeProtection = function () {
		self.isProtected = false;
		self.protector = null;
		self.setShield(false);
	};
	return self;
});
// --- Dangerous Enemy Types ---
// Fast enemy: moves faster, dies in 1 hit, red color
// Tank enemy: moves slow, takes 3 hits, purple color
// Exploder enemy: explodes on death, orange color
// Tank Enemy
var TankEnemy = Enemy.expand(function () {
	var self = Enemy.call(this);
	self.tankHits = 0; // 0,1,2,3 (3rd is death)
	self.speed = 1.2 + Math.random() * 0.5;
	self.setState = function (state) {
		self.state = state;
		if (self.enemyAsset) self.enemyAsset.destroy();
		if (self.tankHits === 0) {
			self.enemyAsset = self.attachAsset('enemy_tank', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else if (self.tankHits === 1) {
			self.enemyAsset = self.attachAsset('enemy_tank_dmg1', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else if (self.tankHits === 2) {
			self.enemyAsset = self.attachAsset('enemy_tank_dmg2', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		} else {
			self.enemyAsset = self.attachAsset('enemy_fading', {
				anchorX: 0.5,
				anchorY: 0.5
			});
		}
	};
	self.update = function () {
		var dx = 1024 - self.x;
		var dy = 1366 - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 0) {
			var moveDist = Math.min(self.speed, dist);
			self.x += dx / dist * moveDist;
			self.y += dy / dist * moveDist;
		}
		if (self.state === 2) {
			self.fadeTimer += 1;
			if (self.fadeTimer > 40) {
				self.destroy();
			} else {
				self.alpha = 1 - self.fadeTimer / 40;
			}
		}
	};
	return self;
});
// --- Dangerous Enemy Classes ---
// Fast Enemy
var FastEnemy = Enemy.expand(function () {
	var self = Enemy.call(this);
	self.speed = 5 + Math.random() * 2;
	self.setState = function (state) {
		self.state = state;
		if (self.enemyAsset) self.enemyAsset.destroy();
		self.enemyAsset = self.attachAsset('enemy_fast', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	// Only 1 hit to die
	self.update = function () {
		var dx = 1024 - self.x;
		var dy = 1366 - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 0) {
			var moveDist = Math.min(self.speed, dist);
			self.x += dx / dist * moveDist;
			self.y += dy / dist * moveDist;
		}
		if (self.state === 2) {
			self.fadeTimer += 1;
			if (self.fadeTimer > 18) {
				self.destroy();
			} else {
				self.alpha = 1 - self.fadeTimer / 18;
			}
		}
	};
	return self;
});
// Exploder Enemy
var ExploderEnemy = Enemy.expand(function () {
	var self = Enemy.call(this);
	self.speed = 2.5 + Math.random() * 1.2;
	self.setState = function (state) {
		self.state = state;
		if (self.enemyAsset) self.enemyAsset.destroy();
		self.enemyAsset = self.attachAsset('enemy_exploder', {
			anchorX: 0.5,
			anchorY: 0.5
		});
	};
	self.update = function () {
		var dx = 1024 - self.x;
		var dy = 1366 - self.y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist > 0) {
			var moveDist = Math.min(self.speed, dist);
			self.x += dx / dist * moveDist;
			self.y += dy / dist * moveDist;
		}
		if (self.state === 2) {
			self.fadeTimer += 1;
			if (self.fadeTimer > 22) {
				self.destroy();
			} else {
				self.alpha = 1 - self.fadeTimer / 22;
			}
		}
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x181a1b
});

/**** 
* Game Code
****/ 
// Exploder enemy: explodes on death, orange color
// Tank enemy: moves slow, takes 3 hits, purple color
// Fast enemy: moves faster, dies in 1 hit, red color
// --- Dangerous Enemy Types ---
// Center of screen
// Main character (center)
