var BlockedFollower = Container.expand(function (enemy) { var self = Container.call(this); self.enemy = enemy; self.followDuration = 500; self.followStartTime = LK.ticks; self.move = function () { self.x = self.enemy.x; self.y = self.enemy.y; LK.setTimeout(function () { if (self.parent) { self.move(); } }, LK.tickDuration); }; }); var Star = Container.expand(function () { var self = Container.call(this); var starGraphics = self.createAsset('star', 'Star asset', .5, .5); self.move = function () { this.x += 4; }; }); var WaveMessage = Container.expand(function (waveIndex) { var self = Container.call(this); var messageImage = self.createAsset('wave' + waveIndex, 'Wave ' + (waveIndex + 1) + ' Image', .5, .5); self.addChild(messageImage); this.setMessage = function (customMessage) { var messageText = new Text2(customMessage, { size: 60, fill: "#ffffff", font: "'Press Start 2P', monospace", fontWeight: 'bold', stroke: '#000000', strokeThickness: 5, dropShadow: true, dropShadowColor: '#000000', dropShadowBlur: 8, dropShadowAngle: Math.PI / 6, dropShadowDistance: 12 }); messageText.anchor.set(0, .5); messageText.x = messageImage.width / 1.5; messageText.y = messageImage.height * 0.1; self.addChild(messageText); }; }); var SpatialGrid = Container.expand(function (cellSize) { var self = Container.call(this); self.cellSize = cellSize; self.grid = {}; self._cellKey = function (x, y) { var cellX = Math.floor(x / self.cellSize); var cellY = Math.floor(y / self.cellSize); return cellX + ':' + cellY; }; self.insert = function (object) { var key = self._cellKey(object.x, object.y); if (!self.grid[key]) { self.grid[key] = []; } self.grid[key].push(object); }; self.retrieve = function (x, y) { var key = self._cellKey(x, y); return self.grid[key] || []; }; self.clear = function () { self.grid = {}; }; }); var Hero = Container.expand(function () { var self = Container.call(this); var heroGraphics = self.createAsset('hero', 'Hero character', .5, .5); self.targetPosition = null; self.setTargetPosition = function (x, y) { self.targetPosition = { x: x, y: Math.max(y, 250) }; }; self.move = function () { if (self.targetPosition) { var dx = self.targetPosition.x - this.x; var dy = self.targetPosition.y - this.y; var magnitude = Math.sqrt(dx * dx + dy * dy); if (magnitude > 5) { this.x += dx / magnitude * 10; this.y += dy / magnitude * 10; } else { this.x = self.targetPosition.x; this.y = self.targetPosition.y; self.targetPosition = null; } } }; self.shoot = function () {}; }); var EnemyWave0 = Container.expand(function (enemyCount) { var self = Container.call(this); self.enemyCount = 1; var enemyGraphics = self.createAsset('enemyWave0', 'Enemy Wave 0 character', .5, .5); self.move = function (heroX, heroY) { var dx = heroX - this.x; var dy = heroY - this.y; var magnitude = Math.sqrt(dx * dx + dy * dy); var speed = 3 + enemySpeedIncrease; var newX = this.x + dx / magnitude * speed; var newY = this.y + dy / magnitude * speed; var minX = 600, maxX = 1500, minY = 100, maxY = 200; newX = Math.max(minX, Math.min(newX, maxX)); newY = Math.max(minY, Math.min(newY, maxY)); this.x = newX; this.y = newY; }; }); var EnemyWave1 = Container.expand(function (enemyCount) { var self = Container.call(this); self.enemyCount = 10; var enemyGraphics = self.createAsset('enemyWave1', 'Enemy Wave 1 character', .5, .5); self.move = function (heroX, heroY) { var dx = heroX - this.x; var dy = heroY - this.y; var magnitude = Math.sqrt(dx * dx + dy * dy); var speed = 3 + enemySpeedIncrease; this.x += dx / magnitude * speed; this.y += dy / magnitude * speed; }; }); var EnemyWave2 = Container.expand(function (enemyCount) { var