/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1", { kills: 0, bestKills: 0 }); /**** * Classes ****/ var Checkpoint = Container.expand(function () { var self = Container.call(this); var checkpointGraphics = self.attachAsset('checkpoint', { anchorX: 0.5, anchorY: 0.5 }); self.isCheckpoint = true; self.lastIntersecting = false; return self; }); var Hazard = Container.expand(function () { var self = Container.call(this); var hazardGraphics = self.attachAsset('hazard', { anchorX: 0.5, anchorY: 0.5 }); self.isDangerous = true; self.lastIntersecting = false; return self; }); var Platform = Container.expand(function () { var self = Container.call(this); var platformGraphics = self.attachAsset('platform', { anchorX: 0.5, anchorY: 0.5 }); self.isSolid = true; self.lastIntersecting = false; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x1a1a1a }); /**** * Game Code ****/ var player = game.addChild(new Container()); var playerGraphics = player.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); player.x = 100; player.y = 2600; player.velocityX = 0; player.velocityY = 0; player.isJumping = false; player.isGrounded = false; player.canWallRun = false; player.wallRunDirection = 0; // -1 left, 1 right player.moveLeft = false; player.moveRight = false; player.jumpPressed = false; var platforms = []; var hazards = []; var checkpoints = []; var currentCheckpoint = 0; var gameTime = 0; var levelStartTime = 0; var levelComplete = false; var statusText = new Text2('Reach the finish!', { size: 80, fill: '#ffffff' }); statusText.anchor.set(0.5, 0); LK.gui.top.addChild(statusText); var timerText = new Text2('0.00s', { size: 100, fill: '#ffff00' }); timerText.anchor.set(0.5, 0); LK.gui.top.addChild(timerText); function updateUI() { var elapsedTime = (gameTime - levelStartTime) / 1000; timerText.setText(elapsedTime.toFixed(2) + 's'); if (levelComplete) { statusText.setText('Level Complete!'); } } function createLevel() { // Starting platform var startPlatform = game.addChild(new Platform()); startPlatform.x = 200; startPlatform.y = 2650; platforms.push(startPlatform); // Platform sequence var platformSequence = [{ x: 500, y: 2450, w: 250, h: 40 }, { x: 800, y: 2200, w: 250, h: 40 }, { x: 1100, y: 2000, w: 250, h: 40 }, { x: 1400, y: 1750, w: 250, h: 40 }, { x: 1600, y: 1500, w: 200, h: 40 }, { x: 1300, y: 1300, w: 200, h: 40 }, { x: 900, y: 1100, w: 200, h: 40 }, { x: 600, y: 900, w: 250, h: 40 }, { x: 800, y: 650, w: 250, h: 40 }, { x: 1200, y: 400, w: 300, h: 40 }]; for (var i = 0; i < platformSequence.length; i++) { var p = platformSequence[i]; var platform = game.addChild(new Platform()); platform.x = p.x; platform.y = p.y; platform.width = p.w; platform.height = p.h; platforms.push(platform); } // Add hazards var hazardSequence = [{ x: 900, y: 1600 }, { x: 1500, y: 900 }, { x: 400, y: 500 }]; for (var h = 0; h < hazardSequence.length; h++) { var hazard = game.addChild(new Hazard()); hazard.x = hazardSequence[h].x; hazard.y = hazardSequence[h].y; hazards.push(hazard); } // Add checkpoints var checkpoint1 = game.addChild(new Checkpoint()); checkpoint1.x = 1100; checkpoint1.y = 2000; checkpoints.push(checkpoint1); var checkpoint2 = game.addChild(new Checkpoint()); checkpoint2.x = 600; checkpoint2.y = 900; checkpoints.push(checkpoint2); var finishCheckpoint = game.addChild(new Checkpoint()); finishCheckpoint.x = 1200; finishCheckpoint.y = 300; checkpoints.push(finishCheckpoint); } var GRAVITY = 