/**** * Classes ****/ var Background = Container.expand(function () { var self = Container.call(this); var backgroundGraphics = self.attachAsset('background', { anchorX: 0.5, anchorY: 0.5, x: 2048 / 2, y: 2732 / 2 }); backgroundGraphics.alpha = 0.5; var zoomDirection = 1; self.update = function () { if (this.scale.x >= 1.0025) { zoomDirection = -1; } else if (this.scale.x <= 0.9975) { zoomDirection = 1; } this.scale.x += 0.000025 * zoomDirection; this.scale.y += 0.000025 * zoomDirection; }; }); var Coin = Container.expand(function () { var self = Container.call(this); var coinGraphics = self.attachAsset('coin', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.x -= 30; if (self.x < -self.width) { self.destroy(); } // Check for intersection with ninja if (self.intersects(ninja)) { coinCounter++; coinTxt.setText('Coins: ' + coinCounter); // Update the coin display text LK.getSound('coinCollect').play(); self.destroy(); } }; }); var Dash = Container.expand(function () { var self = Container.call(this); var dashGraphics = self.attachAsset('dash', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.opacity = 0.4; self.update = function () { self.x -= self.speed; self.alpha -= 0.01; if (self.alpha <= 0) { self.destroy(); } }; }); var DisplayLife = Container.expand(function () { var self = Container.call(this); var lifeGraphics = self.attachAsset('life', { anchorX: 0.5, anchorY: 0.5 }); }); var Enemy = Container.expand(function () { var self = Container.call(this); var enemyGraphics = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 5; self.update = function () { self.x -= self.speed; self.x += Math.sin(LK.ticks / 10) * 2.5; if (self.x < -self.width) { self.destroy(); } }; }); var Life = Container.expand(function () { var self = Container.call(this); var lifeGraphics = self.attachAsset('life', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.x -= 30; game.setChildIndex(self, game.getChildIndex(ninja) - 1); // Ensure life is on the same Z order as coin if (self.x < -self.width) { self.destroy(); } // Check for intersection with ninja if (self.intersects(ninja)) { ninja.lives++; // Add one life to ninja updateDisplayLives(); // Update the display lives self.destroy(); // Destroy the spawned life } }; }); var Ninja = Container.expand(function () { var self = Container.call(this); var ninjaGraphics = self.attachAsset('ninja_run1', { anchorX: 0.5, anchorY: 0.5 }); self.runFrames = ['ninja_run1', 'ninja_run2', 'ninja_run3', 'ninja_run4', 'ninja_run5']; self.currentFrame = 0; self.frameInterval = 3; // Change frame every 3 ticks self.ticks = 0; self.speed = 5; self.update = function () { self.ticks++; if (self.ticks % self.frameInterval === 0) { self.currentFrame = (self.currentFrame + 1) % self.runFrames.length; self.removeChild(ninjaGraphics); ninjaGraphics = self.attachAsset(self.runFrames[self.currentFrame], { anchorX: 0.5, anchorY: 0.5 }); if (self.currentFrame === 1) { var randomFootstep = Math.floor(Math.random() * 3) + 1; LK.getSound('footstepSound' + randomFootstep).play(); } } if (self.currentPath === 'lower' && self.y >= path2.y - self.height && !self.dashActive) { var dash = new Dash(); dash.x = self.x - self.width / 2; dash.y = self.y; game.addChildAt(dash, game.getChildIndex(ninja)); self.dashActive = true; LK.setTimeout(function () { dash.destroy(); self.dashActive = false; }, 100); } else if (self.currentPath === 'upper' && self.y <= path1.y - self.height && !self.dashActive) { var dash = new Dash(); dash.x = self.x - self.width / 2; dash.y = self.y; game.addChildAt(dash, game.getChildIndex(ninja)); self.dashActive = true; LK.setTimeout(function () { dash.destroy(); self.dashActive = false; }, 50); } if (self.currentPath === 'upper' && self.y > path1.y - self.height - 50) { self.y -= 10; if (self.y <= path1.y - self.height - 50) { self.y = path1.y - self.height - 50; } } else if (self.currentPath === 'lower' && self.y < path2.y - self.height + 50) { self.y += 10; if (self.y >= path2.y - self.height + 50) { self.y = path2.y - self.height + 50; } } scoreTxt.setText('Coins: ' + coinCounter); // Update the score display game.setChildIndex(self, game.children.length - 1); // Ensure ninja is always on top for (var i = coins.length - 1; i >= 0; i--) { if (self.intersects(coins[i])) { coinCounter++; scoreMultiplier = 2; LK.setTimeout(function () { scoreMultiplier = 1; }, 5000); coins[i].destroy(); coins.splice(i, 1); i--; coinTxt.setText('Coins: ' + coinCounter); // Update the coin display text } } for (var i = 0; i < game.children.length; i++) { if (game.children[i] instanceof Obstacle && self.intersects(game.children[i])) { if (self.invincible) { // Destroy the obstacle and show destruction effect LK.effects.flashObject(game.children[i], 0xff0000, 500); // Flash red before destroying game.children[i].destroy(); if (shieldBubble) { LK.getSound('destructorAttackSound').play(); // Play destruction sound effect only if shield bubble is active } continue; // Skip the rest of the loop for this obstacle } // Play ninja grunt sound effect if not invincible if (!self.invincible) { LK.getSound('ninjaGrunt').play(); } // Reduce the lives by one self.lives--; // Update the display updateDisplayLives(); // Flash screen red for 1 second, three times, to show life reduction. for (var i = 0; i < 3; i++) { LK.setTimeout(function () { LK.effects.flashScreen(0x8b0000, 1000, 0.01); }, i * 1000); } // If no lives left, game over if (self.lives === 0) { // Flash screen red for 1 second, three times, to show we are dead. for (var i = 0; i < 3; i++) { LK.setTimeout(function () { LK.effects.flashScreen(0x8b0000, 1000, 0.3); }, i * 1000); } // Show game over. The game will be automatically paused while game over is showing. LK.showGameOver(); // Calling this will destroy the 'Game' and reset entire game state. } // Make ninja invincible for 3 seconds if not already invincible if (!self.invincible) { self.invincible = true; ninjaGraphics.alpha = 1; var opacityDirection = -1; var _opacityChange = function opacityChange() { ninjaGraphics.alpha += 0.18 * opacityDirection; if (ninjaGraphics.alpha <= 0.1) { opacityDirection = 1; } else if (ninjaGraphics.alpha >= 1) { opacityDirection = -1; } if (self.invincible) { LK.setTimeout(_opacityChange, 60); } else { ninjaGraphics.alpha = 1; } }; LK.setTimeout(_opacityChange, 60); LK.setTimeout(function () { self.invincible = false; ninjaGraphics.alpha = 1; // Reset opacity to 1 when invincibility ends }, 3000); if (self.shieldTimeout) { LK.clearTimeout(self.shieldTimeout); self.shieldTimeout = null; } } } } }; self.down = function () { if (self.currentPath === 'lower') { targetPath = 'upper'; self.y -= 20; self.x += 10; } else { targetPath = 'lower'; self.y += 20; self.x -= 10; } game.setChildIndex(self, game.children.length - 1); // Ensure ninja is always on top LK.getSound('jumpSound').play(); LK.getSound('jumpSound').play(); }; self.up = function () { targetPath = null; }; }); var NinjaStar = Container.expand(function () { var self = Container.call(this); var starGraphics = self.attachAsset('ninjaStar', { anchorX: 0.5, anchorY: 0.5 }); self.speed = -5; self.update = function () { self.y += self.speed; }; }); var Obstacle = Container.expand(function () { var self = Container.call(this); var obstacleGraphics = self.attachAsset('obstacle', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 30; self.update = function () { self.x -= self.speed; if (self.x < -self.width) { self.destroy(); } }; }); var Path = Container.expand(function () { var self = Container.call(this); var pathGraphics = self.attachAsset('path', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 30; self.update = function () { self.x -= self.speed; if (self.x < -self.width) { self.destroy(); } }; }); var Shield = Container.expand(function () { var self = Container.call(this); var shieldGraphics = self.attachAsset('shield', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.x -= 30; game.setChildIndex(self, game.getChildIndex(ninja) - 1); // Ensure shield is on the same Z order as coin if (self.x < -self.width) { self.destroy(); } // Check for