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

/**** 
* Classes
****/ 
// Enemy: Bat
var Bat = Container.expand(function (x, y) {
	var self = Container.call(this);
	var bat = self.attachAsset('bat', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = x;
	self.y = y;
	self.vx = (Math.random() > 0.5 ? 1 : -1) * (12 + Math.random() * 8);
	self.vy = Math.random() > 0.5 ? 2 : -2;
	self.frozen = false;
	self.frozenTimer = 0;
	self.trapped = false;
	self.trapTimer = 0;
	self.update = function () {
		if (self.trapped) {
			self.trapTimer--;
			if (self.trapTimer <= 0) {
				self.trapped = false;
				self.alpha = 1;
			}
			return;
		}
		if (self.frozen) {
			self.frozenTimer--;
			if (self.frozenTimer <= 0) {
				self.frozen = false;
				bat.tint = 0x2a2a2a;
			}
			return;
		}
		self.x += self.vx;
		self.y += self.vy;
		if (self.x < 60 || self.x > 2048 - 60) self.vx *= -1;
		if (self.y < 200 || self.y > 2732 - 200) self.vy *= -1;
	};
	// Freeze effect
	self.freeze = function () {
		self.frozen = true;
		self.frozenTimer = 60;
		bat.tint = 0x7fdfff;
	};
	// Trap effect
	self.trap = function () {
		self.trapped = true;
		self.trapTimer = 90;
		self.alpha = 0.4;
	};
	// Shatter (destroy)
	self.shatter = function () {
		LK.getSound('shatter').play();
		self.destroy();
		var idx = enemies.indexOf(self);
		if (idx >= 0) enemies.splice(idx, 1);
		LK.setScore(LK.getScore() + 1);
		scoreTxt.setText(LK.getScore());
	};
	return self;
});
// Evanasense (player) class
var Evanasense = Container.expand(function () {
	var self = Container.call(this);
	// Body
	var body = self.attachAsset('evana', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Hat
	var hat = self.attachAsset('evana_hat', {
		anchorX: 0.5,
		anchorY: 1.1,
		y: -60
	});
	// Physics
	self.vx = 0;
	self.vy = 0;
	self.isOnGround = false;
	self.facing = 1; // 1: right, -1: left
	self.canShoot = true;
	self.shootCooldown = 0;
	self.shielded = false;
	self.speedBoost = 0;
	self.fullMoon = false;
	self.fullMoonTimer = 0;
	// For power-up visuals
	self.shieldSprite = null;
	// Freeze spell
	self.castFreeze = function () {
		if (!self.canShoot) return;
		self.canShoot = false;
		self.shootCooldown = 30; // 0.5s cooldown
		var orb = new FreezeOrb(self.x, self.y - 60, self.facing);
		game.addChild(orb);
		freezeOrbs.push(orb);
		LK.getSound('freeze').play();
	};
	// Trap spell (ice block, only in full moon mode)
	self.castTrap = function () {
		if (!self.fullMoon) return;
		var trap = new IceBlock(self.x + 100 * self.facing, self.y - 40);
		game.addChild(trap);
		iceBlocks.push(trap);
		LK.getSound('trap').play();
	};
	// Power-up: Shield
	self.gainShield = function () {
		self.shielded = true;
		if (!self.shieldSprite) {
			self.shieldSprite = self.attachAsset('shield', {
				anchorX: 0.5,
				anchorY: 0.5,
				alpha: 0.5
			});
		}
		self.shieldSprite.visible = true;
	};
	self.loseShield = function () {
		self.shielded = false;
		if (self.shieldSprite) self.shieldSprite.visible = false;
	};
	// Power-up: Speed
	self.gainSpeed = function () {
		self.speedBoost = 180;
		LK.effects.flashObject(self, 0xffe066, 400);
	};
	// Power-up: Full Moon
	self.activateFullMoon = function () {
		self.fullMoon = true;
		self.fullMoonTimer = 360; // 6 seconds
		LK.effects.flashObject(self, 0xf6f1c7, 600);
