/**** * Classes ****/ // Class for Birds var Bird = Container.expand(function () { var self = Container.call(this); var birdGraphics = self.attachAsset('bird', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.update = function () { self.x -= self.speed; }; }); // Class for Clouds var Cloud = Container.expand(function () { var self = Container.call(this); var cloudGraphics = self.attachAsset('Cloud', { anchorX: 0.5, anchorY: 0.5 }); cloudGraphics.alpha = 0.5; // Set transparency self.lifetime = 60; // Lifetime in frames (1 second at 60 FPS) self.update = function () { self.lifetime--; if (self.lifetime <= 0) { self.destroy(); } }; }); // // // Class for the Excavator var Excavator = Container.expand(function () { var self = Container.call(this); var excavatorGraphics = self.attachAsset('excavator', { anchorX: 0.5, anchorY: 0.5 }); self.jumpHeight = 500; self.isJumping = false; self.jumpSpeed = 20; self.originalY = 0; self.jumpCount = 0; // Initialize jump counter self.jump = function () { if (!self.isJumping && self.y >= self.originalY) { // Check if the excavator is not jumping and is on the ground self.isJumping = true; var cloud = new Cloud(); cloud.x = self.x; cloud.y = self.y; game.addChild(cloud); self.originalY = self.y; self.jumpCount++; // Increment jump counter } }; self.update = function () { if (self.isJumping) { self.y -= self.jumpSpeed; if (self.y <= self.originalY - self.jumpHeight * 3) { self.isJumping = false; // Reset jumping state when the excavator lands } } else if (self.y < self.originalY) { self.y += self.jumpSpeed; } }; }); // Class for Grass var Grass = Container.expand(function () { var self = Container.call(this); var grassGraphics = self.attachAsset('soil', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.update = function () { self.x -= self.speed; if (self.x < -100) { self.destroy(); } }; }); // Class for Land var Land = Container.expand(function () { var self = Container.call(this); var landGraphics = self.attachAsset('Land', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { // Land remains static, no update logic needed }; }); // Class for Trees var Tree = Container.expand(function () { var self = Container.call(this); var treeGraphics = self.attachAsset('tree', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.isRed = false; self.update = function () { self.x -= self.speed; }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87CEEB //Init game with sky blue background }); /**** * Game Code ****/ var lands = []; for (var i = 0; i < 7; i++) { // Reduce the number of land objects per row to about 7 var land = new Land(); land.x = i * 300; // Adjust position to space out the land pieces land.y = 2150; // Adjust the land object to be slightly lower lands.push(land); game.addChild(land); var additionalLand = new Land(); additionalLand.x = i * 300; // Adjust position to space out the additional land pieces additionalLand.y = 2250; // Position additional land objects further down lands.push(additionalLand); game.addChild(additionalLand); var moreLand = new Land(); moreLand.x = i * 300; // Adjust position to space out the more land pieces moreLand.y = 2350; // Position more land objects even further down lands.push(moreLand); game.addChild(moreLand); var extraLand = new Land(); extraLand.x = i * 300; // Adjust position to space out the extra land pieces extraLand.y = 2450; // Position extra land objects even further down lands.push(extraLand); game.addChild(extraLand); } var excavator = game.addChild(new Excavator()); excavator.x = 200; excavator.y = 2000; var trees = []; var score = 0; var scoreTxt = new Text2('0', { size: 150, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); game.down = function (x, y, obj) { excavator.jump(); }; game.update = function () { excavator.update(); // Add grass as the ground if (LK.ticks % 30 == 0) { var newGrass = new Grass(); newGrass.x = 2048; // Start from the right edge newGrass.y = 2100; // Position grass as the ground game.addChild(newGrass); game.setChildIndex(newGrass, game.children.length - 1); // Ensure grass is rendered above other elements for (var _i = 0, _lands = lands; _i < _lands.length; _i++) { var land = _lands[_i]; game.setChildIndex(land, game.children.length - 3); // Ensure land is rendered below grass } } for (var i = game.children.length - 1; i >= 0; i--) { var child = game.children[i]; if (child instanceof Cloud) { child.update(); } } if (LK.ticks % 60 == 0) { var newTree = new Tree(); newTree.x = 2048; newTree.y = 2000; if (Math.random() < 0.2 && !(trees.length > 0 && trees[trees.length - 1].isRed)) { newTree.isRed = true; newTree.attachAsset('redTree', { anchorX: 0.5, anchorY: 0.5 }); } trees.push(newTree); game.addChild(newTree); // Add birds only if there are no red trees below and with a 50% probability if (!newTree.isRed && Math.random() < 0.5) { var newBird = new Bird(); newBird.x = 2048; newBird.y = 1000; trees.push(newBird); game.addChild(newBird); } } for (var i = trees.length - 1; i >= 0; i--) { var tree = trees[i]; tree.update(); if (tree.x < -100) { tree.destroy(); trees.splice(i, 1); continue; } if (excavator.intersects(tree)) { if (tree instanceof Bird) { LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); return; } else if (tree.isRed && !excavator.isJumping) { LK.effects.flashScreen(0xff0000, 1000); LK.showGameOver(); return; } else if (!tree.isRed) { score++; scoreTxt.setText("Score: " + score + ", Trees destroyed: " + (score - 1)); tree.destroy(); trees.splice(i, 1); if (score >= 50) { LK.showYouWin(); } } } else if (tree.isRed) { for (var j = trees.length - 1; j >= 0; j--) { var normalTree = trees[j]; if (!normalTree.isRed && tree.intersects(normalTree)) { normalTree.destroy(); trees.splice(j, 1); } } } } };