/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var Mouse = Container.expand(function () { var self = Container.call(this); var mouseGraphics = self.attachAsset('mouse', { anchorX: 0.5, anchorY: 0.5 }); self.spawn = function () { // Spawn within arena bounds self.x = 124 + 50 + Math.random() * (1800 - 100); self.y = 166 + 50 + Math.random() * (2400 - 100); }; return self; }); var PoisonApple = Container.expand(function () { var self = Container.call(this); var appleGraphics = self.attachAsset('poisonApple', { anchorX: 0.5, anchorY: 0.5 }); self.spawn = function () { // Spawn within arena bounds self.x = 124 + 50 + Math.random() * (1800 - 100); self.y = 166 + 50 + Math.random() * (2400 - 100); }; return self; }); var Snake = Container.expand(function () { var self = Container.call(this); self.segments = []; self.direction = { x: 1, y: 0 }; self.speed = 4; self.segmentSize = 60; // Create initial snake with 3 segments for (var i = 0; i < 3; i++) { var segment; if (i === 0) { segment = self.attachAsset('snakeHead', { anchorX: 0.5, anchorY: 0.5 }); } else { segment = self.attachAsset('snakeSegment', { anchorX: 0.5, anchorY: 0.5 }); } segment.x = 1024 - i * self.segmentSize; segment.y = 1366; self.segments.push(segment); } self.update = function () { // Move head var head = self.segments[0]; head.x += self.direction.x * self.speed; head.y += self.direction.y * self.speed; // Keep snake within arena bounds if (head.x < 124 + 30) head.x = 124 + 30; if (head.x > 1924 - 30) head.x = 1924 - 30; if (head.y < 166 + 30) head.y = 166 + 30; if (head.y > 2566 - 30) head.y = 2566 - 30; // Move body segments for (var i = 1; i < self.segments.length; i++) { var segment = self.segments[i]; var prevSegment = self.segments[i - 1]; var dx = prevSegment.x - segment.x; var dy = prevSegment.y - segment.y; var distance = Math.sqrt(dx * dx + dy * dy); if (distance > self.segmentSize) { segment.x += dx / distance * self.speed; segment.y += dy / distance * self.speed; } } }; self.getHead = function () { return self.segments[0]; }; self.grow = function () { var lastSegment = self.segments[self.segments.length - 1]; var newSegment = self.attachAsset('snakeSegment', { anchorX: 0.5, anchorY: 0.5 }); newSegment.x = lastSegment.x; newSegment.y = lastSegment.y; self.segments.push(newSegment); }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x2E7D32 }); /**** * Game Code ****/ // Game arena var arena = game.attachAsset('arena', { anchorX: 0.5, anchorY: 0.5, x: 1024, y: 1366 }); // Game variables var snake = game.addChild(new Snake()); var mice = []; var maxMice = 8; var poisonApples = []; var maxPoisonApples = 2; var stamina = 30; var maxStamina = 30; var staminaDrainTimer = 0; var mouseSpawnTimer = 0; var poisonAppleSpawnTimer = 0; var gameRunning = true; var isPoisoned = false; var poisonTimer = 0; var poisonDuration = 600; // 10 seconds at 60 FPS // UI Elements var staminaBarBg = LK.getAsset('arena', { anchorX: 0, anchorY: 0, scaleX: 0.28, scaleY: 0.04, x: 0, y: 0 }); staminaBarBg.tint = 0x333333; LK.gui.topLeft.addChild(staminaBarBg); var staminaBarFill = LK.getAsset('arena', { anchorX: 0, anchorY: 0, scaleX: 0.28, scaleY: 0.04, x: 0, y: 0 }); staminaBarFill.tint = 0xFF4444; LK.gui.topLeft.addChild(staminaBarFill); var staminaText = new Text2('Stamina: 30', { size: 60, fill: 0xFFFFFF }); staminaText.anchor.set(0, 0); staminaText.x = 0; staminaText.y = 120; LK.gui.topLeft.addChild(staminaText); var scoreText = new Text2('Score: 0', { size: 80, fill: 0xFFFFFF }); scoreText.anchor.set(0.5, 0); LK.gui.top.addChild(scoreText); // Initialize mice function spawnMouse() { if (mice.length < maxMice) { var mouse = new Mouse(); mouse.spawn(); mice.push(mouse); game.addChild(mouse); } } // Spawn poison apple function function spawnPoisonApple() { if (poisonApples.length < maxPoisonApples) { var poisonApple = new PoisonApple(); poisonApple.spawn(); poisonApples.push(poisonApple); game.addChild(poisonApple); } } // Initial mouse spawning for (var i = 0; i < maxMice; i++) { spawnMouse(); } // Initial poison apple spawning for (var i = 0; i < maxPoisonApples; i++) { spawnPoisonApple(); } // Touch controls var touchStartX = 0; var touchStartY = 0; var isTouch = false; game.down = function (x, y, obj) { touchStartX = x; touchStartY = y; isTouch = true; }; game.up = function (x, y, obj) { if (!gameRunning || !isTouch) return; var deltaX = x - touchStartX; var deltaY = y - touchStartY; var minSwipeDistance = 50; if (Math.abs(deltaX) > Math.abs(deltaY) && Math.abs(deltaX) > minSwipeDistance) { // Horizontal swipe if (deltaX > 0 && snake.direction.x !