/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ // Enemy class (moves left/right) var Enemy = Container.expand(function () { var self = Container.call(this); var en = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 3 + Math.random() * 2; self.direction = Math.random() < 0.5 ? 1 : -1; self.range = 300 + Math.random() * 200; self.originX = 0; self.update = function () { self.x += self.speed * self.direction; if (Math.abs(self.x - self.originX) > self.range) { self.direction *= -1; } }; return self; }); // Football class (follows player or can be dropped) var Football = Container.expand(function () { var self = Container.call(this); var fb = self.attachAsset('football', { anchorX: 0.5, anchorY: 0.5 }); self.carried = true; self.vx = 0; self.vy = 0; self.update = function () { if (!self.carried) { // Gravity self.vy += 2.5; self.x += self.vx; self.y += self.vy; // Collide with platforms for (var i = 0; i < platforms.length; ++i) { var p = platforms[i]; if (self.intersects(p) && self.vy > 0) { self.y = p.y - p.height / 2 - self.height / 2; self.vy = 0; } } // Clamp to ground if (self.y > 2732 - 40) { self.y = 2732 - 40; self.vy = 0; } } }; return self; }); // Goal class var Goal = Container.expand(function () { var self = Container.call(this); var g = self.attachAsset('goal', { anchorX: 0.5, anchorY: 1 }); return self; }); // Hazard class var Hazard = Container.expand(function () { var self = Container.call(this); var hz = self.attachAsset('hazard', { anchorX: 0.5, anchorY: 0.5 }); return self; }); // Platform class var Platform = Container.expand(function () { var self = Container.call(this); var plat = self.attachAsset('platform', { anchorX: 0.5, anchorY: 0.5 }); return self; }); // Player class var Player = Container.expand(function () { var self = Container.call(this); var pl = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); self.vx = 0; self.vy = 0; self.onGround = false; self.carrying = true; self.update = function () { // Apply gravity self.vy += 3.5; // Move self.x += self.vx; self.y += self.vy; // Clamp to world bounds if (self.x < self.width / 2) self.x = self.width / 2; if (self.x > 2048 - self.width / 2) self.x = 2048 - self.width / 2; if (self.y > 2732 - 40) { self.y = 2732 - 40; self.vy = 0; self.onGround = true; } // Collide with platforms self.onGround = false; for (var i = 0; i < platforms.length; ++i) { var p = platforms[i]; if (self.intersects(p) && self.vy > 0) { self.y = p.y - p.height / 2 - self.height / 2; self.vy = 0; self.onGround = true; } } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x222244 }); /**** * Game Code ****/ // Football (ellipse), Player (box), Enemy (box), Platform (box), Goal (box), Hazard (box) // Level data (platforms, hazards, enemies) var level = 1; if (storage.level) level = storage.level; var platforms = []; var hazards = []; var enemies = []; var player = null; var football = null; var goal = null; var dragging = false; var dragStartX = 0; var dragStartY = 0; var moveDir = 0; // -1 left, 1 right, 0 none var jumpQueued = false; var infoText = null; var levelText = null; var carryingBall = true; var canPickupBall = false; var lastGoalIntersect = false; var lastEnemyIntersect = false; var lastHazardIntersect = false; var lastFootballIntersect = false; var lastFootballGoalIntersect = false; var lastFootballHazardIntersect = false; var lastFootballEnemyIntersect = false; // GUI: Level display levelText = new Text2('Level ' + level, { size: 90, fill: '#fff' }); levelText.anchor.set(0.5, 0); LK.gui.top.addChild(levelText); // GUI: Info text infoText = new Text2('', { size: 70, fill: '#fff' }); infoText.anchor.set(0.5, 0); LK.gui.bottom.addChild(infoText); // Helper: Reset level function setupLevel() { // Clear old for (var i = 0; i < platforms.length; ++i) platforms[i].destroy(); for (var i = 0; i < hazards.length; ++i) hazards[i].destroy(); for (var i = 0; i < enemies.length; ++i) enemies[i].destroy(); if (player) player.destroy(); if (football) football.destroy(); if (goal) goal.destroy(); platforms = []; hazards = []; enemies = []; player = null; football = null; goal = null; carryingBall = true; canPickupBall = false; lastGoalIntersect = false; lastEnemyIntersect = false; lastHazardIntersect = false; lastFootballIntersect = false; lastFootballGoalIntersect = false; lastFootballHazardIntersect = false; lastFootballEnemyIntersect = false; // Level layout // Start platform var plat = new Platform(); plat.x = 200; plat.y = 2500; game.addChild(plat); platforms.push(plat); // Middle platforms var platCount = 4 + level; for (var i = 0; i < platCount; ++i) { var p = new Platform(); p.x = 400 + i * 350 + Math.random() * 80; p.y = 2500 - i * 350 + Math.random() * 