/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ // Apple (collectible) var Apple = Container.expand(function () { var self = Container.call(this); var appleSprite = self.attachAsset('apple', { anchorX: 0.5, anchorY: 1 }); self.lane = 1; self.collected = false; self.update = function () { // Movement handled by game }; return self; }); // Fence (obstacle) var Fence = Container.expand(function () { var self = Container.call(this); var fenceSprite = self.attachAsset('fence', { anchorX: 0.5, anchorY: 1 }); self.lane = 1; self.hit = false; self.update = function () {}; return self; }); // Horse (player) class var Horse = Container.expand(function () { var self = Container.call(this); var horseSprite = self.attachAsset('horse', { anchorX: 0.5, anchorY: 1 }); self.lane = 1; // 0: left, 1: center, 2: right self.isJumping = false; self.jumpY = 0; // Offset for jump animation self.jumpTween = null; self.groundY = 0; // Set after adding to game self.jumpHeight = 320; // How high the horse jumps self.jumpDuration = 420; // ms // Start jump if not already jumping self.jump = function () { if (self.isJumping) return; self.isJumping = true; if (self.jumpTween) tween.stop(self, { jumpY: true }); tween(self, { jumpY: -self.jumpHeight }, { duration: self.jumpDuration, easing: tween.cubicOut, onFinish: function onFinish() { tween(self, { jumpY: 0 }, { duration: self.jumpDuration, easing: tween.cubicIn, onFinish: function onFinish() { self.isJumping = false; } }); } }); }; // Move to lane (0,1,2) self.moveToLane = function (lane) { if (lane < 0) lane = 0; if (lane > 2) lane = 2; self.lane = lane; // Animate x to new lane var targetX = laneX(lane); tween(self, { x: targetX }, { duration: 120, easing: tween.cubicOut }); }; // Update position for jump self.update = function () { self.y = self.groundY + self.jumpY; }; return self; }); // Puddle (obstacle) var Puddle = Container.expand(function () { var self = Container.call(this); var puddleSprite = self.attachAsset('puddle', { anchorX: 0.5, anchorY: 1 }); self.lane = 1; self.hit = false; self.update = function () {}; return self; }); // Rock (obstacle) var Rock = Container.expand(function () { var self = Container.call(this); var rockSprite = self.attachAsset('rock', { anchorX: 0.5, anchorY: 1 }); self.lane = 1; self.hit = false; self.update = function () {}; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0xA7D36C // Soft green field }); /**** * Game Code ****/ // Lane marker (for visual lanes) - 8x2732, light gray box // Puddle (obstacle) - 140x60, blue ellipse // Fence (obstacle) - 160x40, tan box // Rock (obstacle) - 120x80, gray ellipse // Apple (collectible) - 100x100, red ellipse // Horse (player) - 220x180, brown box // Lane logic var laneCount = 3; var laneWidth = 480; // (2048 - 2*104) / 3 = ~613, but use 480 for margin var laneMargin = 104; // left/right margin function laneX(lane) { return laneMargin + lane * laneWidth + laneWidth / 2; } // Ground Y (where horse stands) var groundY = 2200; // Game speed (pixels per tick) var baseSpeed = 16; var speed = baseSpeed; var speedIncrease = 0.0007; // per tick var maxSpeed = 38; // Arrays for obstacles and apples var obstacles = []; var apples = []; // Score var score = 0; // Distance (for speed up) var distance = 0; // GUI var scoreTxt = new Text2('0', { size: 120, fill: "#fff" }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); // Lane markers (visual only) for (var i = 1; i < laneCount; i++) { var marker = LK.getAsset('laneMarker', { anchorX: 0.5, anchorY: 0, x: laneMargin + i * laneWidth, y: 0, scaleY: 1 }); game.addChild(marker); } // Create horse var horse = new Horse(); horse.x = laneX(1); horse.y = groundY; horse.groundY = groundY; game.addChild(horse); // Touch/drag controls var dragStartX = null; var dragStartY = null; var dragStartLane = null; var dragStartTime = null; var dragActive = false; function