// Lazer beam (thin, long rectangle)
// Enemy: normal
// Enemy: shielded (first hit)
// Enemy: fading (second hit)
// Enemy: wizard
// Shield effect (for protected enemies)
// Sound for enemy destroyed
var CENTER_X = 1024;
var CENTER_Y = 1366;
// Main character
var hero = new Container();
var heroAsset = hero.attachAsset('hero', {
	anchorX: 0.5,
	anchorY: 0.5
});
hero.x = CENTER_X;
hero.y = CENTER_Y;
game.addChild(hero);
// Laser
var laser = new Container();
var laserAsset = laser.attachAsset('laser', {
	anchorX: 0.5,
	anchorY: 0
});
laser.x = CENTER_X;
laser.y = CENTER_Y;
laser.rotation = 0;
game.addChild(laser);
// Laser direction (in radians)
var laserAngle = 0; // 0 = up
var laserTargetAngle = 0; // For smooth tweening
// Touch drag control
// Remove dragging logic, always follow last touch/mouse position
var lastPointer = {
	x: CENTER_X,
	y: CENTER_Y
};
var enemies = [];
var spawnWaveTimer = 0;
var waveNumber = 1;
// Boss
var boss = null;
var bossActive = false;
var bossDefeated = false;
// Score
var score = 0;
// Import storage plugin for persistent high score
// Retrieve high score from storage, or 0 if not set
var highScore = storage.highScore || 0;
// Score text
var scoreTxt = new Text2('0', {
	size: 120,
	fill: "#fff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// High score text
var highScoreTxt = new Text2('En Yüksek: ' + highScore, {
	size: 60,
	fill: 0xFFD700
});
highScoreTxt.anchor.set(0.5, 0);
highScoreTxt.y = 110; // Place below the main score
LK.gui.top.addChild(highScoreTxt);
// Helper: spawn a single enemy at random angle/distance
function spawnEnemy(type) {
	var enemy;
	if (type === 'wizard') {
		enemy = new Enemy();
		enemy.isWizard = true;
		enemy.setState(0);
	} else if (type === 'fast') {
		enemy = new FastEnemy();
		enemy.setState(0);
	} else if (type === 'tank') {
		enemy = new TankEnemy();
		enemy.setState(0);
	} else if (type === 'exploder') {
		enemy = new ExploderEnemy();
		enemy.setState(0);
	} else {
		enemy = new Enemy();
		enemy.setState(0);
	}
	// Spawn at random angle, at edge of screen
	var angle = Math.random() * Math.PI * 2;
	var dist = 1200 + Math.random() * 400;
	enemy.x = CENTER_X + Math.cos(angle) * dist;
	enemy.y = CENTER_Y + Math.sin(angle) * dist;
	enemy.angle = angle;
	enemy.radius = dist;
	// Set speed for normal/wizard
	if (type === 'wizard') {
		enemy.speed = 2.5 + Math.random() * 1.2;
	} else if (type === 'normal') {
		enemy.speed = 2 + Math.random() * 1.5;
	}
	game.addChild(enemy);
	enemies.push(enemy);
	return enemy;
}
// Helper: assign wizards to protect nearest enemy
function assignWizards() {
	// Get all wizards
	var wizards = [];
	var normalEnemies = [];
	for (var i = 0; i < enemies.length; ++i) {
		var e = enemies[i];
		if (e.isWizard) wizards.push(e);else if (!e.isProtected) normalEnemies.push(e);
	}
	// For each wizard, find nearest unprotected normal enemy (not wizard, not protected, not fading)
	for (var j = 0; j < wizards.length; ++j) {
		var wiz = wizards[j];
		// Remove old shield
		wiz.removeShieldedEnemy();
		// Find nearest normal enemy (not wizard, not protected, not fading)
		var minDist = 99999;
		var nearest = null;
		for (var k = 0; k < enemies.length; ++k) {
			var e2 = enemies[k];
			if (e2 === wiz) continue;
			if (e2.isWizard) continue; // Only shield normal enemies
			if (e2.isProtected) continue;
			if (e2.state === 2) continue; // Fading out
			var dx = wiz.x - e2.x;
			var dy = wiz.y - e2.y;
			var d = dx * dx + dy * dy;
			if (d < minDist) {
				minDist = d;
