/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); var storage = LK.import("@upit/storage.v1"); /**** * Classes ****/ var Pea = Container.expand(function () { var self = Container.call(this); var peaGraphics = self.attachAsset('pea', { anchorX: 0.5, anchorY: 0.5 }); self.speed = 8; self.damage = 20; self.update = function () { self.x -= self.speed; }; return self; }); var Peashooter = Container.expand(function () { var self = Container.call(this); var shooterGraphics = self.attachAsset('peashooter', { anchorX: 0.5, anchorY: 0.5 }); self.maxHp = 300; self.hp = 300; self.shootCooldown = 0; self.shootInterval = 90; self.cost = 100; self.update = function () { if (self.shootCooldown > 0) { self.shootCooldown--; } }; return self; }); var PlantCard = Container.expand(function (type, cost, cooldown) { var self = Container.call(this); var cardGraphics = self.attachAsset('gridCell', { anchorX: 0.5, anchorY: 0.5 }); var typeText = new Text2(type, { size: 30, fill: 0xFFFFFF }); typeText.anchor.set(0.5, 0.5); typeText.x = 0; typeText.y = -15; self.addChild(typeText); var costText = new Text2(cost, { size: 25, fill: 0xFFEB3B }); costText.anchor.set(0.5, 0.5); costText.x = 0; costText.y = 15; self.addChild(costText); self.type = type; self.cost = cost; self.cooldown = 0; self.maxCooldown = cooldown; return self; }); var Sun = Container.expand(function () { var self = Container.call(this); var sunGraphics = self.attachAsset('sun', { anchorX: 0.5, anchorY: 0.5 }); self.value = 25; self.fallSpeed = 3; self.collected = false; self.update = function () { if (!self.collected) { self.y += self.fallSpeed; } }; return self; }); var Sunflower = Container.expand(function () { var self = Container.call(this); var flowerGraphics = self.attachAsset('sunflower', { anchorX: 0.5, anchorY: 0.5 }); self.maxHp = 300; self.hp = 300; self.sunCooldown = 0; self.sunInterval = 1200; self.cost = 50; self.update = function () { if (self.sunCooldown > 0) { self.sunCooldown--; } }; return self; }); var Walnut = Container.expand(function () { var self = Container.call(this); var walnutGraphics = self.attachAsset('walnut', { anchorX: 0.5, anchorY: 0.5 }); self.maxHp = 4000; self.hp = 4000; self.cost = 50; return self; }); var Zombie = Container.expand(function () { var self = Container.call(this); var zombieGraphics = self.attachAsset('zombie', { anchorX: 0.5, anchorY: 0.5 }); self.maxHp = 200; self.hp = 200; self.speed = 1; self.eatingPlant = null; self.eatDamage = 100; self.eatInterval = 60; self.eatCounter = 0; self.update = function () { if (!self.eatingPlant) { self.x -= self.speed; } else { self.eatCounter++; if (self.eatCounter >= self.eatInterval) { self.eatingPlant.hp -= self.eatDamage; self.eatCounter = 0; } } }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x558b2f }); /**** * Game Code ****/ var grid = []; var plants = []; var zombies = []; var peas = []; var suns = []; var selectedPlantType = null; var sunCount = 100; var waveCount = 1; var zombieSpawnCounter = 0; var sunSpawnCounter = 0; var gameOver = false; var GRID_ROWS = 5; var GRID_COLS = 10; var CELL_SIZE = 100; var GRID_START_X = 250; var GRID_START_Y = 400; function initializeGrid() { for (var row = 0; row < GRID_ROWS; row++) { grid[row] = []; for (var col = 0; col < GRID_COLS; col++) { grid[row][col] = null; var cellGraphics = game.addChild(LK.getAsset('gridCell', { anchorX: 0.5, anchorY: 0.5 })); cellGraphics.x = GRID_START_X + col * CELL_SIZE + CELL_SIZE / 2; cellGraphics.y = GRID_START_Y + row * CELL_SIZE + CELL_SIZE / 2; cellGraphics.alpha = 0.3; } } } function getGridPosition(col, row) { return { x: GRID_START_X + col * CELL_SIZE + CELL_SIZE / 2, y: GRID_START_Y + row * CELL_SIZE + CELL_SIZE / 2 }; } function getGridCell(x, y) { var relX = x - GRID_START_X; var relY = y - GRID_START_Y; var col = Math.floor(relX / CELL_SIZE); var row = Math.floor(relY / CELL_SIZE); if (col >= 0 && col < GRID_COLS && row >= 0 && row < GRID_ROWS) { return { col: col, row: row }; } return null; } function createSeedBank() { var bankX = 100; var bankY = 450; var peashooterCard = game.addChild(new PlantCard('Pea', 100, 0)); peashooterCard.x = bankX; peashooterCard.y = bankY; peashooterCard.plantType = 'peashooter'; var sunflowerCard = game.addChild(new PlantCard('Sun', 50, 0)); sunflowerCard.x = bankX; sunflowerCard.y = bankY + 120; sunflowerCard.plantType = 'sunflower'; var walnutCard = game.addChild(new PlantCard('Nut', 50, 0)); walnutCard.x = bankX; walnutCard.y = bankY + 240; walnutCard.plantType = 'walnut'; } function spawnZombie() { var newZombie = game.addChild(new Zombie()); var randomRow = Math.floor(Math.random() * GRID_ROWS); var spawnPos = getGridPosition(GRID_COLS, randomRow); newZombie.x = spawnPos.x; newZombie.y = spawnPos.y; newZombie.gridRow = randomRow; newZombie.lastX = newZombie.x; zombies.push(newZombie); return newZombie; } function spawnSun(fromFlower) { var newSun = game.addChild(new Sun()); if (fromFlower) { newSun.x = fromFlower.x; newSun.y = fromFlower.y; } else { newSun.x = Math.random() * (GRID_START_X + GRID_COLS * CELL_SIZE - GRID_START_X) + GRID_START_X; newSun.y = GRID_START_Y; } newSun.lastY = newSun.y; suns.push(newSun); return newSun; } var sunCountDisplay = new Text2('Sun: 100', { size: 60, fill: 0xFFEB3B }); sunCountDisplay.anchor.set(0.5, 0); LK.gui.top.addChild(sunCountDisplay); var waveDisplay = new Text2('Wave: 1', { size: 50, fill: 0xFFFFFF }); waveDisplay.anchor.set(0.5, 0); waveDisplay.y = 80; LK.gui.top.addChild(waveDisplay); initializeGrid(); createSeedBank(); var zombieSpawnTimer = LK.setInterval(function () { if (!gameOver && zombies.length < 3 + waveCount) { spawnZombie(); } }, 3000); var sunSpawnTimer = LK.setInterval(function () { if (!gameOver) { spawnSun(null); } }, 1200); game.down = function (x, y, obj) { if (gameOver) return; var cell = getGridCell(x, y); if (cell && grid[cell.row][cell.col] === null && selectedPlantType) { if (sunCount >= 50) { var plantPos = getGridPosition(cell.col, cell.row); var newPlant; if (selectedPlantType === 'peashooter') { if (sunCount < 100) return; newPlant = game.addChild(new Peashooter()); sunCount -= 100; } else if (selectedPlantType === 'sunflower') { newPlant = game.addChild(new Sunflower()); sunCount -= 50; } else if (selectedPlantType === 'walnut') { newPlant = game.addChild(new Walnut()); sunCount -= 50; } newPlant.x = plantPos.x; newPlant.y = plantPos.y; newPlant.gridCol = cell.col; newPlant.gridRow = cell.row; newPlant.type = selectedPlantType; grid[cell.row][cell.col] = newPlant; plants.push(newPlant); LK.getSound('plantPlace').play(); sunCountDisplay.setText('Sun: ' + sunCount); } } else if (x < 200 && y > 400) { var bankY = 450; if (y > bankY - 50 && y < bankY + 50) { selectedPlantType = 'peashooter'; } else if (y > bankY + 70 && y < bankY + 170) { selectedPlantType = 'sunflower'; } else if (y > bankY + 190 && y < bankY + 290) { selectedPlantType = 'walnut'; } } }; game.update = function () { if (gameOver) return; for (var p = plants.length - 1; p >= 0; p--) { var plant = plants[p]; if (plant.hp <= 0) { grid[plant.gridRow][plant.gridCol] = null; plant.destroy(); plants.splice(p, 1); continue; } if (plant.type === 'peashooter') { plant.shootCooldown--; if (plant.shootCooldown <= 0) { var closestZombie = null; var closestDist = 500; for (var z = 0; z < zombies.length; z++) { var zombie = zombies[z]; if (zombie.gridRow === plant.gridRow || Math.abs(zombie.gridRow - plant.gridRow) <= 1) { var dist = Math.abs(zombie.x - plant.x); if (dist < closestDist) { closestDist = dist; closestZombie = zombie; } } } if (closestZombie) { var newPea = game.addChild(new Pea()); newPea.x = plant.x; newPea.y = plant.y; newPea.targetZombie = closestZombie; newPea.lastX = newPea.x; peas.push(newPea); LK.getSound('shoot').play(); plant.shootCooldown = plant.shootInterval; } } } else if (plant.type === 'sunflower') { plant.sunCooldown--; if (plant.sunCooldown <= 0) { spawnSun(plant); plant.sunCooldown = plant.sunInterval; } } } for (var s = suns.length - 1; s >= 0; s--) { var sun = suns[s]; if (!sun.collected && sun.y > GRID_START_Y + GRID_ROWS * CELL_SIZE + 100) { sun.destroy(); suns.splice(s, 1); continue; } } for (var pe = peas.length - 1; pe >= 0; pe--) { var pea = peas[pe]; if (pea.x < 0 || !pea.targetZombie) { pea.destroy(); peas.splice(pe, 1); continue; } if (pea.intersects(pea.targetZombie)) { pea.targetZombie.hp -= pea.damage; LK.getSound('zombieHit').play(); pea.destroy(); peas.splice(pe, 1); continue; } } for (var z = zombies.length - 1; z >= 0; z--) { var zombie = zombies[z]; if (zombie.hp <= 0) { LK.setScore(LK.getScore() + 50); zombie.destroy(); zombies.splice(z, 1); continue; } if (zombie.x < GRID_START_X - 50) { LK.showGameOver(); gameOver = true; LK.clearInterval(zombieSpawnTimer); LK.clearInterval(sunSpawnTimer); return; } var plantAtRow = null; for (var col = GRID_COLS - 1; col >= 0; col--) { if (grid[zombie.gridRow][col] !== null) { plantAtRow = grid[zombie.gridRow][col]; break; } } if (plantAtRow && Math.abs(zombie.x - plantAtRow.x) < CELL_SIZE / 2 + 35) { if (zombie.eatingPlant !== plantAtRow) { zombie.eatingPlant = plantAtRow; zombie.eatCounter = 0; } } else { zombie.eatingPlant = null; } if (!zombie.eatingPlant) { zombie.lastX = zombie.x; } } if (zombies.length === 0 && LK.ticks % 60 === 0) { waveCount++; waveDisplay.setText('Wave: ' + waveCount); } };