getLaneFromX(x) { for (var i = 0; i < laneCount; i++) { var lx = laneX(i); if (x < lx + laneWidth / 2) return i; } return laneCount - 1; } // Touch down: record start game.down = function (x, y, obj) { dragStartX = x; dragStartY = y; dragStartLane = horse.lane; dragStartTime = LK.ticks; dragActive = true; }; // Touch move: if horizontal drag, change lane game.move = function (x, y, obj) { if (!dragActive) return; var dx = x - dragStartX; var dy = y - dragStartY; if (Math.abs(dx) > 80 && Math.abs(dx) > Math.abs(dy)) { // Lane change if (dx > 0 && horse.lane < laneCount - 1) { horse.moveToLane(horse.lane + 1); dragStartX = x; dragStartLane = horse.lane; } else if (dx < 0 && horse.lane > 0) { horse.moveToLane(horse.lane - 1); dragStartX = x; dragStartLane = horse.lane; } } }; // Touch up: if short tap or upward swipe, jump game.up = function (x, y, obj) { if (!dragActive) return; var dt = LK.ticks - dragStartTime; var dx = x - dragStartX; var dy = y - dragStartY; if (dt < 30 && Math.abs(dx) < 60 && Math.abs(dy) < 60) { // Tap: jump horse.jump(); } else if (dy < -100 && Math.abs(dy) > Math.abs(dx)) { // Upward swipe: jump horse.jump(); } dragActive = false; }; // Obstacle/Apple spawn logic var lastObstacleY = 0; var lastAppleY = 0; var minObstacleGap = 520; var minAppleGap = 340; var obstacleTypes = ['rock', 'fence', 'puddle']; // Helper: spawn obstacle at y, lane function spawnObstacle(type, lane, y) { var obs; if (type === 'rock') obs = new Rock();else if (type === 'fence') obs = new Fence();else obs = new Puddle(); obs.lane = lane; obs.x = laneX(lane); obs.y = y; game.addChild(obs); obstacles.push(obs); } // Helper: spawn apple at y, lane function spawnApple(lane, y) { var apple = new Apple(); apple.lane = lane; apple.x = laneX(lane); apple.y = y; game.addChild(apple); apples.push(apple); } // Main game update game.update = function () { // Speed up over time if (speed < maxSpeed) speed += speedIncrease; distance += speed; // Move obstacles/apples down for (var i = obstacles.length - 1; i >= 0; i--) { var obs = obstacles[i]; obs.y += speed; // Remove if off screen if (obs.y > 2800) { obs.destroy(); obstacles.splice(i, 1); continue; } // Collision: only if in same lane and not already hit if (!obs.hit && obs.lane === horse.lane) { // Fence: must be jumped over if (obs instanceof Fence) { if (Math.abs(obs.y - horse.y) < 120 && horse.jumpY > -40) { // Not high enough: hit obs.hit = true; LK.effects.flashScreen(0xff0000, 800); LK.showGameOver(); return; } } else { // Rock/Puddle: must be jumped or avoided if (Math.abs(obs.y - horse.y) < 100 && horse.jumpY > -40) { obs.hit = true; LK.effects.flashScreen(0xff0000, 800); LK.showGameOver(); return; } } } } for (var i = apples.length - 1; i >= 0; i--) { var apple = apples[i]; apple.y += speed; // Remove if off screen if (apple.y > 2800) { apple.destroy(); apples.splice(i, 1); continue; } // Collect: same lane, close, not already collected, and not jumping over if (!apple.collected && apple.lane === horse.lane && Math.abs(apple.y - horse.y) < 120 && horse.jumpY > -120) { apple.collected = true; LK.setScore(LK.getScore() + 1); scoreTxt.setText(LK.getScore()); // Animate apple tween(apple, { y: apple.y - 120, alpha: 0 }, { duration: 320, easing: tween.cubicIn, onFinish: function onFinish() { apple.destroy(); } }); apples.splice(i, 1); } } // Spawn obstacles if (distance - lastObstacleY > minObstacleGap + Math.random() * 320) { var type = obstacleTypes[Math.floor(Math.random() * obstacleTypes.length)]; var lane = Math.floor(Math.random() * laneCount); spawnObstacle(type, lane, -180); lastObstacleY = distance; } // Spawn apples if (distance - lastAppleY > minAppleGap + Math.random() * 220) { var lane = Math.floor(Math.random() * laneCount); spawnApple(lane, -120); lastAppleY = distance; } }; // Reset score on game start LK.setScore(0); scoreTxt.setText('0');