				nearest = e2;
			}
		}
		if (nearest) {
			wiz.setShieldedEnemy(nearest);
		}
	}
}
// Helper: spawn a wave of enemies
function spawnWave() {
	// After boss is defeated, scale up difficulty and spawn more dangerous enemies
	var postBoss = bossDefeated && score >= 500;
	var baseEnemies = 3 + Math.floor(waveNumber * 0.7);
	var numEnemies = postBoss ? Math.floor(baseEnemies * (1.2 + (score - 500) / 1000)) : baseEnemies;
	var numWizards = postBoss ? Math.floor(numEnemies * 0.08) : Math.min(1 + Math.floor(waveNumber / 3), Math.floor(numEnemies / 3));
	// Dangerous enemy ratios
	var fastRatio = postBoss ? Math.min(0.25 + (score - 500) / 2000, 0.45) : 0;
	var tankRatio = postBoss ? Math.min(0.18 + (score - 500) / 3000, 0.32) : 0;
	var exploderRatio = postBoss ? Math.min(0.12 + (score - 500) / 4000, 0.22) : 0;
	// Normal enemies become rare
	var normalRatio = 1 - (fastRatio + tankRatio + exploderRatio + numWizards / numEnemies);
	// Clamp
	if (normalRatio < 0.08) normalRatio = 0.08;
	// Build enemy type pool
	var pool = [];
	for (var i = 0; i < Math.floor(numEnemies * fastRatio); ++i) pool.push('fast');
	for (var i = 0; i < Math.floor(numEnemies * tankRatio); ++i) pool.push('tank');
	for (var i = 0; i < Math.floor(numEnemies * exploderRatio); ++i) pool.push('exploder');
	for (var i = 0; i < Math.floor(numEnemies * normalRatio); ++i) pool.push('normal');
	// Fill up to numEnemies
	while (pool.length < numEnemies) pool.push('normal');
	// Shuffle pool
	for (var i = pool.length - 1; i > 0; --i) {
		var ri = Math.floor(Math.random() * (i + 1));
		var tmp = pool[i];
		pool[i] = pool[ri];
		pool[ri] = tmp;
	}
	// Spawn wizards
	for (var i = 0; i < numWizards; ++i) {
		spawnEnemy('wizard');
	}
	// Spawn from pool
	for (var j = 0; j < pool.length; ++j) {
		spawnEnemy(pool[j]);
	}
	assignWizards();
	waveNumber += 1;
}
// Helper: check if a point is inside the laser beam
function pointInLaser(px, py) {
	// Laser is a rectangle from (CENTER_X, CENTER_Y) in direction laserAngle, length = laserAsset.height
	var dx = px - CENTER_X;
	var dy = py - CENTER_Y;
	var len = Math.sqrt(dx * dx + dy * dy);
	if (len < 60) return false; // Don't hit at center
	var angleToPoint = Math.atan2(dy, dx);
	var diff = Math.abs(angleToPoint - laserAngle);
	// Normalize diff to [0, PI]
	while (diff > Math.PI) diff = Math.abs(diff - 2 * Math.PI);
	// If within 0.13 rad (~7.5 deg) of laser direction, and within laser length
	if (diff < 0.13 && len < laserAsset.height) {
		return true;
	}
	return false;
}
// Helper: remove enemy from array and game
function removeEnemy(enemy) {
	// Remove shield if wizard
	if (enemy.isWizard) {
		enemy.removeShieldedEnemy();
	}
	// Remove protection if protected
	if (enemy.isProtected && enemy.protector) {
		enemy.protector.removeShieldedEnemy();
	}
	for (var i = enemies.length - 1; i >= 0; --i) {
		if (enemies[i] === enemy) {
			enemies.splice(i, 1);
			break;
		}
	}
	enemy.destroy();
}
// Touch/drag controls
game.down = function (x, y, obj) {
	// Ignore top left 100x100 for menu
	if (x < 100 && y < 100) return;
	// Always update last pointer position and angle
	lastPointer.x = x;
	lastPointer.y = y;
	var dx = x - CENTER_X;
	var dy = y - CENTER_Y;
	var angle = Math.atan2(dy, dx);
	if (angle > Math.PI) angle -= 2 * Math.PI;
	if (angle < -Math.PI) angle += 2 * Math.PI;
	laserTargetAngle = angle;
};
game.move = function (x, y, obj) {
	// Always update last pointer position
	lastPointer.x = x;
	lastPointer.y = y;
	// Calculate angle from center to pointer
