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

/**** 
* Classes
****/ 
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 45;
	self.vx = 0;
	self.scaleX = MaxScale;
	self.scaleY = MaxScale;
	self.update = function () {
		self.scaleX -= 0.1;
		self.scaleY -= 0.1;
		self.y -= self.speed;
		self.x += self.vx;
		self.rotation += 0.1; // Add rotation effect
		if (self.scaleX <= MinScale && self.scaleY <= MinScale) {
			var index = bullets.indexOf(self);
			if (index > -1) {
				bullets.splice(index, 1);
			}
			game.removeChild(self);
			self.destroy();
		}
		for (var i = 0; i < enemies.length; i++) {
			var enemy = enemies[i];
			var threshold = 0.1;
			if (self.intersects(enemy) && self.scaleY >= enemy.scaleY - threshold && self.scaleY <= enemy.scaleY + threshold) {
				// Bullet hit the enemy
				// Remove the bullet
				var index = bullets.indexOf(self);
				if (index > -1) {
					bullets.splice(index, 1);
				}
				game.removeChild(self);
				self.destroy();
				// Destroy the enemy
				var enemyIndex = enemies.indexOf(enemy);
				if (enemyIndex > -1) {
					enemies.splice(enemyIndex, 1);
				}
				// Flash the enemy with a white tint before deletion
				tween(enemy, {
					tint: 0xFF0000
				}, {
					duration: 100,
					onFinish: function onFinish() {
						game.removeChild(enemy);
						enemy.destroy();
					}
				});
				break; // Stop the loop after one enemy is killed
			}
		}
		// Apply fade-in effect using tween
		tween(self, {
			alpha: 1
		}, {
			duration: 500,
			easing: tween.easeIn
		});
	};
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 1
	});
	self.speed = 0;
	self.scaleX = MinScale;
	self.scaleY = MinScale / 4;
	tween(self, {
		scaleX: MinScale,
		scaleY: MinScale
	}, {
		duration: 250,
		onFinish: function onFinish() {
			self.speed = 0;
			LK.setTimeout(function () {
				self.speed = 5;
			}, 500);
		}
	});
	// Assign a random starting rotation to each enemy
	self.startRotation = Math.random() < 0.5 ? -1 : 1;
	self.update = function () {
		if (self.speed < 1) {
			return;
		}
		// Rotate enemy 10 degrees to the left and right alternatively
		if (LK.ticks % 60 < 30) {
			self.rotation = self.startRotation * Math.PI / 36; // Rotate 10 degrees to the left or right based on startRotation
		} else {
			self.rotation = -self.startRotation * Math.PI / 36; // Rotate 10 degrees to the right or left based on startRotation
		}
		if (self.y + self.speed < 2732 - 600) {
			self.y += self.speed;
			self.scaleX += 0.01;
			self.scaleY += 0.01;
		} else {
			// Reset rotation to zero when reaching target
			self.rotation = 0;
			// Animate scale change
			tween(self, {
				scaleX: self.scaleX + 0.1,
				scaleY: self.scaleY + 0.1
			}, {
				duration: 2500,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					tween(self, {
						scaleX: self.scaleX - 0.1,
						scaleY: self.scaleY - 0.1
					}, {
						duration: 2500,
						easing: tween.easeInOut
					});
				}
			});
		}
		// Pause enemy movement every 0.5 seconds for a duration of 0.25 seconds
		if (LK.ticks % 30 == 0) {
			self.speed = 0;
			LK.setTimeout(function () {
				self.speed = 5;
			}, 250);
		}
	};
});
//<Assets used in the game will automatically appear here>
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// Make the player invisible
		self.alpha = 0;
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 //Init game with black background 
});

/**** 
* Game Code
****/ 
// Initialize bullets
var bullets = [];
//initialize the locations of hands.
var hand_initialy = 2732;
var lefthand_initialx = 2048 / 2 - 600;
var righthand_initialx = 2048 / 2 + 600;
// Handle player movement
game.move = function (x, y, obj) {
	player.x = (handsIdleLeft.x + handsIdleRight.x) / 2;
	player.y = (handsIdleLeft.y + handsIdleRight.y) / 2;
};
// Handle shooting and hand animation
game.down = function (x, y, obj) {
	// Animate left hand
	tween(handsIdleLeft, {
		scaleX: 1.5,
		scaleY: 1.5,
		y: hand_initialy + 100
	}, {
		duration: 125,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(handsIdleLeft, {
				scaleX: 1,
				scaleY: 1,
				y: hand_initialy - 100
			}, {
				duration: 125,
				easing: tween.easeInOut,
				onFinish: function onFinish() {
					// Create bullet after animation
					var bullet = new Bullet();
					bullet.x = player.x;
					bullet.y = player.y - 100;
					var dx = (x - player.x) / bullet.speed;
					bullet.vx = dx;
					bullets.push(bullet);
					game.addChild(bullet);
				}
			});
		}
	});
	// Animate right hand
	tween(handsIdleRight, {
		scaleX: -1.5,
		scaleY: 1.5,
		y: hand_initialy + 100
	}, {
		duration: 125,
		easing: tween.easeInOut,
		onFinish: function onFinish() {
			tween(handsIdleRight, {
				scaleX: -1,
				scaleY: 1,
				y: hand_initialy - 100
			}, {
				duration: 125,
				easing: tween.easeInOut
