/**** * Plugins ****/ var tween = LK.import("@upit/tween.v1"); /**** * Classes ****/ // Background class for trees var Background = Container.expand(function () { var self = Container.call(this); // Place fewer trees at new positions var treePositions = [ // Top left { x: 300, y: 300 }, // Top right { x: 2048 - 300, y: 320 }, // Bottom left { x: 350, y: 2732 - 320 }, // Bottom right { x: 2048 - 350, y: 2732 - 300 }, // Center left { x: 500, y: 1366 }, // Center right { x: 2048 - 500, y: 1366 }, // Center { x: 1024, y: 900 }, { x: 1024, y: 2000 }]; for (var i = 0; i < treePositions.length; ++i) { var pos = treePositions[i]; var tree = self.attachAsset('Tree', { anchorX: 0.5, anchorY: 1, x: pos.x, y: pos.y + 110, scaleX: 1 + Math.random() * 0.2, scaleY: 1 + Math.random() * 0.2 }); } return self; }); // Bullet class var Bullet = Container.expand(function () { var self = Container.call(this); var sprite = self.attachAsset('bullet', { anchorX: 0.5, anchorY: 0.5 }); self.radius = 20; self.speed = 48; self.dx = 0; self.dy = 0; self.owner = null; // 'player' or 'enemy' self.damage = 1; self.lifetime = 60; // frames self.age = 0; self.update = function () { self.x += self.dx; self.y += self.dy; self.age++; }; return self; }); // Cover class var Cover = Container.expand(function () { var self = Container.call(this); var sprite = self.attachAsset('cover', { anchorX: 0.5, anchorY: 0.5 }); self.radius = 100; return self; }); // Enemy class var Enemy = Container.expand(function () { var self = Container.call(this); var sprite = self.attachAsset('enemy', { anchorX: 0.5, anchorY: 0.5 }); // Add gun sprite to enemy hand (pistol texture) var gun = self.attachAsset('pistol', { anchorX: 0.1, anchorY: 0.5, scaleX: 1.0, scaleY: 1.0 }); gun.y = 20; // offset to hand gun.x = 40; // offset to right hand self.radius = 60; self.speed = 5 + Math.random() * 2; self.maxHealth = 3; self.health = self.maxHealth; self.shootCooldown = 40 + Math.floor(Math.random() * 20); self.lastShotTick = -100; self.target = null; self.alive = true; self.aimError = 0.2 + Math.random() * 0.2; // radians self.takeDamage = function (amount) { if (!self.alive) return; self.health -= amount; LK.getSound('hit').play(); if (self.health <= 0) { self.health = 0; self.die(); } }; self.die = function () { self.alive = false; LK.getSound('enemy_down').play(); tween(self, { alpha: 0 }, { duration: 400, onFinish: function onFinish() { self.visible = false; } }); }; self.update = function () { if (!self.alive) return; // Move towards player if not too close if (self.target && self.target.alive) { var dx = self.target.x - self.x; var dy = self.target.y - self.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist > 300) { var moveX = dx / dist * self.speed; var moveY = dy / dist * self.speed; // Check for cover collision var blocked = false; for (var i = 0; i < covers.length; ++i) { if (self.intersects(covers[i])) { blocked = true; break; } } if (!blocked) { self.x += moveX; self.y += moveY; } } } // Rotate gun towards player if alive if (self.target && self.target.alive) { var dxg = self.target.x - self.x; var dyg = self.target.y - self.y; gun.rotation = Math.atan2(dyg, dxg); } }; return self; }); // Health pickup class var HealthPickup = Container.expand(function () { var self = Container.call(this); var sprite = self.attachAsset('health', { anchorX: 0.5, anchorY: 0.5 }); self.radius = 30; self.healAmount = 2; return self; }); // Player class var Player = Container.expand(function () { var self = Container.call(this); var sprite = self.attachAsset('player', { anchorX: 0.5, anchorY: 0.5 }); // Add gun sprite (pistol texture) var gun = self.attachAsset('pistol', { anchorX: 0.1, // grip of gun at hand anchorY: 0.5, scaleX: 1.0, scaleY: 1.0 }); gun.y = 20; // offset to hand gun.x = 