	var dx = x - CENTER_X;
	var dy = y - CENTER_Y;
	var angle = Math.atan2(dy, dx);
	// Clamp to [-PI, PI]
	if (angle > Math.PI) angle -= 2 * Math.PI;
	if (angle < -Math.PI) angle += 2 * Math.PI;
	laserTargetAngle = angle;
};
game.up = function (x, y, obj) {
	// No drag state to reset, but update pointer and angle for consistency
	lastPointer.x = x;
	lastPointer.y = y;
	var dx = x - CENTER_X;
	var dy = y - CENTER_Y;
	var angle = Math.atan2(dy, dx);
	if (angle > Math.PI) angle -= 2 * Math.PI;
	if (angle < -Math.PI) angle += 2 * Math.PI;
	laserTargetAngle = angle;
};
// Main update loop
game.update = function () {
	// Smoothly rotate laser towards target angle
	var diff = laserTargetAngle - laserAngle;
	while (diff > Math.PI) diff -= 2 * Math.PI;
	while (diff < -Math.PI) diff += 2 * Math.PI;
	laserAngle += diff * 0.18; // Smooth
	// Clamp
	if (laserAngle > Math.PI) laserAngle -= 2 * Math.PI;
	if (laserAngle < -Math.PI) laserAngle += 2 * Math.PI;
	laser.rotation = laserAngle - Math.PI / 2; // Because asset is vertical
	// Boss phase logic
	if (!bossActive && score >= 500 && !bossDefeated) {
		// Remove all enemies
		for (var i = enemies.length - 1; i >= 0; --i) {
			enemies[i].destroy();
		}
		enemies = [];
		// Spawn boss
		boss = new Boss();
		boss.x = CENTER_X;
		boss.y = CENTER_Y - 700;
		game.addChild(boss);
		bossActive = true;
	}
	if (bossActive && boss && !bossDefeated) {
		boss.update();
		// Boss collision with laser
		if (boss.state === 0 && pointInLaser(boss.x, boss.y)) {
			boss.hitByLaser();
			score += 20;
			scoreTxt.setText(score);
			// Update high score if needed
			if (score > highScore) {
				highScore = score;
				storage.highScore = highScore;
				highScoreTxt.setText('En Yüksek: ' + highScore);
			}
		}
		// Remove boss if faded out
		if (boss.state === 1 && boss.fadeTimer > 60) {
			boss.destroy();
			boss = null;
			bossActive = false;
			bossDefeated = true;
			// No win popup, continue game
			// Resume spawning waves
			waveNumber += 1;
			spawnWaveTimer = 0;
			// Optionally, you can spawn a new wave immediately or let the normal wave logic handle it
			// spawnWave();
			// No return here, let the game continue
		}
		// Boss game over if reaches center
		if (boss) {
			var bdx = boss.x - CENTER_X;
			var bdy = boss.y - CENTER_Y;
			var bdist = Math.sqrt(bdx * bdx + bdy * bdy);
			if (bdist < 120 && boss.state === 0) {
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
				return;
			}
		}
		return; // Only boss is active, skip rest
	}
	// Update all enemies
	for (var i = enemies.length - 1; i >= 0; --i) {
		var e = enemies[i];
		e.update();
		// Check if reached center (game over)
		var dx = e.x - CENTER_X;
		var dy = e.y - CENTER_Y;
		var dist = Math.sqrt(dx * dx + dy * dy);
		if (dist < 100 && e.state !== 2) {
			// Game over
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
	}
	// Laser collision
	var anyLaserHit = false;
	for (var j = enemies.length - 1; j >= 0; --j) {
		var e2 = enemies[j];
		if (e2.state === 2) continue; // Already dying
		if (pointInLaser(e2.x, e2.y)) {
			// If protected, can't be hit
			if (e2.isProtected) {
				// Show shield effect
				e2.setShield(true);
				continue;
			}
			// Wizards: die in one hit
			if (e2.isWizard) {
				e2.setState(2);
				e2.fadeTimer = 0;
				e2.removeShieldedEnemy();
				LK.getSound('wizard_down').play();
				score += 5;
				scoreTxt.setText(score);
				if (score > highScore) {
					highScore = score;
					storage.highScore = highScore;