self = Container.call(this); self.enemyCount = 5; var enemyGraphics = self.createAsset('enemyWave2', 'Enemy Wave 2 character', .5, .5); self.move = function (heroX, heroY) { var dx = heroX - this.x; var dy = heroY - this.y; var magnitude = Math.sqrt(dx * dx + dy * dy); var speed = 2 + enemySpeedIncrease; this.x += dx / magnitude * speed; this.y += dy / magnitude * speed; }; }); var EnemyWave3 = Container.expand(function (enemyCount) { var self = Container.call(this); self.enemyCount = 6; var enemyGraphics = self.createAsset('enemyWave3', 'Enemy Wave 3 character', .5, .5); self.move = function (heroX, heroY) { var dx = heroX - this.x; var dy = heroY - this.y; var magnitude = Math.sqrt(dx * dx + dy * dy); var speed = 2.5 + enemySpeedIncrease; this.x += dx / magnitude * speed; this.y += dy / magnitude * speed; }; }); var EnemyWave4 = Container.expand(function (enemyCount) { var self = Container.call(this); self.enemyCount = 15; var enemyGraphics = self.createAsset('enemyWave4', 'Enemy Wave 4 character', .5, .5); self.move = function (heroX, heroY) { var dx = heroX - this.x; var dy = heroY - this.y; var magnitude = Math.sqrt(dx * dx + dy * dy); var speed = 3.5 + enemySpeedIncrease; this.x += dx / magnitude * speed; this.y += dy / magnitude * speed; }; }); var EnemyWave5 = Container.expand(function (enemyCount) { var self = Container.call(this); self.enemyCount = 1; var enemyGraphics = self.createAsset('enemyWave5', 'Enemy Wave 5 character', .5, .5); self.move = function (heroX, heroY) { var dx = heroX - this.x; var dy = heroY - this.y; var magnitude = Math.sqrt(dx * dx + dy * dy); var speed = 7 + enemySpeedIncrease; this.x += dx / magnitude * speed; this.y += dy / magnitude * speed; }; }); var HeroBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.createAsset('heroBullet', 'Hero Bullet', .5, .5); self.move = function () { this.y -= 5; }; }); var EnemyBullet = Container.expand(function () { var self = Container.call(this); var bulletGraphics = self.createAsset('enemyBullet', 'Enemy Bullet', .5, .5); self.move = function (heroX, heroY) { var dx = heroX - this.x; var dy = heroY - this.y; var magnitude = Math.sqrt(dx * dx + dy * dy); this.x += dx / magnitude * 2; this.y += dy / magnitude * 2; }; }); var enemySpeedIncrease = 0; var Game = Container.expand(function () { var self = Container.call(this); stage.on('down', function (obj) { var pos = obj.event.getLocalPosition(self); hero.setTargetPosition(pos.x, pos.y); }); var background = self.createAsset('background', 'Game Background', 0, 0); background.width = 2048; background.height = 2532; background.y = 200; self.addChild(background); var centerLine = self.createAsset('whiteLine', 'Center Line', 0, 0); centerLine.width = 2048; centerLine.height = 10; centerLine.y = 2732 / 2; self.addChild(centerLine); var centerCircle = self.createAsset('centerCircle', 'Center Circle', 0.5, 0.5); centerCircle.width = 100; centerCircle.height = 100; centerCircle.x = 2048 / 2; centerCircle.y = centerLine.y; self.addChild(centerCircle); var topArea = LK.getAsset('topArea', 'Top Area', 0, 0); topArea.width = 2048; topArea.height = 200; self.addChild(topArea); var horizontalLine = LK.getAsset('horizontalLine', 'Horizontal Line', 0, 0); horizontalLine.width = 2048; horizontalLine.height = 10; horizontalLine.y = 200; self.addChild(horizontalLine); self.getEnemyCountForWave = function (waveIndex) { switch (waveIndex % 6) { case 0: return 1; case 1: return 10; case 2: return 5; case 3: return 6; case 4: return 8; case 5: return 1; } }; var goal = self.createAsset('goal', 'Goal asset', 0.5, 0.5); goal.width = 1100; goal.height = 200; goal.x = 2048 / 2; goal.y = goal.height / 2; self.addChild(goal); var hero = self.addChild(new Hero()); var score = 0; var scoreTxt = new Text2('0', { size: 120, fill: "#ffffff", font: "'Press Start 2P', monospace", dropShadow: true, dropShadowColor: '#000000', dropShadowBlur: 4, dropShadowAngle: Math.PI / 6, dropShadowDistance: 6 }); scoreTxt.anchor.set(0, 0.5); scoreTxt.x = 135; scoreTxt.y = 20 + scoreTxt.height / 2; LK.gui.addChild(scoreTxt); scoreTxt.parent.setChildIndex(scoreTxt, scoreTxt.parent.children.length - 1); var timerTxt = new Text2(':60', { size: 120, fill: "#ffffff", font: "'Press Start 2P', monospace", dropShadow: true, dropShadowColor: '#000000', dropShadowBlur: 4, dropShadowAngle: Math.PI / 6, dropShadowDistance: 6 }); timerTxt.anchor.set(0.5, 0); timerTxt.x = 2048 / 2 + 210; timerTxt.y = 20; self.timerTxt = timerTxt; LK.gui.addChild(self.timerTxt); self.timerTxt.parent.setChildIndex(self.timerTxt, self.timerTxt.parent.children.length - 1); var enemies = []; var waveIndex = 0; var maxWaveCount = 6; var waveTimer = 600; var waveInterval = 600; var gameTime = 60; var gameTimer = LK.setInterval(function () { if (gameTime > 0) { gameTime--; var minutes = Math.floor(gameTime / 60); var seconds = gameTime % 60; var formattedTime = (minutes > 0 ? minutes.toString().padStart(2, '0') : '') + ':' + seconds.toString().padStart(2, '0'); timerTxt.setText(formattedTime); } else { LK.clearInterval(gameTimer); LK.showGameOver('Game Over! Your score: ' + score.toString()); } }, 1000); var heroBullets = []; self.messageTimeouts = []; var enemyBullets = []; hero.x = 2048 / 2; hero.y = 2732 - 700; var bulletTimer = 0; var bulletInterval = 100; LK.on('tick', function () { hero.move(); bulletTimer++; if (bulletTimer >= bulletInterval) { var newBullet = new HeroBullet(); newBullet.x = hero.x; newBullet.y = hero.y; heroBullets.push(newBullet); self.addChild(newBullet); bulletTimer = 0; } if (waveIndex < maxWaveCount) { waveTimer++; } if (waveTimer >= waveInterval && waveIndex < maxWaveCount) { var waveMessages = ['KICK OFf!', 'EMPTY', 'KIDS want a selfie!', 'Time for the PRESS!', 'HOOLIGANS incoming!!', 'SIIIUU!']; var waveMessage = new WaveMessage(waveIndex); waveMessage.setMessage(waveMessages[waveIndex % waveMessages.length]); switch (waveIndex % 6) { case 0: waveMessage.x = 150; waveMessage.y = 1700; break; case 1: waveMessage.x = 150; waveMessage.y = 1700; break; case 2: waveMessage.x = 150; waveMessage.y = 1700; break; case 3: waveMessage.x = 150; waveMessage.y = 1700; break; case 4: waveMessage.x = 150; waveMessage.y = 1700; break; case 5: waveMessage.x = 150; waveMessage.y = 1700; break; } LK.gui.addChild(waveMessage); LK.gui.setChildIndex(waveMessage, LK.gui.children.length - 1); var messageTimeout = LK.setTimeout((function (waveMessageRef) { return function () { LK.gui.removeChild(waveMessageRef); waveMessageRef.destroy(); }; })(waveMessage), 4000); self.messageTimeouts.push(messageTimeout); if (waveIndex == 0) { for (var i = 0; i < self.getEnemyCountForWave(waveIndex); i++) { var newEnemy = new EnemyWave0(self.getEnemyCountForWave(waveIndex)); newEnemy.x = 1000; newEnemy.y = 300; enemies.push(newEnemy); self.addChild(newEnemy); } for (var i = 0; i < self.getEnemyCountForWave(waveIndex + 1); i++) { var newEnemy = new EnemyWave1(self.getEnemyCountForWave(waveIndex + 1)); newEnemy.x = Math.random() * 2048; newEnemy.y = 300; enemies.push(newEnemy); self.addChild(newEnemy); } waveIndex += 2; } else { for (var i = 0; i < self.getEnemyCountForWave(waveIndex); i++) { var newEnemy; var enemyCount = self.getEnemyCountForWave(waveIndex); switch (waveIndex % 6) { case 0: newEnemy = new EnemyWave0(enemyCount); newEnemy.x = 1000; newEnemy.y = 0; break; case 1: newEnemy = new EnemyWave1(enemyCount); newEnemy.x = Math.random() * 2048; newEnemy.y = 0; break; case 2: newEnemy = new EnemyWave2(enemyCount); newEnemy.x = Math.random() * 2048; newEnemy.y = 2732; break; case 3: newEnemy = new EnemyWave3(enemyCount); var side = Math.random() < 0.5 ? 