/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ var CactusSpike = Container.expand(function (startX, startY, target, damage) { var self = Container.call(this); self.graphics = self.attachAsset('cactusSpike', { anchorX: 0.5, anchorY: 0.5 }); self.x = startX; self.y = startY; self.target = target; self.damage = damage; self.speed = 15; // Faster than regular peas // Calculate direction towards target var dx = target.x - startX; var dy = target.y - startY; var distance = Math.sqrt(dx * dx + dy * dy); self.velocityX = dx / distance * self.speed; self.velocityY = dy / distance * self.speed; // Rotate spike based on direction self.graphics.rotation = Math.atan2(dy, dx); self.update = function () { self.x += self.velocityX; self.y += self.velocityY; // Check collision with any enemy for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; if (self.intersects(enemy)) { var destroyed = enemy.takeDamage(self.damage); if (destroyed) { // Remove enemy from array var index = enemies.indexOf(enemy); if (index > -1) { enemy.destroy(); enemies.splice(index, 1); resources += 10; updateUI(); } } // Remove bullet var bulletIndex = cactusSpikes.indexOf(self); if (bulletIndex > -1) { cactusSpikes.splice(bulletIndex, 1); self.destroy(); } LK.getSound('enemyHit').play(); return; // Exit after hitting first enemy } } // Remove bullet if it goes off screen if (self.x < -50 || self.x > 2100 || self.y < -50 || self.y > 2800) { var bulletIndex = cactusSpikes.indexOf(self); if (bulletIndex > -1) { cactusSpikes.splice(bulletIndex, 1); self.destroy(); } } }; return self; }); var CoconutBullet = Container.expand(function (startX, startY, target, damage) { var self = Container.call(this); self.graphics = self.attachAsset('coconutBullet', { anchorX: 0.5, anchorY: 0.5 }); self.x = startX; self.y = startY; self.target = target; self.damage = damage; self.speed = 8; self.explosionRadius = 150; // Calculate direction towards target var dx = target.x - startX; var dy = target.y - startY; var distance = Math.sqrt(dx * dx + dy * dy); self.velocityX = dx / distance * self.speed; self.velocityY = dy / distance * self.speed; self.update = function () { self.x += self.velocityX; self.y += self.velocityY; // Check if reached target area var distanceToTarget = Math.sqrt(Math.pow(self.x - self.target.x, 2) + Math.pow(self.y - self.target.y, 2)); if (distanceToTarget <= 50) { self.explode(); } // Remove bullet if it goes off screen if (self.x < -50 || self.x > 2100 || self.y < -50 || self.y > 2800) { var bulletIndex = coconutBullets.indexOf(self); if (bulletIndex > -1) { coconutBullets.splice(bulletIndex, 1); self.destroy(); } } }; self.explode = function () { // Damage all enemies in explosion radius for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2)); if (distance <= self.explosionRadius) { var destroyed = enemy.takeDamage(self.damage); if (destroyed) { enemy.destroy(); enemies.splice(i, 1); resources += 10; updateUI(); } } } // Remove bullet var bulletIndex = coconutBullets.indexOf(self); if (bulletIndex > -1) { coconutBullets.splice(bulletIndex, 1); self.destroy(); } LK.getSound('enemyHit').play(); }; return self; }); var Enemy = Container.expand(function (type, pathIndex) { var self = Container.call(this); self.type = type; self.speed = 0.5; self.health = 50; self.maxHealth = 50; self.damage = 10; self.attackCooldown = 0; // Use specified path index self.pathLane = pathIndex; self.targetRow = pathRows[pathIndex]; if (type === 'basic') { self.graphics = self.attachAsset('basicUndead', { anchorX: 0.5, anchorY: 0.5, scaleX: 2, scaleY: 2 }); self.graphics.scale.x = -1; self.speed = 0.5; self.health = 50; self.maxHealth = 50; } else if (type === 'fast') { self.graphics = self.attachAsset('fastUndead', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 1; self.health = 30; self.maxHealth = 30; } else if (type === 'tank') { self.graphics = self.attachAsset('tankUndead', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 0.25; self.health = 150; self.maxHealth = 150; self.damage = 20; } else if (type === 'moon') { self.graphics = self.attachAsset('moonUndead', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.scale.x = -1; self.speed = 0.3; self.health = 200; self.maxHealth = 200; self.damage = 25; self.shootCooldown = 0; self.shootRate = 120; // 2 seconds between shots self.range = 600; // Shooting range } // Position will be set by spawnEnemy function self.x = 0; self.y = 0; self.takeDamage = function (damage) { self.health -= damage; if (self.health <= 0) { self.health = 0; return true; // enemy destroyed } return false; }; self.update = function () { if (self.attackCooldown > 0) { self.attackCooldown--; } if (self.shootCooldown > 0) { self.shootCooldown--; } // Handle frozen state if (self.frozenTime > 0) { self.frozenTime--; if (self.frozenTime <= 0) { // Unfreeze enemy self.speed = self.originalSpeed; self.graphics.tint = 0xffffff; // Reset tint } } // Move straight horizontally from left to right self.x += self.speed; // Gradually grow zombie over time if (self.graphics.scaleX < 3) { tween(self.graphics, { scaleX: 3, scaleY: 3 }, { duration: 5000 }); } // Check if reached end of screen if (self.x > 2048 + 100) { // Reached end of screen, damage player playerHealth -= self.damage; updateUI(); // Remove enemy var index = enemies.indexOf(self); if (index > -1) { enemies.splice(index, 1); self.destroy(); } if (playerHealth <= 0) { LK.showGameOver(); } } // Moon zombie shooting behavior if (self.type === 'moon' && self.shootCooldown <= 0) { var target = self.findNearestPlant(); if (target) { self.shootMoon(target); self.shootCooldown = self.shootRate; } } // Check for plant collisions self.checkPlantCollisions(); }; self.findNearestPlant = function () { var nearest = null; var nearestDistance = self.range; for (var i = 0; i < plants.length; i++) { var plant = plants[i]; var distance = Math.sqrt(Math.pow(plant.x - self.x, 2) + Math.pow(plant.y - self.y, 2)); if (distance < nearestDistance) { nearest = plant; nearestDistance = distance; } } return nearest; }; self.shootMoon = function (target) { var moonBullet = new MoonBullet(self.x, self.y, target, self.damage); moonBullets.push(moonBullet); game.addChild(moonBullet); LK.getSound('plantShoot').play(); }; self.checkPlantCollisions = function () { for (var i = 0; i < plants.length; i++) { var plant = plants[i]; if (self.intersects(plant) && self.attackCooldown <= 0) { var destroyed = plant.takeDamage(self.damage); if (destroyed) { plant.destroy(); plants.splice(i, 1); // Remove from grid var gridX = Math.floor((plant.x - 24) / 100); var gridY = Math.floor((plant.y - 800) / 100); if (gridX >= 0 && gridX < gridWidth && gridY >= 0 && gridY < gridHeight) { grid[gridY][gridX] = 0; } } self.attackCooldown = 60; // 1 second cooldown break; } } }; return self; }); var FireBullet = Container.expand(function (startX, startY, target, damage) { var self = Container.call(this); self.graphics = self.attachAsset('fireBullet', { anchorX: 0.5, anchorY: 0.5 }); self.x = startX; self.y = startY; self.target = target; self.damage = damage; self.speed = 12; // Calculate direction towards target var dx = target.x - startX; var dy = target.y - startY; var distance = Math.sqrt(dx * dx + dy * dy); self.velocityX = dx / distance * self.speed; self.velocityY = dy / distance * self.speed; self.update = function () { self.x += self.velocityX; self.y += self.velocityY; // Check collision with any enemy for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; if (self.intersects(enemy)) { var destroyed = enemy.takeDamage(self.damage); if (destroyed) { // Remove enemy from array var index = enemies.indexOf(enemy); if (index > -1) { enemy.destroy(); enemies.splice(index, 1); resources += 10; updateUI(); } } // Remove bullet var bulletIndex = fireBullets.indexOf(self); if (bulletIndex > -1) { fireBullets.splice(bulletIndex, 1); self.destroy(); } LK.getSound('enemyHit').play(); return; // Exit after hitting first enemy } } }; return self; }); var FireWave = Container.expand(function (startX, startY, direction, damage) { var self = Container.call(this); self.graphics = self.attachAsset('fireWave', { anchorX: 0.5, anchorY: 0.5 }); self.x = startX; self.y = startY; self.damage = damage; self.speed = 6; self.direction = direction; // 'left' or 'right' self.lifeTime = 120; // 2 seconds self.hitEnemies = []; // Track hit enemies to prevent multiple hits self.update = function () { self.lifeTime--; if (self.lifeTime <= 0) { var waveIndex = fireWaves.indexOf(self); if (waveIndex > -1) { fireWaves.splice(waveIndex, 1); self.destroy(); } return; } // Move in direction if (self.direction === 'left') { self.x -= self.speed; } else { self.x += self.speed; } // Check collision with enemies for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; if (self.hitEnemies.indexOf(enemy) === -1 && self.intersects(enemy)) { self.hitEnemies.push(enemy); var destroyed = enemy.takeDamage(self.damage); if (destroyed) { var index = enemies.indexOf(enemy); if (index > -1) { enemy.destroy(); enemies.splice(index, 1); resources += 10; updateUI(); } } LK.getSound('enemyHit').play(); } } // Remove if off screen if (self.x < -100 || self.x > 2150) { var waveIndex = fireWaves.indexOf(self); if (waveIndex > -1) { fireWaves.splice(waveIndex, 1); self.destroy(); } } }; return self; }); var MoonBullet = Container.expand(function (startX, startY, target, damage) { var self = Container.call(this); self.graphics = self.attachAsset('moonBullet', { anchorX: 0.5, anchorY: 0.5 }); self.x = startX; self.y = startY; self.target = target; self.damage = damage; self.speed = 8; // Calculate direction towards target var dx = target.x - startX; var dy = target.y - startY; var distance = Math.sqrt(dx * dx + dy * dy); self.velocityX = dx / distance * self.speed; self.velocityY = dy / distance * self.speed; self.update = function () { self.x += self.velocityX; self.y += self.velocityY; // Check collision with any plant for (var i = 0; i < plants.length; i++) { var plant = plants[i]; if (self.intersects(plant)) { var destroyed = plant.takeDamage(self.damage); if (destroyed) { // Remove plant from array var index = plants.indexOf(plant); if (index > -1) { plant.destroy(); plants.splice(index, 1); // Remove from grid var gridX = Math.floor((plant.x - 24) / 100); var gridY = Math.floor((plant.y - 800) / 100); if (gridX >= 0 && gridX < gridWidth && gridY >= 0 && gridY < gridHeight) { grid[gridY][gridX] = 0; } } } // Remove bullet var bulletIndex = moonBullets.indexOf(self); if (bulletIndex > -1) { moonBullets.splice(bulletIndex, 1); self.destroy(); } LK.getSound('enemyHit').play(); return; // Exit after hitting first plant } } // Remove bullet if it goes off screen if (self.x < -50 || self.x > 2100 || self.y < -50 || self.y > 2800) { var bulletIndex = moonBullets.indexOf(self); if (bulletIndex > -1) { moonBullets.splice(bulletIndex, 1); self.destroy(); } } }; return self; }); var PeasFire = Container.expand(function (startX, startY, target, damage) { var self = Container.call(this); self.graphics = self.attachAsset('fireBullet', { anchorX: 0.5, anchorY: 0.5 }); self.x = startX; self.y = startY; self.target = target; self.damage = damage; self.speed = 10; // Calculate direction towards target var dx = target.x - startX; var dy = target.y - startY; var distance = Math.sqrt(dx * dx + dy * dy); self.velocityX = dx / distance * self.speed; self.velocityY = dy / distance * self.speed; self.update = function () { self.x += self.velocityX; self.y += self.velocityY; // Check collision with any enemy for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; if (self.intersects(enemy)) { var destroyed = enemy.takeDamage(self.damage); if (destroyed) { // Remove enemy from array var index = enemies.indexOf(enemy); if (index > -1) { enemy.destroy(); enemies.splice(index, 1); resources += 10; updateUI(); } } // Remove bullet var bulletIndex = peasFireBullets.indexOf(self); if (bulletIndex > -1) { peasFireBullets.splice(bulletIndex, 1); self.destroy(); } LK.getSound('enemyHit').play(); return; // Exit after hitting first enemy } } // Remove bullet if it goes off screen if (self.x < -50 || self.x > 2100 || self.y < -50 || self.y > 2800) { var bulletIndex = peasFireBullets.indexOf(self); if (bulletIndex > -1) { peasFireBullets.splice(bulletIndex, 1); self.destroy(); } } }; return self; }); var Plant = Container.expand(function (type) { var self = Container.call(this); self.type = type; self.shootCooldown = 0; self.range = 800; self.damage = 20; self.health = 100; self.maxHealth = 100; self.sunProductionTimer = 0; self.currentTarget = null; if (type === 'peashooter') { self.graphics = self.attachAsset('peashooter', { anchorX: 0.5, anchorY: 0.5 }); self.shootRate = 90; // frames between shots self.cost = 100; self.range = 800; self.damage = 20; } else if (type === 'firepeashooter') { self.graphics = self.attachAsset('firepeashooter', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0xff4500; // Red tint for fire peashooter self.shootRate = 90; // frames between shots self.cost = 125; self.range = 800; self.damage = 30; // Higher damage than regular peashooter } else if (type === 'wallnut') { self.graphics = self.attachAsset('wallnut', { anchorX: 0.5, anchorY: 0.5 }); self.health = 4000; self.maxHealth = 4000; self.cost = 50; } else if (type === 'sunflower') { self.graphics = self.attachAsset('sunflower', { anchorX: 0.5, anchorY: 0.5 }); self.cost = 50; self.health = 300; self.maxHealth = 300; } else if (type === 'cherrybomb') { self.graphics = self.attachAsset('cherrybomb', { anchorX: 0.5, anchorY: 0.5 }); self.cost = 150; self.health = 200; self.maxHealth = 200; self.explosionTimer = 180; // 3 seconds at 60fps self.hasExploded = false; } else if (type === 'peasfire') { self.graphics = self.attachAsset('peashooter', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0xff6347; // Tomato red tint for peasfire self.shootRate = 75; // frames between shots self.cost = 150; self.range = 800; self.damage = 35; // Higher damage than regular peashooter } else if (type === 'venusflytrap') { self.graphics = self.attachAsset('venusflytrap', { anchorX: 0.5, anchorY: 0.5 }); self.cost = 175; self.health = 300; self.maxHealth = 300; self.damage = 200; // High damage for instant kill self.attackRange = 150; // Short range for close combat self.attackCooldown = 0; self.isEating = false; self.eatDuration = 0; } else if (type === 'bonkchoy') { self.graphics = self.attachAsset('bonkchoy', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0x228B22; // Forest green tint self.cost = 150; self.health = 300; self.maxHealth = 300; self.damage = 75; self.attackRange = 100; self.attackCooldown = 0; self.attackRate = 60; // Attack every second } else if (type === 'bonkchoy') { self.graphics = self.attachAsset('bonkchoy', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0x228B22; // Forest green tint self.cost = 150; self.health = 300; self.maxHealth = 300; self.damage = 75; self.attackRange = 100; self.attackCooldown = 0; self.attackRate = 60; // Attack every second } else if (type === 'coconutcannon') { self.graphics = self.attachAsset('coconutcannon', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0x8B4513; // Brown tint self.cost = 400; self.health = 300; self.maxHealth = 300; self.damage = 90; self.range = 1000; self.shootRate = 240; // Shoot every 4 seconds } else if (type === 'tallnut') { self.graphics = self.attachAsset('tallnut', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0x8B4513; // Brown tint self.cost = 125; self.health = 8000; // Higher health than wallnut self.maxHealth = 8000; } else if (type === 'spikeweed') { self.graphics = self.attachAsset('spikeweed', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0x228B22; // Green tint self.cost = 100; self.health = 300; self.maxHealth = 300; self.damage = 20; self.spikeDamage = 20; } else if (type === 'spikerock') { self.graphics = self.attachAsset('spikerock', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0x696969; // Gray tint self.cost = 200; self.health = 600; self.maxHealth = 600; self.damage = 40; self.spikeDamage = 40; } else if (type === 'cactus') { self.graphics = self.attachAsset('cactus', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0x228B22; // Dark green tint self.shootRate = 80; // frames between shots self.cost = 125; self.range = 1200; // Long range self.damage = 25; self.health = 300; self.maxHealth = 300; } else if (type === 'magnetshroom') { self.graphics = self.attachAsset('magnetshroom', { anchorX: 0.5, anchorY: 0.5 }); self.graphics.tint = 0x800080; // Purple tint self.cost = 100; self.health = 300; self.maxHealth = 300; self.magnetRange = 200; self.magnetCooldown = 0; self.magnetRate = 120; // Every 2 seconds } self.takeDamage = function (damage) { self.health -= damage; if (self.health <= 0) { self.health = 0; return true; // plant destroyed } return false; }; self.update = function () { if (self.shootCooldown > 0) { self.shootCooldown--; } if (self.type === 'peashooter') { var target = self.findNearestEnemy(); // Shoot if cooldown is ready if (target && self.shootCooldown <= 0) { self.currentTarget = target; self.shoot(target); self.shootCooldown = self.shootRate; } else if (!target) { self.currentTarget = null; } } if (self.type === 'firepeashooter') { var target = self.findNearestEnemy(); // Shoot if cooldown is ready if (target && self.shootCooldown <= 0) { self.currentTarget = target; self.shootFire(target); self.shootCooldown = self.shootRate; } else if (!target) { self.currentTarget = null; } } if (self.type === 'peasfire') { var target = self.findNearestEnemy(); // Shoot if cooldown is ready if (target && self.shootCooldown <= 0) { self.currentTarget = target; self.shootPeasFire(target); self.shootCooldown = self.shootRate; } else if (!target) { self.currentTarget = null; } } if (self.type === 'cactus') { var target = self.findNearestEnemy(); // Shoot if cooldown is ready if (target && self.shootCooldown <= 0) { self.currentTarget = target; self.shootCactusSpike(target); self.shootCooldown = self.shootRate; } else if (!target) { self.currentTarget = null; } } // Sunflower produces sun every 24 seconds (1440 frames at 60fps) if (self.type === 'sunflower') { self.sunProductionTimer++; if (self.sunProductionTimer >= 1440) { self.produceSun(); self.sunProductionTimer = 0; } } // Cherry bomb explosion timer if (self.type === 'cherrybomb' && !self.hasExploded) { self.explosionTimer--; if (self.explosionTimer <= 0) { self.explode(); self.hasExploded = true; } } // Venus fly trap behavior if (self.type === 'venusflytrap') { if (self.attackCooldown > 0) { self.attackCooldown--; } if (self.isEating) { self.eatDuration--; if (self.eatDuration <= 0) { self.isEating = false; // Reset scale after eating tween(self.graphics, { scaleX: 1, scaleY: 1 }, { duration: 300 }); } } else if (self.attackCooldown <= 0) { // Look for enemies in attack range for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2)); if (distance <= self.attackRange) { // Instantly kill enemy enemy.destroy(); enemies.splice(i, 1); resources += 15; updateUI(); // Start eating animation self.isEating = true; self.eatDuration = 120; // 2 seconds self.attackCooldown = 420; // 7 seconds cooldown // Scale up during eating tween(self.graphics, { scaleX: 1.3, scaleY: 1.3 }, { duration: 300 }); LK.getSound('enemyHit').play(); break; } } } } // Bonk choy behavior - punches nearby enemies if (self.type === 'bonkchoy') { if (self.attackCooldown > 0) { self.attackCooldown--; } if (self.attackCooldown <= 0) { // Look for enemies in punch range for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2)); if (distance <= self.attackRange) { var destroyed = enemy.takeDamage(self.damage); if (destroyed) { enemy.destroy(); enemies.splice(i, 1); resources += 10; updateUI(); } self.attackCooldown = self.attackRate; // Punch animation tween(self.graphics, { scaleX: 1.2, scaleY: 1.2 }, { duration: 200, onFinish: function onFinish() { tween(self.graphics, { scaleX: 1, scaleY: 1 }, { duration: 200 }); } }); LK.getSound('enemyHit').play(); break; } } } } // Coconut cannon behavior if (self.type === 'coconutcannon') { var