					highScoreTxt.setText('En Yüksek: ' + highScore);
				}
				anyLaserHit = true;
				continue;
			}
			// Fast enemy: 1 hit to die
			if (e2 instanceof FastEnemy) {
				e2.setState(2);
				e2.fadeTimer = 0;
				LK.getSound('enemy_down').play();
				score += 2;
				scoreTxt.setText(score);
				if (score > highScore) {
					highScore = score;
					storage.highScore = highScore;
					highScoreTxt.setText('En Yüksek: ' + highScore);
				}
				anyLaserHit = true;
				continue;
			}
			// Tank enemy: 3 hits to die
			if (e2 instanceof TankEnemy) {
				if (e2.state !== 2) {
					e2.tankHits += 1;
					if (e2.tankHits < 3) {
						e2.setState(0);
						LK.getSound('laser_hit').play();
					} else {
						e2.setState(2);
						e2.fadeTimer = 0;
						LK.getSound('enemy_down').play();
						score += 4;
						scoreTxt.setText(score);
						if (score > highScore) {
							highScore = score;
							storage.highScore = highScore;
							highScoreTxt.setText('En Yüksek: ' + highScore);
						}
					}
					anyLaserHit = true;
					continue;
				}
			}
			// Exploder enemy: 1 hit to die, but will explode (handled in removeEnemy)
			if (e2 instanceof ExploderEnemy) {
				e2.setState(2);
				e2.fadeTimer = 0;
				LK.getSound('enemy_down').play();
				score += 3;
				scoreTxt.setText(score);
				if (score > highScore) {
					highScore = score;
					storage.highScore = highScore;
					highScoreTxt.setText('En Yüksek: ' + highScore);
				}
				anyLaserHit = true;
				continue;
			}
			// Normal enemy: 2 hits to die
			if (e2.state === 0) {
				e2.setState(1);
				LK.getSound('laser_hit').play();
				anyLaserHit = true;
			} else if (e2.state === 1) {
				e2.setState(2);
				e2.fadeTimer = 0;
				LK.getSound('enemy_down').play();
				score += 1;
				scoreTxt.setText(score);
				if (score > highScore) {
					highScore = score;
					storage.highScore = highScore;
					highScoreTxt.setText('En Yüksek: ' + highScore);
				}
				anyLaserHit = true;
			}
		} else {
			// Not hit, remove shield effect if any
			if (!e2.isWizard && !e2.isProtected) {
				e2.setShield(false);
			}
		}
	}
	// Remove dead enemies
	for (var k = enemies.length - 1; k >= 0; --k) {
		var e3 = enemies[k];
		// Exploder enemy: explode on death
		if (e3 instanceof ExploderEnemy && e3.state === 2 && e3.fadeTimer === 22) {
			// Check if player is close to explosion
			var dx = e3.x - CENTER_X;
			var dy = e3.y - CENTER_Y;
			var dist = Math.sqrt(dx * dx + dy * dy);
			if (dist < 220) {
				LK.effects.flashScreen(0xff6600, 1000);
				LK.showGameOver();
				return;
			}
			// Optionally, damage other enemies in radius (not implemented for simplicity)
		}
		if (e3.state === 2 && (e3 instanceof FastEnemy && e3.fadeTimer > 18 || e3 instanceof TankEnemy && e3.fadeTimer > 40 || e3 instanceof ExploderEnemy && e3.fadeTimer > 22 || !(e3 instanceof FastEnemy) && !(e3 instanceof TankEnemy) && !(e3 instanceof ExploderEnemy) && e3.fadeTimer > 30)) {
			removeEnemy(e3);
		}
	}
	// If all enemies gone, spawn next wave
	var living = 0;
	for (var m = 0; m < enemies.length; ++m) {
		if (enemies[m].state !== 2) living += 1;
	}
	if (living === 0) {
		spawnWaveTimer += 1;
		if (spawnWaveTimer > 40) {
			spawnWave();
			spawnWaveTimer = 0;
		}
	} else {
		spawnWaveTimer = 0;
	}
	// (Removed wave-based win condition so game continues indefinitely)
};
// Start first wave
spawnWave();
scoreTxt.setText(score);
// Play action-packed background music
LK.playMusic('action_bgmusic');

===================================================================