0.5; var JUMP_FORCE = -12; var WALL_JUMP_FORCE = 8; var MOVE_SPEED = 5; var MAX_FALL_SPEED = 15; function applyGravity() { if (!player.isGrounded && !player.canWallRun) { player.velocityY += GRAVITY; if (player.velocityY > MAX_FALL_SPEED) { player.velocityY = MAX_FALL_SPEED; } } player.y += player.velocityY; } function checkCollisions() { player.isGrounded = false; player.canWallRun = false; // Check platform collisions for (var i = 0; i < platforms.length; i++) { var platform = platforms[i]; if (player.intersects(platform)) { // Landing on top of platform if (player.velocityY >= 0 && player.lastY + 30 <= platform.y) { player.y = platform.y - 30; player.velocityY = 0; player.isGrounded = true; } else if (player.velocityY < 0) { // Hit bottom of platform player.y = platform.y + 20; player.velocityY = 0; } } } // Check hazard collisions for (var h = 0; h < hazards.length; h++) { var hazard = hazards[h]; if (!hazard.lastIntersecting && player.intersects(hazard)) { LK.effects.flashObject(player, 0xff0000, 300); LK.getSound('hit').play(); // Reset to last checkpoint player.x = checkpoints[Math.max(0, currentCheckpoint - 1)].x; player.y = checkpoints[Math.max(0, currentCheckpoint - 1)].y + 100; player.velocityY = 0; } hazard.lastIntersecting = player.intersects(hazard); } // Check checkpoint collisions for (var c = 0; c < checkpoints.length; c++) { var checkpoint = checkpoints[c]; if (!checkpoint.lastIntersecting && player.intersects(checkpoint)) { currentCheckpoint = c; LK.getSound('checkpoint').play(); if (c === checkpoints.length - 1) { levelComplete = true; } } checkpoint.lastIntersecting = player.intersects(checkpoint); } } function handleJump() { if (player.jumpPressed) { if (player.isGrounded) { player.velocityY = JUMP_FORCE; player.isJumping = true; LK.getSound('jump').play(); } else if (player.canWallRun) { player.velocityY = JUMP_FORCE; player.velocityX = WALL_JUMP_FORCE * -player.wallRunDirection; LK.getSound('jump').play(); } player.jumpPressed = false; } } function endGame() { var finalTime = (gameTime - levelStartTime) / 1000; storage.bestTime = storage.bestTime || finalTime; if (finalTime < storage.bestTime) { storage.bestTime = finalTime; } LK.showGameOver(); } game.down = function (x, y, obj) { var centerX = 2048 / 2; if (x < centerX) { player.moveLeft = true; } else { player.moveRight = true; } player.jumpPressed = true; }; game.up = function (x, y, obj) { player.moveLeft = false; player.moveRight = false; }; game.move = function (x, y, obj) { var centerX = 2048 / 2; if (x < centerX) { player.moveLeft = true; player.moveRight = false; } else { player.moveRight = true; player.moveLeft = false; } }; game.update = function () { if (levelStartTime === 0) { levelStartTime = gameTime; } gameTime += 16.67; // Player horizontal movement if (player.moveLeft) { player.x = Math.max(0, player.x - MOVE_SPEED); } if (player.moveRight) { player.x = Math.min(2048, player.x + MOVE_SPEED); } // Apply gravity and check collisions player.lastY = player.y; applyGravity(); checkCollisions(); // Handle jump input handleJump(); // Fall off screen if (player.y > 2732) { LK.effects.flashObject(player, 0xff0000, 300); LK.getSound('hit').play(); player.x = 100; player.y = 2600; player.velocityY = 0; currentCheckpoint = 0; levelStartTime = 0; } // Update UI if (LK.ticks % 10 === 0) { updateUI(); } // End game condition if (levelComplete) { endGame(); } }; createLevel(); LK.playMusic('bgmusic', { loop: true });