target = self.findNearestEnemy(); if (target && self.shootCooldown <= 0) { self.currentTarget = target; self.shootCoconut(target); self.shootCooldown = self.shootRate; } else if (!target) { self.currentTarget = null; } } // Spikeweed behavior - damages enemies that walk over it if (self.type === 'spikeweed' || self.type === 'spikerock') { for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; if (self.intersects(enemy)) { var destroyed = enemy.takeDamage(self.spikeDamage); if (destroyed) { enemy.destroy(); enemies.splice(i, 1); resources += 10; updateUI(); } // Take damage from contact var plantDestroyed = self.takeDamage(5); if (plantDestroyed) { var plantIndex = plants.indexOf(self); if (plantIndex > -1) { plants.splice(plantIndex, 1); var gridX = Math.floor((self.x - 24) / 100); var gridY = Math.floor((self.y - 800) / 100); if (gridX >= 0 && gridX < gridWidth && gridY >= 0 && gridY < gridHeight) { grid[gridY][gridX] = 0; } self.destroy(); } } LK.getSound('enemyHit').play(); break; } } } // Magnet-shroom behavior - attracts metal objects if (self.type === 'magnetshroom') { if (self.magnetCooldown > 0) { self.magnetCooldown--; } if (self.magnetCooldown <= 0) { // Look for metal enemies or objects in range for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; if (enemy.type === 'tank') { // Tank enemies are metal var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2)); if (distance <= self.magnetRange) { // Store original speed if not already stored if (!enemy.originalSpeed) { enemy.originalSpeed = enemy.speed; } // Slow down metal enemy significantly enemy.speed = enemy.originalSpeed * 0.3; self.magnetCooldown = self.magnetRate; // Visual effect - purple tint to show magnetism tween(enemy.graphics, { tint: 0x800080 }, { duration: 1000, onFinish: function onFinish() { // Restore original speed after effect if (enemy.originalSpeed) { enemy.speed = enemy.originalSpeed; } enemy.graphics.tint = 0xffffff; } }); // Pull enemy slightly towards magnet var pullForce = 0.5; var dx = self.x - enemy.x; var dy = self.y - enemy.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist > 0) { enemy.x += dx / dist * pullForce; enemy.y += dy / dist * pullForce; } break; } } } } } }; self.findNearestEnemy = function () { var nearest = null; var nearestDistance = self.range; for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; // Plant can attack any enemy within range regardless of position var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2)); if (distance < nearestDistance) { nearest = enemy; nearestDistance = distance; } } return nearest; }; self.shoot = function (target) { var bullet = new PlantBullet(self.x, self.y, target, self.damage); bullets.push(bullet); game.addChild(bullet); LK.getSound('plantShoot').play(); }; self.shootFire = function (target) { var fireBullet = new FireBullet(self.x, self.y, target, self.damage); fireBullets.push(fireBullet); game.addChild(fireBullet); LK.getSound('plantShoot').play(); }; self.shootPeasFire = function (target) { var peasFire = new PeasFire(self.x, self.y, target, self.damage); peasFireBullets.push(peasFire); game.addChild(peasFire); LK.getSound('plantShoot').play(); }; self.produceSun = function () { var sun = new Sun(self.x, self.y); suns.push(sun); game.addChild(sun); }; self.shootFireWaves = function () { // Shoot fire waves in both directions var leftWave = new FireWave(self.x, self.y, 'left', self.damage); var rightWave = new FireWave(self.x, self.y, 'right', self.damage); fireWaves.push(leftWave); fireWaves.push(rightWave); game.addChild(leftWave); game.addChild(rightWave); LK.getSound('plantShoot').play(); }; self.shootCoconut = function (target) { var coconut = new CoconutBullet(self.x, self.y, target, self.damage); coconutBullets.push(coconut); game.addChild(coconut); LK.getSound('plantShoot').play(); }; self.shootCactusSpike = function (target) { var cactusSpike = new CactusSpike(self.x, self.y, target, self.damage); cactusSpikes.push(cactusSpike); game.addChild(cactusSpike); LK.getSound('plantShoot').play(); }; self.explode = function () { var explosionRadius = 200; // Damage all enemies in explosion radius for (var i = enemies.length - 1; i >= 0; i--) { var enemy = enemies[i]; var distance = Math.sqrt(Math.pow(enemy.x - self.x, 2) + Math.pow(enemy.y - self.y, 2)); if (distance <= explosionRadius) { var destroyed = enemy.takeDamage(1800); // Massive damage to kill most enemies if (destroyed) { enemy.destroy(); enemies.splice(i, 1); resources += 10; updateUI(); } } } // Remove cherry bomb after explosion var plantIndex = plants.indexOf(self); if (plantIndex > -1) { plants.splice(plantIndex, 1); var gridX = Math.floor((self.x - 24) / 100); var gridY = Math.floor((self.y - 800) / 100); if (gridX >= 0 && gridX < gridWidth && gridY >= 0 && gridY < gridHeight) { grid[gridY][gridX] = 0; } self.destroy(); } }; return self; }); var PlantBullet = Container.expand(function (startX, startY, target, damage) { var self = Container.call(this); self.graphics = self.attachAsset('pea', { anchorX: 