	};
	// Update
	self.update = function () {
		// Gravity
		self.vy += 2.2;
		if (self.vy > 40) self.vy = 40;
		// Movement
		var moveSpeed = 18 + (self.speedBoost > 0 ? 10 : 0);
		if (self.moveDir) {
			self.vx = moveSpeed * self.moveDir;
			self.facing = self.moveDir;
		} else {
			self.vx *= 0.7;
			if (Math.abs(self.vx) < 1) self.vx = 0;
		}
		// Apply position
		self.x += self.vx;
		self.y += self.vy;
		// Clamp to screen
		if (self.x < 60) self.x = 60;
		if (self.x > 2048 - 60) self.x = 2048 - 60;
		if (self.y > 2732 - 60) {
			self.y = 2732 - 60;
			self.vy = 0;
			self.isOnGround = true;
		}
		// Platform collision
		self.isOnGround = false;
		for (var i = 0; i < platforms.length; i++) {
			var p = platforms[i];
			if (self.y + 60 > p.y - p.height / 2 && self.y + 60 < p.y + p.height / 2 && self.x > p.x - p.width / 2 + 30 && self.x < p.x + p.width / 2 - 30 && self.vy >= 0) {
				self.y = p.y - p.height / 2 - 60;
				self.vy = 0;
				self.isOnGround = true;
			}
		}
		// Shooting cooldown
		if (!self.canShoot) {
			self.shootCooldown--;
			if (self.shootCooldown <= 0) {
				self.canShoot = true;
			}
		}
		// Speed boost timer
		if (self.speedBoost > 0) {
			self.speedBoost--;
		}
		// Full moon timer
		if (self.fullMoon) {
			self.fullMoonTimer--;
			if (self.fullMoonTimer <= 0) {
				self.fullMoon = false;
			}
		}
	};
	return self;
});
// Freeze orb spell
var FreezeOrb = Container.expand(function (x, y, dir) {
	var self = Container.call(this);
	var orb = self.attachAsset('freeze_orb', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = x;
	self.y = y;
	self.vx = 32 * dir;
	self.lifetime = 60;
	self.update = function () {
		self.x += self.vx;
		self.lifetime--;
		if (self.lifetime <= 0) {
			self.destroy();
			var idx = freezeOrbs.indexOf(self);
			if (idx >= 0) freezeOrbs.splice(idx, 1);
		}
	};
	return self;
});
// Enemy: Ghost
var Ghost = Container.expand(function (x, y) {
	var self = Container.call(this);
	var ghost = self.attachAsset('ghost', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.85
	});
	self.x = x;
	self.y = y;
	self.vx = (Math.random() > 0.5 ? 1 : -1) * (8 + Math.random() * 6);
	self.vy = 0;
	self.frozen = false;
	self.frozenTimer = 0;
	self.trapped = false;
	self.trapTimer = 0;
	self.update = function () {
		if (self.trapped) {
			self.trapTimer--;
			if (self.trapTimer <= 0) {
				self.trapped = false;
				self.alpha = 0.85;
			}
			return;
		}
		if (self.frozen) {
			self.frozenTimer--;
			if (self.frozenTimer <= 0) {
				self.frozen = false;
				ghost.tint = 0xcfd6e6;
			}
			return;
		}
		self.x += self.vx;
		if (self.x < 80 || self.x > 2048 - 80) self.vx *= -1;
	};
	// Freeze effect
	self.freeze = function () {
		self.frozen = true;
		self.frozenTimer = 60;
		ghost.tint = 0x7fdfff;
	};
	// Trap effect
	self.trap = function () {
		self.trapped = true;
		self.trapTimer = 90;
		self.alpha = 0.4;
	};
	// Shatter (destroy)
	self.shatter = function () {
		LK.getSound('shatter').play();
		self.destroy();
		var idx = enemies.indexOf(self);
		if (idx >= 0) enemies.splice(idx, 1);
		LK.setScore(LK.getScore() + 1);
		scoreTxt.setText(LK.getScore());
	};
	return self;
});
// Ice block trap (full moon mode)
var IceBlock = Container.expand(function (x, y) {
	var self = Container.call(this);