			});
		}
	});
};
game.addChild(player);
// Initialize bullets
var bullets = [];
// Handle player movement
game.move = function (x, y, obj) {
	player.x = x;
	player.y = y;
};
// Handle shooting
game.addChild(player);
// Draw hands_idle image 200 units to the left of the horizontal center
//<Assets used in the game will automatically appear here>
var handsIdleLeft = game.addChild(LK.getAsset('hands_idle', {
	anchorX: 0.5,
	anchorY: 1
}));
handsIdleLeft.x = lefthand_initialx;
handsIdleLeft.y = hand_initialy;
handsIdleLeft.rotation = Math.PI / 6; // Rotate 30 degrees
//handsIdleLeft.scale.x = -1;
// Draw hands_idle image 200 units to the right of the horizontal center
var handsIdleRight = game.addChild(LK.getAsset('hands_idle', {
	anchorX: 0.5,
	anchorY: 1
}));
handsIdleRight.x = righthand_initialx;
handsIdleRight.y = hand_initialy;
handsIdleRight.rotation = -Math.PI / 6; // Rotate -30 degrees
handsIdleRight.scale.x = -1;
// Initialize player
// Define MinScale and MaxScale
var MinScale = 1;
var MaxScale = 4;
var player = new Player();
player.x = 2048 / 2;
player.y = 2732 - 200;
// Initialize cyan rectangle
var cyanRectangle = game.addChild(LK.getAsset('cyanRectangle', {
	anchorX: 0,
	anchorY: 1
}));
cyanRectangle.x = 0;
cyanRectangle.y = 2732 / 2;
// Initialize another cyan rectangle
var cyanRectangle2 = game.addChild(LK.getAsset('cyanRectangle', {
	anchorX: 1,
	anchorY: 1
}));
cyanRectangle2.x = 2048;
cyanRectangle2.y = 2732 / 2;
// Initialize rectangle
var rectangle = game.addChild(LK.getAsset('rectangle', {
	anchorX: 0.5,
	anchorY: 1
}));
rectangle.x = 2048 / 2;
rectangle.y = 2732 / 2;
// Initialize grey rectangle
var greyRectangle = game.addChildAt(LK.getAsset('greyRectangle', {
	anchorX: 0.5,
	anchorY: 0
}), 0);
greyRectangle.x = 2048 / 2;
greyRectangle.y = 2732 / 2;
greyRectangle.height = 2732 / 2; // Adjust the height to cover the bottom half of the screen
// Define base_y variable
var base_y = greyRectangle.y - greyRectangle.height / 2;
// Initialize enemies
var enemies = [];
var currentWave = 0;
function spawnWave() {
	var predefinedPositions = [300, 700, 1100, 1500, 1900]; // Predefined x positions for enemies
	var usedPositions = []; // Track used positions
	for (var i = 0; i < currentWave % 2 + 1; i++) {
		var enemy = new Enemy();
		var positionIndex;
		// Ensure each enemy picks a unique slot
		do {
			positionIndex = Math.floor(Math.random() * predefinedPositions.length);
		} while (usedPositions.includes(positionIndex));
		usedPositions.push(positionIndex);
		enemy.x = predefinedPositions[positionIndex];
		enemy.y = 2732 / 2 - enemy.height / 2 + 50;
		enemy.scaleX = 0;
		enemy.scaleY = 0;
		enemies.push(enemy);
		// Tween enemy from random off screen point on X axis to spawn point
		var spawnX = enemy.x;
		enemy.x = Math.random() < 0.5 ? -100 : 2148; // Random off screen point on X axis
		tween(enemy, {
			x: spawnX
		}, {
			duration: 4000
		});
	}
	currentWave++;
}
spawnWave();
// Add enemies to game after the cyan and blue rectangles
for (var i = 0; i < enemies.length; i++) {
	game.addChild(enemies[i]);
}
// Initialize bullets
var bullets = [];
// Handle player movement
game.move = function (x, y, obj) {};
// Handle shooting
// Add player to game
game.addChild(player);
// Game update loop
game.update = function () {
	// Update enemies
	for (var j = 0; j < enemies.length; j++) {
		var enemy = enemies[j];
		enemy.update();
	}
	// Tween tint of hands over 20 frames
	var tweenDuration = 500;
	var hand_boby = 20;
	if (LK.ticks % 60 === 0) {
		tween(handsIdleLeft, {
			y: hand_initialy - hand_boby
		}, {
			duration: tweenDuration,
			easing: tween.easeOut
		});
		tween(handsIdleRight, {
			y: hand_initialy - hand_boby
		}, {
			duration: tweenDuration,
			easing: tween.easeOut
		});
	} else if (LK.ticks % 60 === 30) {
		tween(handsIdleLeft, {
			y: hand_initialy + hand_boby
		}, {
			duration: tweenDuration,
			easing: tween.easeOut
		});
		tween(handsIdleRight, {
			y: hand_initialy + hand_boby
		}, {
			duration: tweenDuration,
			easing: tween.easeOut
		});
	}
	// Check if all enemies are dead
	if (enemies.length === 0) {
		// Spawn a new wave if all enemies are dead
		spawnWave();
		// Add enemies to game after the cyan and blue rectangles
		for (var i = 0; i < enemies.length; i++) {
			game.addChild(enemies[i]);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -115,16 +115,16 @@
 			tween(self, {
 				scaleX: self.scaleX + 0.1,
 				scaleY: self.scaleY + 0.1
 			}, {
-				duration: 500,
+				duration: 2500,
 				easing: tween.easeInOut,
 				onFinish: function onFinish() {
 					tween(self, {
 						scaleX: self.scaleX - 0.1,
 						scaleY: self.scaleY - 0.1
 					}, {
-						duration: 500,
+						duration: 2500,
 						easing: tween.easeInOut
 					});
 				}
 			});