0.5, anchorY: 0.5 }); self.x = startX; self.y = startY; self.target = target; self.damage = damage; self.speed = 12; // Calculate direction towards target var dx = target.x - startX; var dy = target.y - startY; var distance = Math.sqrt(dx * dx + dy * dy); self.velocityX = dx / distance * self.speed; self.velocityY = dy / distance * self.speed; self.update = function () { self.x += self.velocityX; self.y += self.velocityY; // Check collision with any enemy for (var i = 0; i < enemies.length; i++) { var enemy = enemies[i]; if (self.intersects(enemy)) { var destroyed = enemy.takeDamage(self.damage); if (destroyed) { // Remove enemy from array var index = enemies.indexOf(enemy); if (index > -1) { enemy.destroy(); enemies.splice(index, 1); resources += 10; updateUI(); } } // Remove bullet var bulletIndex = bullets.indexOf(self); if (bulletIndex > -1) { bullets.splice(bulletIndex, 1); self.destroy(); } LK.getSound('enemyHit').play(); return; // Exit after hitting first enemy } } }; return self; }); var Sun = Container.expand(function (startX, startY) { var self = Container.call(this); self.graphics = self.attachAsset('sun', { anchorX: 0.5, anchorY: 0.5 }); self.x = startX; self.y = startY; self.lifeTime = 600; // 10 seconds at 60fps self.collected = false; self.update = function () { self.lifeTime--; if (self.lifeTime <= 0 && !self.collected) { // Remove sun after timeout var index = suns.indexOf(self); if (index > -1) { suns.splice(index, 1); self.destroy(); } } }; self.down = function () { if (!self.collected) { self.collected = true; resources += 25; updateUI(); // Remove sun var index = suns.indexOf(self); if (index > -1) { suns.splice(index, 1); self.destroy(); } } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x2d5016 }); /**** * Game Code ****/ // Game variables // Grid and UI elements // Plants // Projectiles and effects // Enemies // UI buttons // Sound effects var gridWidth = 20; var gridHeight = 10; var grid = []; var plants = []; var enemies = []; var bullets = []; var moonBullets = []; var fireBullets = []; var peasFireBullets = []; var cactusSpikes = []; var coconutBullets = []; var fireWaves = []; var resources = 100; var playerHealth = 100; var waveNumber = 1; var enemiesInWave = 5; var enemySpawnTimer = 0; var enemiesSpawned = 0; var selectedPlantType = 'peashooter'; var suns = []; var selectedCell = null; // Multiple paths for enemies (horizontal paths from left to right) var enemyPaths = []; var pathRows = [2, 4, 6, 8]; // Multiple lane rows for paths // Create paths for each lane for (var p = 0; p < pathRows.length; p++) { var path = []; for (var i = 0; i <= gridWidth; i++) { path.push({ x: i * 100 + 50, y: 200 + pathRows[p] * 100 + 50 }); } enemyPaths.push(path); } // Initialize grid for (var y = 0; y < gridHeight; y++) { grid[y] = []; for (var x = 0; x < gridWidth; x++) { grid[y][x] = 0; // 0 = empty, 1 = plant, 2 = path } } // Mark path cells (horizontal lanes in multiple rows) for (var p = 0; p < pathRows.length; p++) { for (var i = 0; i < gridWidth; i++) { grid[pathRows[p]][i] = 2; // path in lane rows } } // Create grid visual var gridContainer = game.addChild(new Container()); gridContainer.x = 24; // Center the grid horizontally gridContainer.y = 800; // Move grid down to accommodate horizontal layout for (var y = 0; y < gridHeight; y++) { for (var x = 0; x < gridWidth; x++) { var cell; if (grid[y][x] === 2) { cell = LK.getAsset('pathCell', { anchorX: 0, anchorY: 0 }); } else { cell = LK.getAsset('gridCell', { anchorX: 0, anchorY: 0 }); } cell.x = x * 100; cell.y = y * 100; gridContainer.addChild(cell); } } // UI Elements var resourceText = new Text2('Resources: ' + resources, { size: 40, fill: '#ffffff' }); resourceText.anchor.set(0, 0); LK.gui.topLeft.addChild(resourceText); resourceText.x = 120; resourceText.y = 20; var healthText = new Text2('Health: ' + playerHealth, { size: 40, fill: '#ffffff' }); healthText.anchor.set(0, 0); LK.gui.topLeft.addChild(healthText); healthText.x = 120; healthText.y = 70; var waveText = new Text2('Wave: ' + waveNumber, { size: 40, fill: '#ffffff' }); waveText.anchor.set(0, 0); LK.gui.topLeft.addChild(waveText); waveText.x = 120; waveText.y = 120; // Plant selection buttons var buttonContainer = new Container(); LK.gui.bottom.addChild(buttonContainer); buttonContainer.y = -150; var shooterButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var shooterText = new Text2('Peashooter\n$100', { size: 24, fill: '#ffffff' }); shooterText.anchor.set(0.5, 0.5); shooterButton.addChild(shooterText); shooterButton.x = -200; buttonContainer.addChild(shooterButton); var blockerButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var blockerText = new Text2('Wall-nut\n$50', { size: 24, fill: '#ffffff' }); blockerText.anchor.set(0.5, 0.5); blockerButton.addChild(blockerText); blockerButton.x = 0; buttonContainer.addChild(blockerButton); var supportButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var supportText = new Text2('Sunflower\n$50', { size: 24, fill: '#ffffff' }); supportText.anchor.set(0.5, 