	var block = self.attachAsset('ice_block', {
		anchorX: 0.5,
		anchorY: 0.5,
		alpha: 0.85
	});
	self.x = x;
	self.y = y;
	self.lifetime = 120;
	self.update = function () {
		self.lifetime--;
		if (self.lifetime <= 0) {
			self.destroy();
			var idx = iceBlocks.indexOf(self);
			if (idx >= 0) iceBlocks.splice(idx, 1);
		}
	};
	return self;
});
// Power-up: Moon (full moon mode)
var MoonPower = Container.expand(function (x, y) {
	var self = Container.call(this);
	var moon = self.attachAsset('moon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = x;
	self.y = y;
	self.type = 'moon';
	self.update = function () {};
	return self;
});
// Platform
var Platform = Container.expand(function (x, y, w) {
	var self = Container.call(this);
	var plat = self.attachAsset('platform', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: w || 320
	});
	self.x = x;
	self.y = y;
	self.width = w || 320;
	self.height = 40;
	return self;
});
// Power-up: Shield
var ShieldPower = Container.expand(function (x, y) {
	var self = Container.call(this);
	var shield = self.attachAsset('shield', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = x;
	self.y = y;
	self.type = 'shield';
	self.update = function () {};
	return self;
});
// Power-up: Speed
var SpeedPower = Container.expand(function (x, y) {
	var self = Container.call(this);
	var speed = self.attachAsset('speed', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.x = x;
	self.y = y;
	self.type = 'speed';
	self.update = function () {};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x18141e
});

/**** 
* Game Code
****/ 
// Game state
// Main character: Evanasense (witch)
// Witch body
// Witch hat
// Enemy: Ghost
// Enemy: Bat
// Platform
// Spell: Freeze orb
// Spell: Trap (ice block)
// Power-up: Moon
// Power-up: Shield
// Power-up: Speed
// Sound effects
// Music
var player;
var platforms = [];
var enemies = [];
var freezeOrbs = [];
var iceBlocks = [];
var powerups = [];
var stage = 1;
var stageCleared = false;
var stageTimer = 0;
var dragNode = null;
var moveStartX = 0;
var moveDir = 0;
var scoreTxt;
// Score display
scoreTxt = new Text2('0', {
	size: 120,
	fill: 0xF6F1C7
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Stage display
var stageTxt = new Text2('Stage 1', {
	size: 70,
	fill: 0xB8E6FF
});
stageTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(stageTxt);
stageTxt.y = 120;
// Helper: spawn platforms
function spawnPlatforms() {
	// Clear old
	for (var i = 0; i < platforms.length; i++) platforms[i].destroy();
	platforms = [];
	// Floor
	var floor = new Platform(1024, 2732 - 40, 2048);
	game.addChild(floor);
	platforms.push(floor);
	// Floating platforms
	var platCount = 7 + Math.floor(stage / 1.5); // Increase number of platforms
	for (var i = 0; i < platCount; i++) {
		// Stagger platforms vertically and horizontally for more variety
		var px = 200 + Math.random() * (2048 - 400);
		var py = 500 + i * 260 - Math.random() * 100;
		var w = 200 + Math.random() * 200;
		var plat = new Platform(px, py, w);
		game.addChild(plat);
		platforms.push(plat);
	}
}
// Helper: spawn enemies
function spawnEnemies() {
	for (var i = 0; i < enemies.length; i++) enemies[i].destroy();
	enemies = [];
	var ghostCount = 2 + Math.floor(stage / 2);
	var batCount = 1 + Math.floor(stage / 3);