60; game.addChild(p); platforms.push(p); // Hazards if (level > 1 && Math.random() < 0.4) { var hz = new Hazard(); hz.x = p.x + (Math.random() < 0.5 ? -1 : 1) * 100; hz.y = p.y - 40; game.addChild(hz); hazards.push(hz); } // Enemies if (level > 1 && Math.random() < 0.5) { var en = new Enemy(); en.x = p.x; en.y = p.y - 100; en.originX = en.x; game.addChild(en); enemies.push(en); } } // Goal goal = new Goal(); goal.x = platforms[platforms.length - 1].x + 300; goal.y = platforms[platforms.length - 1].y - 60; game.addChild(goal); // Player player = new Player(); player.x = plat.x; player.y = plat.y - 120; game.addChild(player); // Football football = new Football(); football.x = player.x; football.y = player.y - 100; football.carried = true; game.addChild(football); // GUI levelText.setText('Level ' + level); infoText.setText('Drag to move, tap to jump'); } // Touch controls game.down = function (x, y, obj) { // If tap below half screen, jump if (y > 2732 / 2) { jumpQueued = true; return; } // Else, drag to move dragging = true; dragStartX = x; dragStartY = y; moveDir = 0; }; game.move = function (x, y, obj) { if (dragging) { var dx = x - dragStartX; if (Math.abs(dx) > 30) { moveDir = dx > 0 ? 1 : -1; } else { moveDir = 0; } } }; game.up = function (x, y, obj) { dragging = false; moveDir = 0; }; // Main update loop game.update = function () { // Player movement if (moveDir !== 0) { player.vx = 14 * moveDir; } else { player.vx *= 0.7; if (Math.abs(player.vx) < 1) player.vx = 0; } // Jump if (jumpQueued && player.onGround) { player.vy = -55 - 4 * level; jumpQueued = false; } jumpQueued = false; // Update player, football, enemies player.update(); football.update(); for (var i = 0; i < enemies.length; ++i) enemies[i].update(); // Carry football if (football.carried) { football.x = player.x; football.y = player.y - player.height / 2 - football.height / 2 + 20; football.vx = 0; football.vy = 0; } // Football pickup var footballNear = player.intersects(football); if (!football.carried && footballNear && !carryingBall) { carryingBall = true; football.carried = true; infoText.setText('Ball picked up!'); tween(infoText, { alpha: 0 }, { duration: 1200, onFinish: function onFinish() { infoText.setText(''); infoText.alpha = 1; } }); } // Football drop on enemy/hazard var hitEnemy = false; for (var i = 0; i < enemies.length; ++i) { if (player.intersects(enemies[i]) && football.carried) hitEnemy = true; } var hitHazard = false; for (var i = 0; i < hazards.length; ++i) { if (player.intersects(hazards[i]) && football.carried) hitHazard = true; } if ((hitEnemy || hitHazard) && football.carried) { football.carried = false; carryingBall = false; football.vx = player.vx * 0.7; football.vy = -20; infoText.setText('You dropped the ball!'); tween(infoText, { alpha: 0 }, { duration: 1200, onFinish: function onFinish() { infoText.setText(''); infoText.alpha = 1; } }); LK.effects.flashObject(player, 0xff0000, 600); } // Football collides with hazard/enemy: reset to start var fbHitHazard = false; for (var i = 0; i < hazards.length; ++i) { if (football.intersects(hazards[i]) && !football.carried) fbHitHazard = true; } var fbHitEnemy = false; for (var i = 0; i < enemies.length; ++i) { if (football.intersects(enemies[i]) && !football.carried) fbHitEnemy = true; } if ((fbHitHazard || fbHitEnemy) && !football.carried) { // Reset football to start football.x = platforms[0].x; football.y = platforms[0].y - 100; football.vx = 0; football.vy = 0; infoText.setText('Ball reset!'); tween(infoText, { alpha: 0 }, { duration: 1200, onFinish: function onFinish() { infoText.setText(''); infoText.alpha = 1; } }); } // Win condition: player+football at goal var atGoal = player.intersects(goal); var fbAtGoal = football.intersects(goal); if (atGoal && football.carried && fbAtGoal) { // Next level infoText.setText('Touchdown! Next level...'); tween(infoText, { alpha: 0 }, { duration: 1200, onFinish: function onFinish() { infoText.setText(''); infoText.alpha = 1; } }); level += 1; storage.level = level; LK.setTimeout(setupLevel, 1200); return; } // Lose condition: player falls off if (player.y > 2732 - 10) { LK.effects.flashScreen(0xff0000, 1000); infoText.setText('You fell! Try again.'); tween(infoText, { alpha: 0 }, { duration: 1200, onFinish: function onFinish() { infoText.setText(''); infoText.alpha = 1; } }); LK.setTimeout(setupLevel, 1200); return; } // Lose condition: football lost off screen if (football.y > 2732 - 10) { infoText.setText('Ball lost! Try again.'); tween(infoText, { alpha: 0 }, { duration: 1200, onFinish: function onFinish() { infoText.setText(''); infoText.alpha = 1; } }); LK.setTimeout(setupLevel, 1200); return; } }; // Start first level setupLevel();