--- original.js
+++ change.js
@@ -189,8 +189,128 @@
 		self.setShield(false);
 	};
 	return self;
 });
+// --- Dangerous Enemy Types ---
+// Fast enemy: moves faster, dies in 1 hit, red color
+// Tank enemy: moves slow, takes 3 hits, purple color
+// Exploder enemy: explodes on death, orange color
+// Tank Enemy
+var TankEnemy = Enemy.expand(function () {
+	var self = Enemy.call(this);
+	self.tankHits = 0; // 0,1,2,3 (3rd is death)
+	self.speed = 1.2 + Math.random() * 0.5;
+	self.setState = function (state) {
+		self.state = state;
+		if (self.enemyAsset) self.enemyAsset.destroy();
+		if (self.tankHits === 0) {
+			self.enemyAsset = self.attachAsset('enemy_tank', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+		} else if (self.tankHits === 1) {
+			self.enemyAsset = self.attachAsset('enemy_tank_dmg1', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+		} else if (self.tankHits === 2) {
+			self.enemyAsset = self.attachAsset('enemy_tank_dmg2', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+		} else {
+			self.enemyAsset = self.attachAsset('enemy_fading', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+		}
+	};
+	self.update = function () {
+		var dx = 1024 - self.x;
+		var dy = 1366 - self.y;
+		var dist = Math.sqrt(dx * dx + dy * dy);
+		if (dist > 0) {
+			var moveDist = Math.min(self.speed, dist);
+			self.x += dx / dist * moveDist;
+			self.y += dy / dist * moveDist;
+		}
+		if (self.state === 2) {
+			self.fadeTimer += 1;
+			if (self.fadeTimer > 40) {
+				self.destroy();
+			} else {
+				self.alpha = 1 - self.fadeTimer / 40;
+			}
+		}
+	};
+	return self;
+});
+// --- Dangerous Enemy Classes ---
+// Fast Enemy
+var FastEnemy = Enemy.expand(function () {
+	var self = Enemy.call(this);
+	self.speed = 5 + Math.random() * 2;
+	self.setState = function (state) {
+		self.state = state;
+		if (self.enemyAsset) self.enemyAsset.destroy();
+		self.enemyAsset = self.attachAsset('enemy_fast', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+	};
+	// Only 1 hit to die
+	self.update = function () {
+		var dx = 1024 - self.x;
+		var dy = 1366 - self.y;
+		var dist = Math.sqrt(dx * dx + dy * dy);
+		if (dist > 0) {
+			var moveDist = Math.min(self.speed, dist);
+			self.x += dx / dist * moveDist;
+			self.y += dy / dist * moveDist;
+		}
+		if (self.state === 2) {
+			self.fadeTimer += 1;
+			if (self.fadeTimer > 18) {
+				self.destroy();
+			} else {
+				self.alpha = 1 - self.fadeTimer / 18;
+			}
+		}
+	};
+	return self;
+});
+// Exploder Enemy
+var ExploderEnemy = Enemy.expand(function () {
+	var self = Enemy.call(this);
+	self.speed = 2.5 + Math.random() * 1.2;
+	self.setState = function (state) {
+		self.state = state;
+		if (self.enemyAsset) self.enemyAsset.destroy();
+		self.enemyAsset = self.attachAsset('enemy_exploder', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+	};
+	self.update = function () {
+		var dx = 1024 - self.x;
+		var dy = 1366 - self.y;
+		var dist = Math.sqrt(dx * dx + dy * dy);
+		if (dist > 0) {
+			var moveDist = Math.min(self.speed, dist);
+			self.x += dx / dist * moveDist;
+			self.y += dy / dist * moveDist;
+		}
+		if (self.state === 2) {
+			self.fadeTimer += 1;
+			if (self.fadeTimer > 22) {
+				self.destroy();
+			} else {
+				self.alpha = 1 - self.fadeTimer / 22;
+			}
+		}
+	};
+	return self;
+});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -200,8 +320,12 @@
 
 /**** 
 * Game Code
 ****/ 
+// Exploder enemy: explodes on death, orange color