	for (var i = 0; i < ghostCount; i++) {
		var px = 200 + Math.random() * (2048 - 400);
		var py = 400 + Math.random() * 1200;
		var g = new Ghost(px, py);
		game.addChild(g);
		enemies.push(g);
	}
	for (var i = 0; i < batCount; i++) {
		var px = 200 + Math.random() * (2048 - 400);
		var py = 300 + Math.random() * 1000;
		var b = new Bat(px, py);
		game.addChild(b);
		enemies.push(b);
	}
}
// Helper: spawn powerups
function spawnPowerups() {
	for (var i = 0; i < powerups.length; i++) powerups[i].destroy();
	powerups = [];
	// Always one moon per stage
	var moon = new MoonPower(200 + Math.random() * (2048 - 400), 400 + Math.random() * 1200);
	game.addChild(moon);
	powerups.push(moon);
	// 50% chance for shield
	if (Math.random() < 0.5) {
		var shield = new ShieldPower(200 + Math.random() * (2048 - 400), 400 + Math.random() * 1200);
		game.addChild(shield);
		powerups.push(shield);
	}
	// 50% chance for speed
	if (Math.random() < 0.5) {
		var speed = new SpeedPower(200 + Math.random() * (2048 - 400), 400 + Math.random() * 1200);
		game.addChild(speed);
		powerups.push(speed);
	}
}
// Start new stage
function startStage() {
	stageCleared = false;
	stageTimer = 0;
	stageTxt.setText('Stage ' + stage);
	LK.setScore(0);
	scoreTxt.setText('0');
	spawnPlatforms();
	spawnEnemies();
	spawnPowerups();
	// Place player
	if (player) player.destroy();
	player = new Evanasense();
	player.x = 1024;
	player.y = 2732 - 200;
	game.addChild(player);
}
// Begin first stage
startStage();
// Touch controls
game.down = function (x, y, obj) {
	// If touch is on left or right half, move
	if (y > 2732 - 400) {
		if (x < 1024) {
			player.moveDir = -1;
		} else {
			player.moveDir = 1;
		}
		dragNode = null;
	} else {
		// Tap above: jump or cast
		if (player.isOnGround) {
			player.vy = -38;
			LK.getSound('jump').play();
		} else {
			// Cast freeze
			player.castFreeze();
		}
		dragNode = null;
	}
	moveStartX = x;
};
game.up = function (x, y, obj) {
	player.moveDir = 0;
	dragNode = null;
};
game.move = function (x, y, obj) {
	// Swipe left/right to move
	if (y > 2732 - 400) {
		if (x < 1024) {
			player.moveDir = -1;
		} else {
			player.moveDir = 1;
		}
	} else {
		player.moveDir = 0;
	}
};
// Main update loop
game.update = function () {
	// Update player
	if (player) player.update();
	// Update freeze orbs
	for (var i = freezeOrbs.length - 1; i >= 0; i--) {
		var orb = freezeOrbs[i];
		orb.update();
		// Collide with enemies
		for (var j = 0; j < enemies.length; j++) {
			var e = enemies[j];
			if (!e.frozen && !e.trapped && orb.intersects(e)) {
				e.freeze();
				orb.destroy();
				freezeOrbs.splice(i, 1);
				break;
			}
		}
	}
	// Update ice blocks
	for (var i = iceBlocks.length - 1; i >= 0; i--) {
		var block = iceBlocks[i];
		block.update();
		// Collide with enemies
		for (var j = 0; j < enemies.length; j++) {
			var e = enemies[j];
			if (!e.trapped && block.intersects(e)) {
				e.trap();
				block.destroy();
				iceBlocks.splice(i, 1);
				break;
			}
		}
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var e = enemies[i];
		e.update();
		// If frozen or trapped, can be shattered by touching again
		if ((e.frozen || e.trapped) && player && player.intersects(e)) {
			e.shatter();
		}
		// If not frozen/trapped, collision with player
