Upit | Learn about creating the game Aliens love cows with gen AI

/**** 
* Classes
****/ 
// AlarmDevice class
var AlarmDevice = Container.expand(function () {
	var self = Container.call(this);
	var alarmGraphics = self.attachAsset('alarmdevice', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Red flashing effect will be triggered in the game update loop after 3 seconds of beam use
	};
});
// But stop if the beam's top edge is at or above the UFO's bottom edge
// Beam class
var Beam = Container.expand(function () {
	var self = Container.call(this);
	var beamGraphics = self.attachAsset('beam', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	beamGraphics.rotation = -Math.PI / 2;
	self.update = function () {
		// But stop if the beam's top edge is at or above the UFO's bottom edge
		if (self.y - self.height / 2 > ufo.y + ufo.height / 2) {
			self.y -= 5;
		}
	};
});
// Cow class
var Cow = Container.expand(function () {
	var self = Container.call(this);
	var cowGraphics = self.attachAsset('cow', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.isAbducted = false; // Add a new property to check if the cow is being abducted
	self.update = function () {
		if (!self.isAbducted) {
			// If the cow is not being abducted, it can move freely
			if (this.x < guards[0].x) {
				this.x = guards[0].x;
			}
			if (this.x > guards[1].x) {
				this.x = guards[1].x;
			}
		} else {
			// If the cow is being abducted, it should move towards the UFO
			var dx = ufo.x - this.x;
			var dy = ufo.y - this.y;
			var distance = Math.sqrt(dx * dx + dy * dy);
			if (distance > 5 && this.y - this.height / 2 > ufo.y + ufo.height / 2) {
				LK.getSound('cowmooing').play(); // Play cow mooing sound when the cow is being abducted
				// If the cow is not yet at the UFO and the cow's top edge is below the UFO's bottom edge, it should continue moving towards it
				this.x += dx / distance * 5;
				this.y += dy / distance * 5;
			} else {
				// If the cow has reached the UFO or its top edge is at or above the UFO's bottom edge, it should disappear
				this.destroy();
				cows.splice(cows.indexOf(this), 1);
			}
		}
	};
});
// Ground class
var Ground = Container.expand(function () {
	var self = Container.call(this);
	var groundGraphics = self.attachAsset('ground', {
		anchorX: 0.5,
		anchorY: 1.0
	});
});
// Moon class
var Moon = Container.expand(function () {
	var self = Container.call(this);
	var moonGraphics = self.attachAsset('moon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Moon shining animation logic
		// this.alpha = 0.5 + Math.sin(LK.ticks / 30) / 2; // Create a shining effect by changing the alpha value
	};
});
// SecurityGuard class
var SecurityGuard = Container.expand(function () {
	var self = Container.call(this);
	var guardGraphics = self.attachAsset('guard', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.visible) {
			if (!self.lastShotTime || Date.now() - self.lastShotTime > 1000) {
				// Add a cooldown of 1 second between shots
				self.lastShotTime = Date.now();
				// Create a red laser beam shooting towards the UFO
				var laser = new Container();
				var laserGraphics = laser.attachAsset('redlaser', {
					anchorX: 0.5,
					anchorY: 0.0
				});
				laser.x = self.x;
				laser.y = self.y;
				laser.rotation = Math.atan2(ufo.y - self.y, ufo.x - self.x);
				game.addChildAt(laser, game.getChildIndex(self));
				// Move the laser towards the UFO
				laser.update = function () {
					laser.x += Math.cos(laser.rotation) * 10;
					laser.y += Math.sin(laser.rotation) * 10;
					// Ensure the laser beams maintain ten times the distance between them
					if (game.ticks % 10 === 0) {
						laser.x += Math.cos(laser.rotation) * 10;
						laser.y += Math.sin(laser.rotation) * 10;
					}
					// Destroy the laser if it goes off screen
					if (laser.x < 0 || laser.x > 2048 || laser.y < 0 || laser.y > 2732) {
						laser.destroy();
					}
					if (laser.intersects(ufo)) {
						// Reduce UFO health by 10%
						ufoHealthBar.scaleX -= 0.1;
						if (ufoHealthBar.scaleX <= 0) {
							// If health is depleted, replace the UFO with an explosion asset
							if (!ufo.exploded) {
								var explosion = LK.getAsset('explosion', {
									anchorX: 0.5,
									anchorY: 0.5
								});
								explosion.x = ufo.x;