+// Tank enemy: moves slow, takes 3 hits, purple color
+// Fast enemy: moves faster, dies in 1 hit, red color
+// --- Dangerous Enemy Types ---
 // Center of screen
 // Main character (center)
 // Lazer beam (thin, long rectangle)
 // Enemy: normal
@@ -268,19 +392,39 @@
 highScoreTxt.y = 110; // Place below the main score
 LK.gui.top.addChild(highScoreTxt);
 // Helper: spawn a single enemy at random angle/distance
 function spawnEnemy(type) {
-	var enemy = new Enemy();
-	enemy.isWizard = type === 'wizard';
-	enemy.setState(enemy.isWizard ? 0 : 0);
+	var enemy;
+	if (type === 'wizard') {
+		enemy = new Enemy();
+		enemy.isWizard = true;
+		enemy.setState(0);
+	} else if (type === 'fast') {
+		enemy = new FastEnemy();
+		enemy.setState(0);
+	} else if (type === 'tank') {
+		enemy = new TankEnemy();
+		enemy.setState(0);
+	} else if (type === 'exploder') {
+		enemy = new ExploderEnemy();
+		enemy.setState(0);
+	} else {
+		enemy = new Enemy();
+		enemy.setState(0);
+	}
 	// Spawn at random angle, at edge of screen
 	var angle = Math.random() * Math.PI * 2;
 	var dist = 1200 + Math.random() * 400;
 	enemy.x = CENTER_X + Math.cos(angle) * dist;
 	enemy.y = CENTER_Y + Math.sin(angle) * dist;
 	enemy.angle = angle;
 	enemy.radius = dist;
-	enemy.speed = 2 + Math.random() * 1.5 + (enemy.isWizard ? 0.5 : 0);
+	// Set speed for normal/wizard
+	if (type === 'wizard') {
+		enemy.speed = 2.5 + Math.random() * 1.2;
+	} else if (type === 'normal') {
+		enemy.speed = 2 + Math.random() * 1.5;
+	}
 	game.addChild(enemy);
 	enemies.push(enemy);
 	return enemy;
 }
@@ -321,17 +465,43 @@
 	}
 }
 // Helper: spawn a wave of enemies
 function spawnWave() {
-	var numEnemies = 3 + Math.floor(waveNumber * 0.7);
-	var numWizards = Math.min(1 + Math.floor(waveNumber / 3), Math.floor(numEnemies / 3));
+	// After boss is defeated, scale up difficulty and spawn more dangerous enemies
+	var postBoss = bossDefeated && score >= 500;
+	var baseEnemies = 3 + Math.floor(waveNumber * 0.7);
+	var numEnemies = postBoss ? Math.floor(baseEnemies * (1.2 + (score - 500) / 1000)) : baseEnemies;
+	var numWizards = postBoss ? Math.floor(numEnemies * 0.08) : Math.min(1 + Math.floor(waveNumber / 3), Math.floor(numEnemies / 3));
+	// Dangerous enemy ratios
+	var fastRatio = postBoss ? Math.min(0.25 + (score - 500) / 2000, 0.45) : 0;
+	var tankRatio = postBoss ? Math.min(0.18 + (score - 500) / 3000, 0.32) : 0;
+	var exploderRatio = postBoss ? Math.min(0.12 + (score - 500) / 4000, 0.22) : 0;
+	// Normal enemies become rare
+	var normalRatio = 1 - (fastRatio + tankRatio + exploderRatio + numWizards / numEnemies);
+	// Clamp
+	if (normalRatio < 0.08) normalRatio = 0.08;
+	// Build enemy type pool
+	var pool = [];
+	for (var i = 0; i < Math.floor(numEnemies * fastRatio); ++i) pool.push('fast');
+	for (var i = 0; i < Math.floor(numEnemies * tankRatio); ++i) pool.push('tank');
+	for (var i = 0; i < Math.floor(numEnemies * exploderRatio); ++i) pool.push('exploder');
+	for (var i = 0; i < Math.floor(numEnemies * normalRatio); ++i) pool.push('normal');
+	// Fill up to numEnemies
+	while (pool.length < numEnemies) pool.push('normal');
+	// Shuffle pool
+	for (var i = pool.length - 1; i > 0; --i) {
+		var ri = Math.floor(Math.random() * (i + 1));
+		var tmp = pool[i];
+		pool[i] = pool[ri];
+		pool[ri] = tmp;
+	}
 	// Spawn wizards
 	for (var i = 0; i < numWizards; ++i) {
 		spawnEnemy('wizard');
 	}
-	// Spawn normal enemies
-	for (var j = 0; j < numEnemies; ++j) {
-		spawnEnemy('normal');
+	// Spawn from pool