40; // offset to right hand self.radius = 60; self.speed = 9; self.maxHealth = 100; self.health = self.maxHealth; self.ammo = 6; self.maxAmmo = 6; self.reloadTime = 60; // frames self.reloadCounter = 0; self.isReloading = false; self.lastShotTick = -100; self.shootCooldown = 6; // frames (0.1 seconds at 60FPS) self.alive = true; self.takeDamage = function (amount) { if (!self.alive) return; self.health -= amount; LK.getSound('hit').play(); if (self.health <= 0) { self.health = 0; self.die(); } }; self.die = function () { self.alive = false; LK.getSound('player_down').play(); tween(self, { alpha: 0 }, { duration: 400, onFinish: function onFinish() { self.visible = false; } }); }; self.heal = function (amount) { self.health += amount; if (self.health > self.maxHealth) self.health = self.maxHealth; }; self.reload = function () { if (self.isReloading || self.ammo === self.maxAmmo) return; self.isReloading = true; self.reloadCounter = self.reloadTime; }; self.update = function () { if (!self.alive) return; if (self.isReloading) { self.reloadCounter--; if (self.reloadCounter <= 0) { self.ammo = self.maxAmmo; self.isReloading = false; } } // Rotate gun towards last aim/touch position var dx = 0, dy = 0; if (typeof lastTouchX !== "undefined" && typeof lastTouchY !== "undefined") { dx = lastTouchX - self.x; dy = lastTouchY - self.y; } gun.rotation = Math.atan2(dy, dx); }; return self; }); /**** * Initialize Game ****/ var game = new LK.Game({ backgroundColor: 0x181c24 }); /**** * Game Code ****/ // Game state variables // Player character: blue box // Enemy: red box // Bullet: yellow ellipse // Cover: dark gray box // Health pickup: green ellipse // Sound for shooting // Sound for pickup // Sound for hit // Sound for enemy down // Sound for player down var player; var enemies = []; var bullets = []; var covers = []; var healthPickups = []; var round = 1; var maxRounds = 20; // 10 more rounds var enemyCount = 2; var bulletDamage = 1; // Bullet damage, increases each round var enemyStrengthMultiplier = 1; // Multiplier for enemy health and damage var dragging = false; var dragOffsetX = 0; var dragOffsetY = 0; var aimX = 0; var aimY = 0; var lastTouchX = 0; var lastTouchY = 0; var gameState = 'playing'; // 'playing', 'win', 'lose' var roundResetTimer = 0; // UI var scoreTxt = new Text2('Round 1', { size: 90, fill: 0xFFFFFF }); scoreTxt.anchor.set(0.5, 0); LK.gui.top.addChild(scoreTxt); var healthTxt = new Text2('♥♥♥♥♥', { size: 80, fill: 0x3BE14D }); healthTxt.anchor.set(0, 0); LK.gui.topRight.addChild(healthTxt); var ammoTxt = new Text2('Ammo: 6/6', { size: 80, fill: 0xFFE14D }); ammoTxt.anchor.set(1, 0); LK.gui.topLeft.addChild(ammoTxt); // Helper: clamp function clamp(val, min, max) { if (val < min) return min; if (val > max) return max; return val; } // Helper: reset round function resetRound() { // Remove all objects for (var i = 0; i < enemies.length; ++i) enemies[i].destroy(); for (var i = 0; i < bullets.length; ++i) bullets[i].destroy(); for (var i = 0; i < healthPickups.length; ++i) healthPickups[i].destroy(); enemies = []; bullets = []; healthPickups = []; // Reset player player.x = 2048 / 2; player.y = 2732 - 350; player.health = player.maxHealth; player.ammo = player.maxAmmo; player.isReloading = false; player.reloadCounter = 0; player.alive = true; player.alpha = 1; player.visible = true; // Set enemy strength multiplier for rounds 11-20 enemyStrengthMultiplier = round > 10 ? 