0 : 2048; newEnemy.x = side; newEnemy.y = Math.random() * 2732; break; case 4: newEnemy = new EnemyWave4(enemyCount); var side = Math.floor(Math.random() * 3); switch (side) { case 0: newEnemy.x = 0; newEnemy.y = Math.random() * 2732; break; case 1: newEnemy.x = 2048; newEnemy.y = Math.random() * 2732; break; case 2: newEnemy.x = Math.random() * 2048; newEnemy.y = 2732; break; } break; case 5: newEnemy = new EnemyWave5(enemyCount); newEnemy.x = 1000; newEnemy.y = 2732; break; } enemies.push(newEnemy); self.addChild(newEnemy); } waveIndex++; } waveTimer = 0; } var spatialGrid = new SpatialGrid(100); for (var i = 0; i < enemies.length; i++) { spatialGrid.insert(enemies[i]); } for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; var nearbyEnemies = spatialGrid.retrieve(enemy.x, enemy.y); enemy.move(hero.x, hero.y); var collisionThreshold = 20; var heroRadius = hero.width / 2; var enemyRadius = enemy.width / 2; var dx = hero.x - enemy.x; var dy = hero.y - enemy.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance < heroRadius + enemyRadius) { self.messageTimeouts.forEach(function (timeout) { LK.clearTimeout(timeout); }); LK.gui.removeChild(self.timerTxt); LK.showGameOver('Game Over! Your score: ' + score.toString()); LK.gui.children.forEach(function (child) { if (child instanceof Text2) { child.destroy(); } }); LK.gui.removeChildren(); return; } for (var j = 0; j < nearbyEnemies.length; j++) { var otherEnemy = nearbyEnemies[j]; if (otherEnemy !== enemy && enemy.intersects(otherEnemy)) { var overlapX = enemy.x - otherEnemy.x; var overlapY = enemy.y - otherEnemy.y; var overlapMagnitude = Math.sqrt(overlapX * overlapX + overlapY * overlapY); var separationDistance = 100; for (var j = 0; j < nearbyEnemies.length; j++) { var otherEnemy = nearbyEnemies[j]; if (otherEnemy !== enemy && enemy.intersects(otherEnemy)) { var overlapX = enemy.x - otherEnemy.x; var overlapY = enemy.y - otherEnemy.y; var overlapMagnitude = Math.sqrt(overlapX * overlapX + overlapY * overlapY); if (overlapMagnitude < separationDistance) { var separationFactor = (separationDistance - overlapMagnitude) / overlapMagnitude; enemy.x += overlapX / overlapMagnitude * separationFactor; enemy.y += overlapY / overlapMagnitude * separationFactor; otherEnemy.x -= overlapX / overlapMagnitude * separationFactor; otherEnemy.y -= overlapY / overlapMagnitude * separationFactor; } } } } } } spatialGrid.clear(); for (var i = heroBullets.length - 1; i >= 0; i--) { heroBullets[i].move(goal.x, goal.y); if (heroBullets[i].intersects(goal)) { var successAsset = self.createAsset('success', 'Success Asset', .5, .5); var dx = goal.x - heroBullets[i].x; var dy = goal.y - heroBullets[i].y; var magnitude = Math.sqrt(dx * dx + dy * dy); successAsset.x = heroBullets[i].x; successAsset.y = heroBullets[i].y - 70; self.addChild(successAsset); LK.setTimeout(function () { successAsset.destroy(); }, 1000); heroBullets[i].destroy(); heroBullets.splice(i, 1); score++; enemySpeedIncrease += 0.1; scoreTxt.setText(score.toString()); continue; } for (var j = 0; j < enemies.length; j++) { if (heroBullets[i] && heroBullets[i].intersects(enemies[j])) { heroBullets[i].destroy(); heroBullets.splice(i, 1); break; } } } for (var i = 0; i < enemyBullets.length; i++) { enemyBullets[i].move(); } }); });