/**** * Classes ****/ // Airplane class var Airplane = Container.expand(function () { var self = Container.call(this); var airplaneGraphics = self.attachAsset('airplane', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -7.5; self.update = function () { self.x += self.speed; if (self.x < -airplaneGraphics.width / 2) { self.x = 2048 + airplaneGraphics.width / 2; } }; }); // Gift class var Gift = Container.expand(function () { var self = Container.call(this); var giftGraphics = self.attachAsset('gift', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.update = function () { self.y += self.speed; }; }); // Roof class var Roof = Container.expand(function () { var self = Container.call(this); var sizeFactor = Math.random() * 0.4 + 0.8; // Random factor between 0.8 and 1.2 var roofGraphics = self.attachAsset('roof', { anchorX: 0.5, anchorY: 0.5, scaleX: sizeFactor, scaleY: sizeFactor }); self.speed = -5; self.update = function () { self.x += self.speed; if (self.x < -roofGraphics.width / 2) { self.x = 2048 + roofGraphics.width / 2; } }; }); // // // Santa's Sleigh class var SantaSleigh = Container.expand(function () { var self = Container.call(this); var sleighGraphics = self.attachAsset('santaSleigh', { anchorX: 0.5, anchorY: 0.5 }); self.velocity = 0; self.gravity = 0.5; self.lift = -10; self.update = function () { self.velocity += self.gravity; self.y += self.velocity; if (self.y > 2732 - sleighGraphics.height / 2) { self.y = 2732 - sleighGraphics.height / 2; self.velocity = 0; } if (self.y < sleighGraphics.height / 2) { self.y = sleighGraphics.height / 2; self.velocity = 0; } }; self.flap = function () { self.velocity = self.lift; }; self.dropGift = function () { var gift = new Gift(); gift.x = self.x; gift.y = self.y; game.addChild(gift); }; self.leaveRoof = function () { LK.setScore(LK.getScore() + 1); scoreTxt.setText(LK.getScore()); }; }); // Create a new Text2 object to display the counter at the center top of the map // Snowflake class var Snowflake = Container.expand(function () { var self = Container.call(this); var snowflakeGraphics = self.attachAsset('snowflake', { anchorX: 0.5, anchorY: 0.5 }); self.speed = Math.random() * 2 + 1; // Random speed between 1 and 3 self.update = function () { self.y += self.speed; if (self.y > 2732 + snowflakeGraphics.height / 2) { self.y = -snowflakeGraphics.height / 2; self.x = Math.random() * 2048; // Random x-coordinate } }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 // Black background }); /**** * Game Code ****/ // Add a gift asset above the counter var giftIcon = LK.getAsset('gift', { anchorX: 0.5, anchorY: 0.5 }); // Create a new Text2 object to display the counter at the center bottom of the map var scoreTxt = new Text2('0', { size: giftIcon.width, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 1); LK.gui.bottom.addChild(scoreTxt); giftIcon.x = scoreTxt.x; giftIcon.y = scoreTxt.y - scoreTxt.height - giftIcon.height / 2 - 10; // 10 is the space between the gift icon and the score text LK.gui.bottom.addChild(giftIcon); var wallpaper = game.attachAsset('wallpaper', { anchorX: 0.0, anchorY: 0.0 }); // Initialize game elements var santaSleigh = game.addChild(new SantaSleigh()); santaSleigh.x = 400; santaSleigh.y = 1366; // Center vertically // Initialize a counter variable var counter = 0; var roofs = []; var airplanes = []; // Delay loading roofs for 2 seconds LK.setTimeout(function () { // Create two roofs with half the original distance var roof1 = new Roof(); roof1.x = 2048; roof1.y = 2732 - 100; // Bottom of the screen roofs.push(roof1); game.addChild(roof1); var roof2 = new Roof(); roof2.x = 2048 / 2; roof2.y = 2732 - 100; // Bottom of the screen roofs.push(roof2); game.addChild(roof2); }, 2000); // Initialize snowflakes var snowflakes = []; for (var i = 0; i < 100; i++) { // Create 100 snowflakes var snowflake = new Snowflake(); snowflake.x = Math.random() * 2048; // Random x-coordinate snowflake.y = Math.random() * 2732; // Random y-coordinate snowflakes.push(snowflake); game.addChild(snowflake); } // Create airplane var airplane = new Airplane(); airplane.x = 2048; airplane.y = Math.random() * (1366 - 200) + 200; // Randomize y-coordinate in the upper half of the screen airplanes.push(airplane); game.addChild(airplane); // Handle game events game.down = function (x, y, obj) { santaSleigh.flap(); }; // Update game state var gifts = []; game.update = function () { santaSleigh.update(); for (var i = 0; i < roofs.length; i++) { roofs[i].update(); if (santaSleigh.intersects(roofs[i])) { santaSleigh.dropGift(); LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); } else { if (LK.ticks % 8 == 0) { santaSleigh.leaveRoof(); } } } for (var j = 0; j < airplanes.length; j++) { airplanes[j].update(); if (santaSleigh.intersects(airplanes[j])) { LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); } } // Play Sleighbell sound every 5 seconds if (LK.ticks % 300 == 0) { LK.getSound('Sleighbell').play(); } // Play Hohoho sound every 7 seconds if (LK.ticks % 420 == 0) { LK.getSound('Hohoho').play(); } // Display the counter variable in the score text scoreTxt.setText(counter); for (var k = 0; k < snowflakes.length; k++) { snowflakes[k].update(); } for (var l = 0; l < gifts.length; l++) { gifts[l].update(); if (gifts[l].y > 2732) { gifts[l].destroy(); gifts.splice(l, 1); } } // Increment the counter variable every eighth tick if (LK.ticks % 8 == 0) { counter++; } };