								explosion.y = ufo.y;
								game.addChild(explosion);
								ufo.exploded = true;
								LK.setTimeout(function () {
									explosion.destroy();
									ufo.destroy();
									guards.forEach(function (guard) {
										guard.visible = false; // Stop guards from firing
									});
									LK.showGameOver(); // Trigger game over
								}, 1000); // Display explosion for 1 second
							}
						}
						laser.destroy(); // Destroy the laser after hitting the UFO
					}
				};
			}
		}
	};
});
// StarrySky class
var StarrySky = Container.expand(function () {
	var self = Container.call(this);
	var starrySkyGraphics = self.attachAsset('starrySky', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Starry sky animation logic
		this.alpha = 0.5 + Math.sin(LK.ticks / 120) / 2; // Create a shining effect by changing the alpha value
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// UFO class
var UFO = Container.expand(function () {
	var self = Container.call(this);
	var ufoGraphics = self.attachAsset('ufo', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.beam = null; // Add a beam property to the UFO
	self.update = function () {
		// UFO movement logic will be handled in the game move event
		if (self.beam) {
			// If the beam exists, make it flash by changing its alpha value
			self.beam.alpha = 0.5 + Math.sin(LK.ticks / 10) / 2;
			// If the beam's top is inside the UFO, make it disappear
			if (self.beam.y <= self.y + self.height / 2) {
				self.beam.destroy();
				self.beam = null;
			}
		}
	};
});
// Wormhole class
var Wormhole = Container.expand(function () {
	var self = Container.call(this);
	var wormholeGraphics = self.attachAsset('wormhole', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		// Rotate the wormhole continuously
		self.rotation += 0.05; // Adjust the rotation speed as needed
	};
});

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

/**** 
* Game Code
****/ 
// Initialize variables 
var ufoHealthBar = new Container();
var healthBarGraphics = ufoHealthBar.attachAsset('beam', {
	anchorX: 0.5,
	anchorY: 0.5,
	width: 200,
	height: 20,
	color: 0x00ff00 // Green color
});
ufoHealthBar.x = 1024; // Center horizontally
ufoHealthBar.y = 20; // Position at the top of the screen
ufoHealthBar.visible = false; // Initially hidden
game.addChild(ufoHealthBar);
var starrySky = game.addChild(new StarrySky());
starrySky.x = 1024; // Center horizontally
starrySky.y = 1366; // Center vertically
// Initialize variables
var ground = game.addChild(new Ground());
var moon = game.addChild(new Moon());
moon.x = 2048 - moon.width / 2 - 200; // Position moon at the upper right corner and move it left by 200 units
moon.y = moon.height / 2 + 200; // Move the moon down by 200 units
var wormhole = game.addChild(new Wormhole());
var alarmdevice = game.addChild(new AlarmDevice());
alarmdevice.x = 565; // Set x position of alarmdevice
alarmdevice.y = 850; // Set y position of alarmdevice
wormhole.x = moon.x; // Center wormhole on the moon
wormhole.y = moon.y; // Align vertically with the moon
wormhole.visible = false; // Initially hide the wormhole
ground.x = 1024; // Center horizontally
ground.y = 2732; // Bottom of the screen
var ufo = game.addChild(new UFO());
ufo.x = 1024; // Center horizontally
ufo.y = 500; // Upper half of the screen
var cows = [];
var guards = [];
var sucking = false;
var suckStartTime = 0;
var beam = null; // Define the beam variable
var laserStartTime = null; // Track when the laser beam starts
var laserActive = false; // Track if the laser is currently active
// Create cows
for (var i = 0; i < 10; i++) {
	var cow = new Cow();
	do {
		cow.x = Math.random() * 2048;
		cow.y = 2000 + Math.random() * 500; // Lower half of the screen
	} while (cows.some(function (existingCow) {
		return Math.abs(existingCow.x - cow.x) < 50 && Math.abs(existingCow.y - cow.y) < 50;
	}));
	cows.push(cow);
	game.addChild(cow);
}
// Create security guards but do not add them to the game yet
for (var i = 0; i < 2; i++) {
	var guard = new SecurityGuard();
	guard.x = i * 2048 + (i == 0 ? 200 : -200); // Position guards at each side of the screen but 200 units closer to the center
	guard.y = 2600; // Bottom of the screen
	guards.push(guard);
}
// Handle UFO movement
game.move = function (x, y, obj) {
	ufo.x = x;