0.5); supportButton.addChild(supportText); supportButton.x = 200; buttonContainer.addChild(supportButton); var bombButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var bombText = new Text2('Cherry Bomb\n$150', { size: 24, fill: '#ffffff' }); bombText.anchor.set(0.5, 0.5); bombButton.addChild(bombText); bombButton.x = 400; buttonContainer.addChild(bombButton); var venusButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var venusText = new Text2('Venus Fly Trap\n$175', { size: 20, fill: '#ffffff' }); venusText.anchor.set(0.5, 0.5); venusButton.addChild(venusText); venusButton.x = 600; buttonContainer.addChild(venusButton); var fireButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var fireText = new Text2('Fire Peashooter\n$125', { size: 18, fill: '#ffffff' }); fireText.anchor.set(0.5, 0.5); fireButton.addChild(fireText); fireButton.x = 800; buttonContainer.addChild(fireButton); var peasFireButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var peasFireText = new Text2('Peas Fire\n$150', { size: 18, fill: '#ffffff' }); peasFireText.anchor.set(0.5, 0.5); peasFireButton.addChild(peasFireText); peasFireButton.x = 1000; buttonContainer.addChild(peasFireButton); var bonkchoyButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var bonkchoyText = new Text2('Bonk Choy\n$150', { size: 18, fill: '#ffffff' }); bonkchoyText.anchor.set(0.5, 0.5); bonkchoyButton.addChild(bonkchoyText); bonkchoyButton.x = -400; buttonContainer.addChild(bonkchoyButton); var coconutButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var coconutText = new Text2('Coconut Cannon\n$400', { size: 16, fill: '#ffffff' }); coconutText.anchor.set(0.5, 0.5); coconutButton.addChild(coconutText); coconutButton.x = -1000; buttonContainer.addChild(coconutButton); var tallnutButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var tallnutText = new Text2('Tall-nut\n$125', { size: 18, fill: '#ffffff' }); tallnutText.anchor.set(0.5, 0.5); tallnutButton.addChild(tallnutText); tallnutButton.x = -1200; buttonContainer.addChild(tallnutButton); var spikeweedButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var spikeweedText = new Text2('Spikeweed\n$100', { size: 18, fill: '#ffffff' }); spikeweedText.anchor.set(0.5, 0.5); spikeweedButton.addChild(spikeweedText); spikeweedButton.x = -1400; buttonContainer.addChild(spikeweedButton); var spikerockButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var spikerockText = new Text2('Spikerock\n$200', { size: 18, fill: '#ffffff' }); spikerockText.anchor.set(0.5, 0.5); spikerockButton.addChild(spikerockText); spikerockButton.x = -1600; buttonContainer.addChild(spikerockButton); var cactusButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var cactusText = new Text2('Cactus\n$125', { size: 18, fill: '#ffffff' }); cactusText.anchor.set(0.5, 0.5); cactusButton.addChild(cactusText); cactusButton.x = -600; buttonContainer.addChild(cactusButton); var magnetButton = LK.getAsset('plantButton', { anchorX: 0.5, anchorY: 0.5 }); var magnetText = new Text2('Magnet-shroom\n$100', { size: 16, fill: '#ffffff' }); magnetText.anchor.set(0.5, 0.5); magnetButton.addChild(magnetText); magnetButton.x = -800; buttonContainer.addChild(magnetButton); // Button interactions shooterButton.down = function () { selectedPlantType = 'peashooter'; updateButtonSelection(); }; blockerButton.down = function () { selectedPlantType = 'wallnut'; updateButtonSelection(); }; supportButton.down = function () { selectedPlantType = 'sunflower'; updateButtonSelection(); }; bombButton.down = function () { selectedPlantType = 'cherrybomb'; updateButtonSelection(); }; venusButton.down = function () { selectedPlantType = 'venusflytrap'; updateButtonSelection(); }; fireButton.down = function () { selectedPlantType = 'firepeashooter'; updateButtonSelection(); }; peasFireButton.down = function () { selectedPlantType = 'peasfire'; updateButtonSelection(); }; bonkchoyButton.down = function () { selectedPlantType = 'bonkchoy'; updateButtonSelection(); }; coconutButton.down = function () { selectedPlantType = 'coconutcannon'; updateButtonSelection(); }; tallnutButton.down = function () { selectedPlantType = 'tallnut'; updateButtonSelection(); }; spikeweedButton.down = function () { selectedPlantType = 'spikeweed'; updateButtonSelection(); }; spikerockButton.down = function () { selectedPlantType = 'spikerock'; updateButtonSelection(); }; cactusButton.down = function () { selectedPlantType = 'cactus'; updateButtonSelection(); }; magnetButton.down = function () { selectedPlantType = 'magnetshroom'; updateButtonSelection(); }; function updateButtonSelection() { shooterButton.tint = selectedPlantType === 'peashooter' ? 0x90ee90 : 0xffffff; blockerButton.tint = selectedPlantType === 'wallnut' ? 0x90ee90 : 0xffffff; supportButton.tint = selectedPlantType === 'sunflower' ? 0x90ee90 : 0xffffff; bombButton.tint = selectedPlantType === 'cherrybomb' ? 0x90ee90 : 0xffffff; venusButton.tint = selectedPlantType === 'venusflytrap' ? 0x90ee90 : 0xffffff; fireButton.tint = selectedPlantType === 'firepeashooter' ? 