Upit | Learn about creating the game Santa's Gift Dash with gen AI

var Santa = Container.expand(function () {
	var self = Container.call(this);
	var santaGraphics = self.createAsset('santa', 'Santa character', .5, .5);
	self.move = function (pos) {
		self.x += (pos.x - self.x) * 0.1;
		self.y += (pos.y - self.y) * 0.1;
	};
	self.throwPresent = function () {
		var present = new Present();
		present.x = this.x;
		present.y = this.y;
		this.parent.addChild(present);
		this.parent.presents.push(present);
	};
});
var Present = Container.expand(function () {
	var self = Container.call(this);
	var presentGraphics = self.createAsset('present', 'Present', .5, .5);
	self.move = function () {
		this.y += 5;
		if (this.y > 2732) {
			this.destroy();
		}
	};
});
var Chimney = Container.expand(function () {
	var self = Container.call(this);
	var chimneyGraphics = self.createAsset('chimney', 'Chimney', .5, .5);
	self.speed = 2;
	self.move = function () {
		self.x -= self.speed;
		if (self.x < -self.width) {
			self.destroy();
		}
	};
	self.checkCollision = function () {};
});
var Hazard = Container.expand(function () {
	var self = Container.call(this);
	var hazardGraphics = self.createAsset('hazard', 'Hazard', .5, .5);
	self.move = function () {
		if (self.x < 2048 - self.width) {
			self.x += 2;
		} else {
			self.x = -self.width;
		}
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var santa = self.addChild(new Santa());
	santa.x = 2048 / 2;
	santa.y = 0;
	self.presents = [];
	var chimneys = [];
	var hazards = [];
	var scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	var maxChimneys = 5;
	LK.on('tick', function () {
		if (chimneys.length < maxChimneys) {
			var lastChimney = chimneys[chimneys.length - 1];
			if (!lastChimney || lastChimney.x < 2048 - lastChimney.width - 300) {
				var newChimney = new Chimney();
				newChimney.x = 2048;
				newChimney.y = 2732 - newChimney.height - Math.random() * 500;
				chimneys.push(newChimney);
				self.addChild(newChimney);
			}
		}
		chimneys.forEach(function (chimney) {
			chimney.move();
		});
		chimneys = chimneys.filter(function (chimney) {
			return chimney.x + chimney.width > 0;
		});
	});
	scoreTxt.anchor.set(.5, 0);
	LK.gui.topCenter.addChild(scoreTxt);
	LK.on('tick', function () {
		for (var i = 0; i < self.presents.length; i++) {
			self.presents[i].move();
		}
		for (var i = 0; i < chimneys.length; i++) {
			chimneys[i].checkCollision();
		}
		for (var i = 0; i < hazards.length; i++) {
			hazards[i].move();
		}
	});
	stage.on('move', function (obj) {
		var pos = obj.event.getLocalPosition(self);
		santa.move(pos);
	});
	stage.on('up', function (obj) {
		santa.throwPresent();
		LK.setScore(LK.getScore() + 1);
		scoreTxt.setText(LK.getScore().toString());
	});
});
Creation History

Images