		if (!e.frozen && !e.trapped && player && player.intersects(e)) {
			if (player.shielded) {
				player.loseShield();
				LK.getSound('hit').play();
				LK.effects.flashObject(player, 0x8fffd6, 400);
			} else {
				LK.effects.flashScreen(0x7e4a9c, 900);
				LK.showGameOver();
				return;
			}
		}
	}
	// Update powerups
	for (var i = powerups.length - 1; i >= 0; i--) {
		var p = powerups[i];
		if (player && player.intersects(p)) {
			if (p.type === 'moon') {
				player.activateFullMoon();
			} else if (p.type === 'shield') {
				player.gainShield();
			} else if (p.type === 'speed') {
				player.gainSpeed();
			}
			LK.getSound('powerup').play();
			p.destroy();
			powerups.splice(i, 1);
		}
	}
	// Full moon: allow trap spell by tap with two fingers (simulate by double tap)
	if (player && player.fullMoon && LK.ticks % 60 === 0) {
		// For MVP, allow trap spell every second in full moon
		player.castTrap();
	}
	// Stage clear
	if (!stageCleared && enemies.length === 0) {
		stageCleared = true;
		stageTimer = 90;
		LK.effects.flashScreen(0xb8e6ff, 600);
	}
	if (stageCleared) {
		stageTimer--;
		if (stageTimer <= 0) {
			stage++;
			if (stage % 5 === 0) {
				// Boss stage MVP: just spawn more enemies
				stageTxt.setText('Boss Stage!');
				for (var i = 0; i < 3; i++) {
					var px = 200 + Math.random() * (2048 - 400);
					var py = 400 + Math.random() * 1200;
					var g = new Ghost(px, py);
					game.addChild(g);
					enemies.push(g);
				}
				for (var i = 0; i < 2; i++) {
					var px = 200 + Math.random() * (2048 - 400);
					var py = 300 + Math.random() * 1000;
					var b = new Bat(px, py);
					game.addChild(b);
					enemies.push(b);
				}
				stageCleared = false;
			} else {
				startStage();
			}
		}
	}
};
// Play music
LK.playMusic('gothic_theme', {
	fade: {
		start: 0,
		end: 1,
		duration: 1200
	}
});

===================================================================
--- original.js
+++ change.js
@@ -359,22 +359,22 @@
 
 /**** 
 * Game Code
 ****/ 
-// Music
-// Sound effects
-// Power-up: Speed
-// Power-up: Shield
-// Power-up: Moon
-// Spell: Trap (ice block)
-// Spell: Freeze orb
-// Platform
-// Enemy: Bat
-// Enemy: Ghost
-// Witch hat
-// Witch body
-// Main character: Evanasense (witch)
 // Game state
+// Main character: Evanasense (witch)
+// Witch body
+// Witch hat
+// Enemy: Ghost
+// Enemy: Bat
+// Platform
+// Spell: Freeze orb
+// Spell: Trap (ice block)
+// Power-up: Moon
+// Power-up: Shield
+// Power-up: Speed
+// Sound effects
+// Music
 var player;
 var platforms = [];
 var enemies = [];
 var freezeOrbs = [];
@@ -411,13 +411,14 @@
 	var floor = new Platform(1024, 2732 - 40, 2048);
 	game.addChild(floor);
 	platforms.push(floor);
 	// Floating platforms
-	var platCount = 4 + Math.floor(stage / 2);
+	var platCount = 7 + Math.floor(stage / 1.5); // Increase number of platforms
 	for (var i = 0; i < platCount; i++) {
+		// Stagger platforms vertically and horizontally for more variety
 		var px = 200 + Math.random() * (2048 - 400);
-		var py = 600 + i * 350 - Math.random() * 120;
-		var w = 220 + Math.random() * 180;
+		var py = 500 + i * 260 - Math.random() * 100;
+		var w = 200 + Math.random() * 200;
 		var plat = new Platform(px, py, w);
 		game.addChild(plat);
 		platforms.push(plat);
 	}