0x90ee90 : 0xffffff; peasFireButton.tint = selectedPlantType === 'peasfire' ? 0x90ee90 : 0xffffff; bonkchoyButton.tint = selectedPlantType === 'bonkchoy' ? 0x90ee90 : 0xffffff; coconutButton.tint = selectedPlantType === 'coconutcannon' ? 0x90ee90 : 0xffffff; tallnutButton.tint = selectedPlantType === 'tallnut' ? 0x90ee90 : 0xffffff; spikeweedButton.tint = selectedPlantType === 'spikeweed' ? 0x90ee90 : 0xffffff; spikerockButton.tint = selectedPlantType === 'spikerock' ? 0x90ee90 : 0xffffff; cactusButton.tint = selectedPlantType === 'cactus' ? 0x90ee90 : 0xffffff; magnetButton.tint = selectedPlantType === 'magnetshroom' ? 0x90ee90 : 0xffffff; } updateButtonSelection(); function updateUI() { resourceText.setText('Resources: ' + resources); healthText.setText('Health: ' + playerHealth); waveText.setText('Wave: ' + waveNumber); } function getPlantCost(type) { switch (type) { case 'peashooter': return 100; case 'firepeashooter': return 125; case 'peasfire': return 150; case 'wallnut': return 50; case 'sunflower': return 50; case 'cherrybomb': return 150; case 'venusflytrap': return 175; case 'bonkchoy': return 150; case 'coconutcannon': return 400; case 'tallnut': return 125; case 'spikeweed': return 100; case 'spikerock': return 200; case 'cactus': return 125; case 'magnetshroom': return 100; default: return 50; } } function placePlant(gridX, gridY) { if (gridX < 0 || gridX >= gridWidth || gridY < 0 || gridY >= gridHeight) return; if (grid[gridY][gridX] !== 0) return; // cell not empty var cost = getPlantCost(selectedPlantType); if (resources < cost) return; var plant = new Plant(selectedPlantType); plant.x = 24 + gridX * 100 + 50; plant.y = 800 + gridY * 100 + 50; plants.push(plant); game.addChild(plant); grid[gridY][gridX] = 1; resources -= cost; updateUI(); LK.getSound('plantPlace').play(); } function spawnEnemy() { var enemyType = 'basic'; if (waveNumber > 3) { var rand = Math.random(); if (rand < 0.25) enemyType = 'fast';else if (rand < 0.5) enemyType = 'tank';else if (rand < 0.7) enemyType = 'moon'; } // Spawn enemies in any available lane var randomLane = Math.floor(Math.random() * pathRows.length); var enemy = new Enemy(enemyType, randomLane); // Spawn enemy at left side of screen at random Y position enemy.x = -50; // Start from left edge enemy.y = 800 + Math.random() * (gridHeight * 100); // Random Y position within grid enemies.push(enemy); game.addChild(enemy); } function startNextWave() { waveNumber++; enemiesInWave = Math.min(5 + waveNumber * 2, 20); enemiesSpawned = 0; enemySpawnTimer = 0; updateUI(); } // Game input handling game.down = function (x, y, obj) { // Check if click is in grid area if (y >= 800 && y < 800 + gridHeight * 100 && x >= 24 && x < 24 + gridWidth * 100) { var gridX = Math.floor((x - 24) / 100); var gridY = Math.floor((y - 800) / 100); placePlant(gridX, gridY); } }; // Main game loop game.update = function () { // Update plants for (var i = plants.length - 1; i >= 0; i--) { plants[i].update(); } // Update enemies for (var i = enemies.length - 1; i >= 0; i--) { enemies[i].update(); } // Update bullets for (var i = bullets.length - 1; i >= 0; i--) { if (bullets[i]) { bullets[i].update(); // Remove bullets that are off screen if (bullets[i] && (bullets[i].x < -50 || bullets[i].x > 2100 || bullets[i].y < -50 || bullets[i].y > 2800)) { bullets[i].destroy(); bullets.splice(i, 1); } } } // Update suns for (var i = suns.length - 1; i >= 0; i--) { suns[i].update(); } // Update moon bullets for (var i = moonBullets.length - 1; i >= 0; i--) { if (moonBullets[i]) { moonBullets[i].update(); } } // Update fire bullets for (var i = fireBullets.length - 1; i >= 0; i--) { if (fireBullets[i]) { fireBullets[i].update(); // Remove fire bullets that are off screen if (fireBullets[i] && (fireBullets[i].x < -50 || fireBullets[i].x > 2100 || fireBullets[i].y < -50 || fireBullets[i].y > 2800)) { fireBullets[i].destroy(); fireBullets.splice(i, 1); } } } // Update peas fire bullets for (var i = peasFireBullets.length - 1; i >= 0; i--) { if (peasFireBullets[i]) { peasFireBullets[i].update(); } } // Update coconut bullets for (var i = coconutBullets.length - 1; i >= 0; i--) { if (coconutBullets[i]) { coconutBullets[i].update(); } } // Update fire waves for (var i = fireWaves.length - 1; i >= 0; i--) { if (fireWaves[i]) { fireWaves[i].update(); } } // Update cactus spikes for (var i = cactusSpikes.length - 1; i >= 0; i--) { if (cactusSpikes[i]) { cactusSpikes[i].update(); } } // Spawn enemies if (enemiesSpawned < enemiesInWave) { enemySpawnTimer++; if (enemySpawnTimer >= 360) { // spawn every 6 seconds spawnEnemy(); enemiesSpawned++; enemySpawnTimer = 0; } } // Check wave completion if (enemiesSpawned >= enemiesInWave && enemies.length === 0) { if (waveNumber >= 10) { LK.showYouWin(); } else { // Bonus resources for completing wave resources += 25; updateUI(); // Start next wave after delay LK.setTimeout(function () { startNextWave(); }, 2000); } } }; // Start first wave enemySpawnTimer = 0; enemiesSpawned = 0;