intersection with ninja if (self.intersects(ninja)) { // Activate shield effect ninja.invincible = true; shieldBubble = new ShieldBubble(); shieldBubble.x = ninja.x; shieldBubble.y = ninja.y; game.addChild(shieldBubble); LK.getSound('shieldCollectSound').play(); // Play shield collection sound ninja.shieldTimeout = LK.setTimeout(function () { ninja.invincible = false; game.removeChild(shieldBubble); shieldBubble = null; ninja.shieldTimeout = null; }, 10000); // Shield lasts for 10 seconds self.destroy(); } }; }); var ShieldBubble = Container.expand(function () { var self = Container.call(this); var shieldBubbleGraphics = self.attachAsset('shieldEffect', { anchorX: 0.5, anchorY: 0.5 }); self.update = function () { self.x = ninja.x; self.y = ninja.y; }; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x000000 }); /**** * Game Code ****/ var shieldIcon = null; var shieldBubble = null; var shieldBubble = null; var shieldInterval = null; var shieldTimeout = null; var coinCounter = 0; // Initialize coin counter var backgroundMusic = LK.getSound('backgroundMusic'); backgroundMusic.volume = 1; function playBackgroundMusic() { backgroundMusic.play(); LK.setTimeout(playBackgroundMusic, 1991); } playBackgroundMusic(); // Play background music every 10000 ms // Display a test text at the bottom center of the screen LK.effects.linear = function (obj, duration) { var step = 1 / (duration * 60); // Assuming 60 FPS var progress = 0; var interval = LK.setInterval(function () { progress += step; obj.alpha = progress; if (progress >= 1) { obj.alpha = 1; LK.clearInterval(interval); } }, 1000 / 60); }; var testTxt = new Text2('Test Text', { resolution: 2, size: 100, fill: "#ffffff", font: "lexend" }); testTxt.anchor.set(0.5, 1); testTxt.x = 2048 / 2; testTxt.y = 2732 - 50; // Position 50 pixels from the bottom LK.gui.bottom.addChild(testTxt); function _createForOfIteratorHelper(r, e) { var t = "undefined" != typeof Symbol && r[Symbol.iterator] || r["@@iterator"]; if (!t) { if (Array.isArray(r) || (t = _unsupportedIterableToArray(r)) || e && r && "number" == typeof r.length) { t && (r = t); var _n = 0, F = function F() {}; return { s: F, n: function n() { return _n >= r.length ? { done: !0 } : { done: !1, value: r[_n++] }; }, e: function e(r) { throw r; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var o, a = !0, u = !1; return { s: function s() { t = t.call(r); }, n: function n() { var r = t.next(); return a = r.done, r; }, e: function e(r) { u = !0, o = r; }, f: function f() { try { a || null == t["return"] || t["return"](); } finally { if (u) { throw o; } } } }; } function _unsupportedIterableToArray(r, a) { if (r) { if ("string" == typeof r) { return _arrayLikeToArray(r, a); } var t = {}.toString.call(r).slice(8, -1); return "Object" === t && r.constructor && (t = r.constructor.name), "Map" === t || "Set" === t ? Array.from(r) : "Arguments" === t || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(t) ? _arrayLikeToArray(r, a) : void 0; } } function _arrayLikeToArray(r, a) { (null == a || a > r.length) && (a = r.length); for (var e = 0, n = Array(a); e < a; e++) { n[e] = r[e]; } return n; } // Game Variables var coins = []; var lives = []; var shields = []; var popupShown = false; // Track if the popup is already shown var scoreMultiplier = 1; var invincible = false; var lastSpawnedPath = 1; // Track the last path an obstacle was spawned on var background = game.addChild(new Background()); var path1 = game.addChild(new Path()); path1.y = 2732 / 3; var path2 = game.addChild(new Path()); path2.y = 2732 * 2 / 3; var ninja = game.addChild(new Ninja()); ninja.invincible = false; ninja.x = 1024; ninja.y = path2.y - ninja.height; ninja.currentPath = 'lower'; ninja.lives = 3; ninja.distanceTraveled = 0; // Initialize distance traveled to 0 var targetPath; // Display the lives a little bit more up in y axis from the upper path function updateDisplayLives() { for (var i = game.children.length - 1; i >= 0; i--) { if (game.children[i] instanceof DisplayLife) { game.children[i].destroy(); } } for (var i = 0; i < ninja.lives; i++) { var life = game.addChild(new DisplayLife()); life.x = 100 + i * 100; // Move the lives little bit right on x axis life.y = path1.y - 150; // Move lives a little bit more up game.setChildIndex(life, game.getChildIndex(ninja) - 1); } } updateDisplayLives(); // Display the score based on the distance traveled var scoreTxt = new Text2('0m', { resolution: 2, size: 100, fill: "#ffffff", font: "lexend" }); scoreTxt.anchor.set(0.5, 0); scoreTxt.y = path1.y - 450; // Move the score display a little bit more up, above the upper path LK.gui.top.addChild(scoreTxt); // Display the coin count on the same y location as the score, but on the right coinTxt = new Text2('Coins: 0', { resolution: 2, size: 100, fill: "#ffffff", font: "lexend" }); coinTxt.anchor.set(1, 0); coinTxt.x = 2048 - 20; coinTxt.y = path1.y - 450; // Align the coin text with the score text LK.gui.top.addChild(coinTxt); game.down = function (x, y, obj) { if (ninja.currentPath === 'lower' && ninja.y >= path2.y - ninja.height || ninja.currentPath === 'upper' && ninja.y <= path1.y - ninja.height) { if (ninja.currentPath === 'lower') { targetPath = 'upper'; ninja.y -= 500; // Increase the jump speed ninja.scale.y *= -1; // Flip vertically // No code to insert, we are removing the timeout that destroys the dash } else { targetPath = 'lower'; ninja.y += 500; // Increase the jump speed ninja.scale.y *= -1; // Flip vertically // No code to insert, we are removing the timeout that destroys the dash } ninja.currentPath = targetPath; } LK.getSound('jumpSound').play(); // Play sound effect on screen click }; game.update = function () { var lastPath = 0; if (LK.ticks % 50 == 0) { // Determine collectible type based on probabilities var collectibleType; var randomValue = Math.random() * 100; if (randomValue < 60) { collectibleType = 'coin'; } else if (randomValue < 95) { collectibleType = null; // 35% chance to not spawn anything } else if (randomValue < 99) { collectibleType = 'shield'; } else { collectibleType = 'life'; } // Spawn collectible on the opposite path of the last obstacle var collectiblePath = lastSpawnedPath === 1 ? 0 : 1; if (collectibleType === null) { // Do nothing } else if (collectibleType === 'coin') { var clusterSizes = [3, 5, 7]; var clusterSize = clusterSizes[Math.floor(Math.random() * clusterSizes.length)]; for (var i = 0; i < clusterSize; i++) { var newCoin = new Coin(); newCoin.x = 2048 + i * (newCoin.width + 60); // Increase spacing between coins newCoin.y = collectiblePath === 1 ? 2732 / 3 + 80 : 2732 * 2 / 3 - 80; game.addChild(newCoin); } } else if (collectibleType === 'shield') { var newShield = new Shield(); newShield.x = 2048; newShield.y = collectiblePath === 1 ? 2732 / 3 + 80 : 2732 * 2 / 3 - 80; game.addChild(newShield); } else if (collectibleType === 'life') { var newLife = new Life(); newLife.x = 2048; newLife.y = collectiblePath === 1 ? 2732 / 3 + 80 : 2732 * 2 / 3 - 80; game.addChild(newLife); } var randomPath = Math.random() > 0.5 ? 1 : 2; var spawnDistance = randomPath === lastPath ? 512 : 4096; var obstacleGroupSize = Math.floor(Math.random() * 3) + 1; for (var i = 0; i < obstacleGroupSize; i++) { var newObstacle = new Obstacle(); newObstacle.x = spawnDistance + i * newObstacle.width; if (randomPath === 1) { newObstacle.y = 2732 / 3 + 80; newObstacle.rotation = Math.PI; // Rotate 180 degrees lastSpawnedPath = 1; } else { newObstacle.y = 2732 * 2 / 3 - 80; newObstacle.rotation = 0; // No rotation lastSpawnedPath = 0; } game.addChildAt(newObstacle, game.children.length); } lastPath = randomPath; } if (LK.ticks % 20 == 0) { var newPath1 = new Path(); newPath1.x = 2048 + 100; // Increase the x-coordinate by 100 to create a gap newPath1.y = 2732 / 3; game.addChild(newPath1); var newPath2 = new Path(); newPath2.x = 2048 + 100; // Increase the x-coordinate by 100 to create a gap newPath2.y = 2732 * 2 / 3; game.addChild(newPath2); ninja.distanceTraveled += 100; // Increase distance traveled by 100 meters for each new path } };

Ninja Rush by GemXD

Images

Sounds