	ufo.y = Math.min(y, 1366); // Restrict to upper half
};
// Handle mouse down event
game.down = function (x, y, obj) {
	suckStartTime = Date.now(); // Track the time when the player starts pressing down
	// Check if the player clicked on a cow
	for (var i = 0; i < cows.length; i++) {
		if (Math.abs(cows[i].x - x) < 50 && Math.abs(cows[i].y - y) < 50) {
			cows[i].isAbducted = true; // Set the isAbducted property of the clicked cow to true
			beam = new Beam();
			beam.x = cows[i].x;
			beam.y = cows[i].y;
			beam.height = Math.abs(cows[i].y - ufo.y); // Adjust the beam's height to match the distance between the UFO and the cow
			game.addChildAt(beam, game.getChildIndex(cows[0])); // Add the beam behind the cows in the display list
			break;
		}
	}
};
// Handle mouse up event
game.up = function (x, y, obj) {
	if (beam) {
		beam.destroy();
		beam = null;
		for (var i = 0; i < cows.length; i++) {
			// Set the isAbducted property of all cows to false
			cows[i].isAbducted = false;
		}
		suckStartTime = 0; // Reset the suckStartTime when the player releases the click
	}
};
// Game update loop
game.update = function () {
	if (beam && !laserActive) {
		laserStartTime = Date.now();
		laserActive = true;
	} else if (!beam && laserActive) {
		laserStartTime = null;
		laserActive = false;
	}
	if (laserActive && Date.now() - laserStartTime >= 3000) {
		// Add red flashing animation to the alarmdevice
		alarmdevice.update = function () {
			alarmdevice.children[0].tint = 0xff0000 * (0.5 + Math.sin(LK.ticks / 10) / 2);
		};
		LK.getSound('alarm').play(); // Play alarm sound after 3 seconds of continuous laser use
		ufoHealthBar.visible = true; // Show the health bar
		LK.getSound('alarm').play();
		laserStartTime = null; // Reset to prevent repeated alarms
		laserActive = false;
		// Add guards to the game after the alarm sound has played
		guards.forEach(function (guard) {
			game.addChild(guard);
		});
	}
	if (sucking) {
		var currentTime = Date.now();
		if (currentTime - suckStartTime > 2000) {
			// Move guards horizontally towards the UFO
			guards.forEach(function (guard) {
				if (guard.x < ufo.x) {
					guard.x += 2; // Move right
				} else if (guard.x > ufo.x) {
					guard.x -= 2; // Move left
				}
				// Shoot thin red lines towards the UFO
				var line = new Container();
				var lineGraphics = line.attachAsset('redlaser', {
					anchorX: 0.5,
					anchorY: 0.5
				});
				line.x = guard.x;
				line.y = guard.y;
				line.rotation = Math.atan2(ufo.y - guard.y, ufo.x - guard.x);
				game.addChild(line);
				line.update = function () {
					line.x += Math.cos(line.rotation) * 10;
					line.y += Math.sin(line.rotation) * 10;
					if (line.x < 0 || line.x > 2048 || line.y < 0 || line.y > 2732) {
						line.destroy();
					}
					if (line.intersects(ufo)) {
						line.destroy();
					}
				};
			});
		}
		if (currentTime - suckStartTime > 5000) {
			// Move guards horizontally towards the UFO
			guards.forEach(function (guard) {
				if (guard.x < ufo.x) {
					guard.x += 2; // Move right
				} else if (guard.x > ufo.x) {
					guard.x -= 2; // Move left
				}
				// Shoot thin red lines towards the UFO
				var line = new Container();
				var lineGraphics = line.attachAsset('beam', {
					anchorX: 0.5,
					anchorY: 0.5,
					color: 0xff0000,
					// Red color
					width: 2,
					// Thin line
					height: Math.abs(guard.y - ufo.y)
				});
				line.x = guard.x;
				line.y = guard.y;
				game.addChild(line);
			});
		}
		var currentTime = Date.now();
		if (currentTime - suckStartTime > 6000) {
			// Game over logic
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			if (beam) {
				beam.destroy();
				beam = null;
			}
		} else {
			// Suck cows
			for (var i = cows.length - 1; i >= 0; i--) {
				if (Math.abs(cows[i].x - ufo.x) < 50 && Math.abs(cows[i].y - ufo.y) < 50) {
					cows[i].destroy();
					cows.splice(i, 1);
				}
			}
		}
	}
	// Check if all cows are collected
	if (cows.length === 0) {
		wormhole.visible = true; // Display the wormhole
	}
	// Check if UFO intersects with the wormhole
	if (ufo.intersects(wormhole)) {
		// Reduce UFO size continuously by 0.05
		ufo.scaleX = Math.max(0, ufo.scaleX - 0.05);
		ufo.scaleY = Math.max(0, ufo.scaleY - 0.05);
	}
};
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