/**** * Plugins ****/ var storage = LK.import("@upit/storage.v1"); var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Ball = Container.expand(function () { var self = Container.call(this); var ballGraphics = self.attachAsset('ball', { anchorX: 0.5, anchorY: 0.5 }); self.velocityX = 0; self.velocityY = 0; self.gravity = 0.8; self.bounceReduction = 0.75; self.lastY = 0; self.update = function () { self.lastY = self.y; // Apply gravity self.velocityY += self.gravity; // Update position self.x += self.velocityX; self.y += self.velocityY; // Bounce off sides if (self.x <= 40 || self.x >= 2008) { self.velocityX *= -0.7; self.x = self.x <= 40 ? 40 : 2008; } }; self.bounceOffBoot = function (bootY, bootSpeed) { var baseForce = Math.abs(self.velocityY) * 0.8 + 8; var speedBonus = bootSpeed * 0.3; var impactForce = baseForce + speedBonus; self.velocityY = -impactForce; self.velocityX += (Math.random() - 0.5) * 4 + bootSpeed * 0.1; self.y = bootY - 100; // Clamp horizontal velocity with higher limits for speed var maxVel = 12 + speedBonus * 0.2; self.velocityX = Math.max(-maxVel, Math.min(maxVel, self.velocityX)); }; return self; }); var Boot = Container.expand(function () { var self = Container.call(this); var bootGraphics = self.attachAsset('boot', { anchorX: 0.5, anchorY: 0.5 }); self.lastX = 0; self.lastY = 0; self.speed = 0; self.angleFromBall = 0; self.lastAngleFromBall = 0; self.angleSum = 0; self.lastBounceTime = 0; self.update = function () { // Calculate speed var deltaX = self.x - self.lastX; var deltaY = self.y - self.lastY; self.speed = Math.sqrt(deltaX * deltaX + deltaY * deltaY); self.lastX = self.x; self.lastY = self.y; }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x87ceeb }); /**** * Game Code ****/ var ball = game.addChild(new Ball()); var boot = game.addChild(new Boot()); // Game state variables var bounceCount = 0; var atwCount = 0; var bestScore = storage.bestScore || 0; var gameStarted = false; var dragNode = null; var maxHeight = 0; var ballStartY = 400; // Achievement tracking var achievementsThisGame = { eyesUp: false, orbitOfEarth: false, hopscotchBunny: false }; var achievementTexts = []; // Initialize positions ball.x = 1024; ball.y = 400; ball.velocityY = 2; boot.x = 1024; boot.y = 2200; // UI Elements var bounceText = new Text2('Bounces: 0', { size: 80, fill: 0xFFFFFF }); bounceText.anchor.set(0.5, 0); LK.gui.top.addChild(bounceText); var atwText = new Text2('ATW: 0', { size: 60, fill: 0x00FF00 }); atwText.anchor.set(0, 0); atwText.y = 100; LK.gui.topLeft.addChild(atwText); var instructionText = new Text2('Drag boot to keep ball up!', { size: 60, fill: 0xFFFFFF }); instructionText.anchor.set(0.5, 0.5); LK.gui.center.addChild(instructionText); var bestText = new Text2('Best: ' + bestScore, { size: 50, fill: 0xFFFF88 }); bestText.anchor.set(1, 0); LK.gui.topRight.addChild(bestText); var heightText = new Text2('Height: 0m', { size: 60, fill: 0xFFFFFF }); heightText.anchor.set(1, 0); heightText.x = -10; heightText.y = 100; LK.gui.topRight.addChild(heightText); // Achievement texts var eyesUpText = new Text2('Eyes Up!', { size: 45, fill: 0xFFD700 }); eyesUpText.anchor.set(1, 0); eyesUpText.x = -10; eyesUpText.y = 170; eyesUpText.alpha = 0; LK.gui.topRight.addChild(eyesUpText); achievementTexts.push(eyesUpText); var orbitText = new Text2('Orbit of Earth!', { size: 45, fill: 0x00FFFF }); orbitText.anchor.set(1, 0); orbitText.x = -10; orbitText.y = 220; orbitText.alpha = 0; LK.gui.topRight.addChild(orbitText); achievementTexts.push(orbitText); var bunnyText = new Text2('Hopscotch Bunny!', { size: 45, fill: 0xFF69B4 }); bunnyText.anchor.set(1, 0); bunnyText.x = -10; bunnyText.y = 270; bunnyText.alpha = 0; LK.gui.topRight.addChild(bunnyText); achievementTexts.push(bunnyText); // Achievement counter var achievementCountText = new Text2('Achievements: 0/3', { size: 50, fill: 0xFFFFFF }); achievementCountText.anchor.set(0.5, 1); achievementCountText.y = -20; LK.gui.bottom.addChild(achievementCountText); // Arrow indicator for ball position above screen var arrowIndicator = new Text2('▼', { size: 80, fill: 0xFF4444 }); arrowIndicator.anchor.set(0.5, 0); arrowIndicator.alpha = 0; LK.gui.top.addChild(arrowIndicator); // Achievement functions function updateAchievementCounter() { var count = 0; if (achievementsThisGame.eyesUp) count++; if (achievementsThisGame.orbitOfEarth) count++; if (achievementsThisGame.hopscotchBunny) count++; achievementCountText.setText('Achievements: ' + count + '/3'); } function checkAndShowAchievement(type, text) { if (!achievementsThisGame[type]) { achievementsThisGame[type] = true; text.alpha = 1; updateAchievementCounter(); LK.effects.flashScreen(0xFFD700, 300); } } // Game interaction game.down = function (x, y, obj) { if (!gameStarted) { gameStarted = true; instructionText.alpha = 0; maxHeight = 0; heightText.setText('Height: 0m'); // Reset bounce count to 0 for new game bounceCount = 0; bounceText.setText('Bounces: 0'); // Reset achievements for new game achievementsThisGame.eyesUp = false; achievementsThisGame.orbitOfEarth = false; achievementsThisGame.hopscotchBunny = false; for (var i = 0; i < achievementTexts.length; i++) { achievementTexts[i].alpha = 0; } updateAchievementCounter(); } dragNode = boot; boot.x = x; boot.y = y; }; game.move = function (x, y, obj) { if (dragNode && gameStarted) { boot.x = x; boot.y = y; } }; game.up = function (x, y, obj) { dragNode = null; }; // Main game loop game.update = function () { if (!gameStarted) { return; } // Calculate angle from boot to ball for ATW detection var deltaX = ball.x - boot.x; var deltaY = ball.y - boot.y; var currentAngle = Math.atan2(deltaY, deltaX); // Normalize angle difference var angleDiff = currentAngle - boot.lastAngleFromBall; if (angleDiff > Math.PI) angleDiff -= 2 * Math.PI; if (angleDiff < -Math.PI) angleDiff += 2 * Math.PI; // Track cumulative angle change boot.angleSum += angleDiff; boot.lastAngleFromBall = currentAngle; // Check collision between ball and boot if (ball.intersects(boot)) { if (ball.velocityY > 0) { // Only bounce if ball is falling var currentTime = LK.ticks; // Check for ATW (3/4 rotation around ball between bounces) if (Math.abs(boot.angleSum) >= 1.5 * Math.PI && currentTime - boot.lastBounceTime > 30) { atwCount++; bounceCount += 5; // ATW gives 5 bounces atwText.setText('ATW: ' + atwCount); // Visual feedback for ATW tween(boot, { scaleX: 1.5, scaleY: 1.5 }, { duration: 200, easing: tween.easeOut, onFinish: function onFinish() { tween(boot, { scaleX: 1, scaleY: 1 }, { duration: 200, easing: tween.easeIn }); } }); LK.effects.flashScreen(0x00FF00, 500); } else { bounceCount++; } ball.bounceOffBoot(boot.y, boot.speed); bounceText.setText('Bounces: ' + bounceCount); LK.getSound('bounce').play(); // Update score LK.setScore(bounceCount); // Reset ATW tracking boot.angleSum = 0; boot.lastBounceTime = currentTime; } } // Track current height (convert screen coordinates to meters) // Screen height is 2732px = 100 meters, so 1 meter = 27.32px // Height 0 = ground (bottom), Height 100 = top of screen var currentHeightInMeters = Math.max(0, (2732 - ball.y) / 27.32); heightText.setText('Height: ' + Math.round(currentHeightInMeters) + 'm'); if (currentHeightInMeters > maxHeight) { maxHeight = currentHeightInMeters; } // Check for "Eyes Up" achievement (300+ meters) if (currentHeightInMeters > 300) { checkAndShowAchievement('eyesUp', eyesUpText); } // Check for "Orbit of Earth" achievement (5+ ATW) if (atwCount >= 5) { checkAndShowAchievement('orbitOfEarth', orbitText); } // Check for "Hopscotch Bunny" achievement (10+ bounces) if (bounceCount >= 10) { checkAndShowAchievement('hopscotchBunny', bunnyText); } // Handle arrow indicator when ball is above screen (y < 0) if (ball.y < 0) { // Show arrow and position it based on ball's X coordinate arrowIndicator.alpha = 1; // Convert ball's game X coordinate to GUI coordinate system // Use proper coordinate conversion from game to GUI var ballGlobalPos = game.toGlobal({ x: ball.x, y: ball.y }); var guiLocalPos = LK.gui.top.toLocal(ballGlobalPos); arrowIndicator.x = guiLocalPos.x; // Scale arrow size based on how high above screen (grows as ball goes higher) var heightAboveScreen = Math.abs(ball.y); var scaleProgress = Math.min(heightAboveScreen / 500, 1); // Scale over 500px above screen var arrowScale = 1 + scaleProgress * 0.8; arrowIndicator.scale.set(arrowScale, arrowScale); // Change color as ball goes higher var redIntensity = Math.floor(255 * scaleProgress); var greenBlue = Math.floor(68 * (1 - scaleProgress)); arrowIndicator.tint = redIntensity << 16 | greenBlue << 8 | greenBlue; } else { arrowIndicator.alpha = 0; } // Check if ball hits bottom (game over) if (ball.y > 2732) { // Update best score if (bounceCount > bestScore) { bestScore = bounceCount; storage.bestScore = bestScore; bestText.setText('Best: ' + bestScore); } LK.showGameOver(); } };