== -1) { snake.direction = { x: 1, y: 0 }; // Right } else if (deltaX < 0 && snake.direction.x !== 1) { snake.direction = { x: -1, y: 0 }; // Left } } else if (Math.abs(deltaY) > minSwipeDistance) { // Vertical swipe if (deltaY > 0 && snake.direction.y !== -1) { snake.direction = { x: 0, y: 1 }; // Down } else if (deltaY < 0 && snake.direction.y !== 1) { snake.direction = { x: 0, y: -1 }; // Up } } isTouch = false; }; function updateStaminaBar() { var staminaPercentage = stamina / maxStamina; staminaBarFill.scaleX = 0.28 * staminaPercentage; // Change color based on stamina level if (staminaPercentage > 0.6) { staminaBarFill.tint = 0x4CAF50; // Green } else if (staminaPercentage > 0.3) { staminaBarFill.tint = 0xFFC107; // Yellow } else { staminaBarFill.tint = 0xFF4444; // Red } } function checkMouseCollisions() { var head = snake.getHead(); for (var i = mice.length - 1; i >= 0; i--) { var mouse = mice[i]; if (head.intersects(mouse)) { // Eat mouse stamina = Math.min(maxStamina, stamina + 2); LK.setScore(LK.getScore() + 10); scoreText.setText('Score: ' + LK.getScore()); staminaText.setText('Stamina: ' + Math.ceil(stamina)); // Visual feedback LK.effects.flashObject(mouse, 0xFFFFFF, 200); // Play eat sound LK.getSound('eat').play(); // Remove mouse and spawn new one mouse.destroy(); mice.splice(i, 1); // Grow snake slightly snake.grow(); break; } } } function checkPoisonAppleCollisions() { var head = snake.getHead(); for (var i = poisonApples.length - 1; i >= 0; i--) { var poisonApple = poisonApples[i]; if (head.intersects(poisonApple)) { // Apply poison effect isPoisoned = true; poisonTimer = poisonDuration; // Visual feedback - flash red and scale effect LK.effects.flashObject(poisonApple, 0xFF0000, 300); tween(snake.getHead(), { scaleX: 1.2, scaleY: 1.2 }, { duration: 200, easing: tween.easeOut }); tween(snake.getHead(), { scaleX: 1.0, scaleY: 1.0 }, { duration: 200, easing: tween.easeIn }); // Remove poison apple poisonApple.destroy(); poisonApples.splice(i, 1); break; } } } game.update = function () { if (!gameRunning) return; // Update poison timer if (isPoisoned) { poisonTimer--; if (poisonTimer <= 0) { isPoisoned = false; // Visual feedback when poison wears off tween(snake.getHead(), { tint: 0xFFFFFF }, { duration: 500, easing: tween.easeOut }); } else { // Keep snake tinted while poisoned snake.getHead().tint = 0xFF6666; } } // Update stamina drain timer staminaDrainTimer++; var drainRate = isPoisoned ? 2 : 1; // Double drain when poisoned if (staminaDrainTimer >= 60) { // 1 second at 60 FPS var oldStamina = stamina; stamina -= drainRate; staminaDrainTimer = 0; staminaText.setText('Stamina: ' + Math.ceil(stamina)); // Update snake size based on stamina level var staminaPercentage = Math.max(0.1, stamina / maxStamina); // Minimum 10% size var targetScale = 0.4 + staminaPercentage * 0.6; // Scale from 0.4 to 1.0 // Apply smooth scaling transition to all snake segments for (var s = 0; s < snake.segments.length; s++) { tween(snake.segments[s], { scaleX: targetScale, scaleY: targetScale }, { duration: 200, easing: tween.easeOut }); } if (stamina <= 0) { gameRunning = false; LK.getSound('gameOver').play(); LK.showGameOver(); return; } } // Update stamina bar updateStaminaBar(); // Check mouse collisions checkMouseCollisions(); // Check poison apple collisions checkPoisonAppleCollisions(); // Spawn new mice periodically mouseSpawnTimer++; if (mouseSpawnTimer >= 180 && mice.length < maxMice) { // Every 3 seconds spawnMouse(); mouseSpawnTimer = 0; } // Spawn new poison apples periodically poisonAppleSpawnTimer++; if (poisonAppleSpawnTimer >= 300 && poisonApples.length < maxPoisonApples) { // Every 5 seconds spawnPoisonApple(); poisonAppleSpawnTimer = 0; } // Update score based on survival time if (LK.ticks % 60 === 0) { // Every second LK.setScore(LK.getScore() + 1); scoreText.setText('Score: ' + LK.getScore()); } };