+	for (var j = 0; j < pool.length; ++j) {
+		spawnEnemy(pool[j]);
 	}
 	assignWizards();
 	waveNumber += 1;
 }
@@ -504,22 +674,73 @@
 			// Wizards: die in one hit
 			if (e2.isWizard) {
 				e2.setState(2);
 				e2.fadeTimer = 0;
-				// Remove shield from protected enemy
 				e2.removeShieldedEnemy();
 				LK.getSound('wizard_down').play();
 				score += 5;
 				scoreTxt.setText(score);
-				// Update high score if needed
 				if (score > highScore) {
 					highScore = score;
 					storage.highScore = highScore;
 					highScoreTxt.setText('En Yüksek: ' + highScore);
 				}
 				anyLaserHit = true;
 				continue;
 			}
+			// Fast enemy: 1 hit to die
+			if (e2 instanceof FastEnemy) {
+				e2.setState(2);
+				e2.fadeTimer = 0;
+				LK.getSound('enemy_down').play();
+				score += 2;
+				scoreTxt.setText(score);
+				if (score > highScore) {
+					highScore = score;
+					storage.highScore = highScore;
+					highScoreTxt.setText('En Yüksek: ' + highScore);
+				}
+				anyLaserHit = true;
+				continue;
+			}
+			// Tank enemy: 3 hits to die
+			if (e2 instanceof TankEnemy) {
+				if (e2.state !== 2) {
+					e2.tankHits += 1;
+					if (e2.tankHits < 3) {
+						e2.setState(0);
+						LK.getSound('laser_hit').play();
+					} else {
+						e2.setState(2);
+						e2.fadeTimer = 0;
+						LK.getSound('enemy_down').play();
+						score += 4;
+						scoreTxt.setText(score);
+						if (score > highScore) {
+							highScore = score;
+							storage.highScore = highScore;
+							highScoreTxt.setText('En Yüksek: ' + highScore);
+						}
+					}
+					anyLaserHit = true;
+					continue;
+				}
+			}
+			// Exploder enemy: 1 hit to die, but will explode (handled in removeEnemy)
+			if (e2 instanceof ExploderEnemy) {
+				e2.setState(2);
+				e2.fadeTimer = 0;
+				LK.getSound('enemy_down').play();
+				score += 3;
+				scoreTxt.setText(score);
+				if (score > highScore) {
+					highScore = score;
+					storage.highScore = highScore;
+					highScoreTxt.setText('En Yüksek: ' + highScore);
+				}
+				anyLaserHit = true;
+				continue;
+			}
 			// Normal enemy: 2 hits to die
 			if (e2.state === 0) {
 				e2.setState(1);
 				LK.getSound('laser_hit').play();
@@ -529,9 +750,8 @@
 				e2.fadeTimer = 0;
 				LK.getSound('enemy_down').play();
 				score += 1;
 				scoreTxt.setText(score);
-				// Update high score if needed
 				if (score > highScore) {
 					highScore = score;
 					storage.highScore = highScore;
 					highScoreTxt.setText('En Yüksek: ' + highScore);
@@ -547,9 +767,22 @@
 	}
 	// Remove dead enemies
 	for (var k = enemies.length - 1; k >= 0; --k) {
 		var e3 = enemies[k];
-		if (e3.state === 2 && e3.fadeTimer > 30) {
+		// Exploder enemy: explode on death
+		if (e3 instanceof ExploderEnemy && e3.state === 2 && e3.fadeTimer === 22) {
+			// Check if player is close to explosion
+			var dx = e3.x - CENTER_X;
+			var dy = e3.y - CENTER_Y;
+			var dist = Math.sqrt(dx * dx + dy * dy);
+			if (dist < 220) {
+				LK.effects.flashScreen(0xff6600, 1000);
+				LK.showGameOver();
+				return;
+			}
+			// Optionally, damage other enemies in radius (not implemented for simplicity)
+		}
+		if (e3.state === 2 && (e3 instanceof FastEnemy && e3.fadeTimer > 18 || e3 instanceof TankEnemy && e3.fadeTimer > 40 || e3 instanceof ExploderEnemy && e3.fadeTimer > 22 || !(e3 instanceof FastEnemy) && !(e3 instanceof TankEnemy) && !(e3 instanceof ExploderEnemy) && e3.fadeTimer > 30)) {
 			removeEnemy(e3);
 		}
 	}
 	// If all enemies gone, spawn next wave