5 : 1; // Spawn enemies for (var i = 0; i < enemyCount; ++i) { var e = new Enemy(); // If round > 10, swap to enemy2 texture if (round > 10 && e.children && e.children.length > 0) { // Remove old enemy sprite e.removeChildAt(0); // Add enemy2 sprite var enemy2Sprite = e.attachAsset('enemy2', { anchorX: 0.5, anchorY: 0.5 }); // Re-add gun to hand (as second child) var gun = e.attachAsset('pistol', { anchorX: 0.1, anchorY: 0.5, scaleX: 1.0, scaleY: 1.0 }); gun.y = 20; gun.x = 40; } // Place enemies at top of map, spread out e.x = 400 + i * 400 + Math.random() * 100; e.y = 400 + Math.random() * 100; e.target = player; // Apply 5x health for rounds 11-20 e.maxHealth = Math.floor(e.maxHealth * enemyStrengthMultiplier) + (round - 1); e.health = e.maxHealth; // Increase enemy damage by +1 per round e.baseDamage = 1 + (round - 1); // Optionally, you could also increase enemy damage or speed here if desired enemies.push(e); game.addChild(e); } // Spawn health pickups at random locations every round var healthPickupCount = 1 + Math.floor(Math.random() * 2); // 1 or 2 per round for (var h = 0; h < healthPickupCount; ++h) { var hp = new HealthPickup(); // Avoid spawning too close to player start or out of bounds var safeMargin = 150; var px, py; var tries = 0; do { px = safeMargin + Math.random() * (2048 - 2 * safeMargin); py = safeMargin + Math.random() * (2732 - 2 * safeMargin); tries++; // Avoid center spawn (player start) } while (Math.abs(px - 2048 / 2) < 200 && Math.abs(py - (2732 - 350)) < 200 && tries < 10); hp.x = px; hp.y = py; healthPickups.push(hp); game.addChild(hp); } // Update UI scoreTxt.setText('Round ' + round); updateHealthUI(); updateAmmoUI(); gameState = 'playing'; } // Helper: update health UI function updateHealthUI() { var s = ''; for (var i = 0; i < player.health; ++i) s += '♥'; for (var i = player.health; i < player.maxHealth; ++i) s += '♡'; healthTxt.setText(s); } // Helper: update ammo UI function updateAmmoUI() { if (player.isReloading) { ammoTxt.setText('Reloading...'); } else { ammoTxt.setText('Ammo: ' + player.ammo + '/' + player.maxAmmo); } } // Helper: spawn covers function spawnCovers() { for (var i = 0; i < covers.length; ++i) covers[i].destroy(); covers = []; // Place 3 covers var c1 = new Cover(); c1.x = 2048 / 2; c1.y = 1200; covers.push(c1); game.addChild(c1); var c2 = new Cover(); c2.x = 600; c2.y = 1800; covers.push(c2); game.addChild(c2); var c3 = new Cover(); c3.x = 2048 - 600; c3.y = 1800; covers.push(c3); game.addChild(c3); } // Helper: check line of sight (simple, ignores covers for MVP) function hasLineOfSight(ax, ay, bx, by) { // For MVP, always true return true; } // Helper: shoot bullet function shootBullet(from, toX, toY, owner) { var b = new Bullet(); b.x = from.x; b.y = from.y; var dx = toX - from.x; var dy = toY - from.y; var dist = Math.sqrt(dx * dx + dy * dy); b.dx = dx / dist * b.speed; b.dy = dy / dist * b.speed; b.owner = owner; b.rotation = Math.atan2(dy, dx); // Set bullet damage based on round if (owner === 'enemy' && from.baseDamage !== undefined) { b.damage = from.baseDamage; } else { b.damage = bulletDamage; } bullets.push(b); game.addChild(b); LK.getSound('shoot').play(); } // Helper: check collision (circle) function circlesCollide(a, b) { var dx = a.x - b.x; var dy = a.y - b.y; var dist = Math.sqrt(dx * dx + dy * dy); return dist < a.radius + b.radius - 10; } // Add background texture behind all gameplay elements var backgroundTexture = LK.getAsset('Background', { anchorX: 0, anchorY: 0, x: 0, y: 0, scaleX: 2048 / 1000, scaleY: 2732 / 1024 }); game.addChild(backgroundTexture); // Add background with trees above the background texture var background = new Background(); game.addChild(background); // Initialize player player = new Player(); player.x = 2048 / 2; player.y = 2732 - 350; game.addChild(player); // Initialize covers spawnCovers(); // Start first round resetRound(); // Touch controls: drag to move, tap to shoot game.down = function (x, y, obj) { if (gameState !== 'playing') return; // If touch is on player, start dragging var dx = x - player.x; var dy = y - player.y; if (dx * dx + dy * dy < player.radius * player.radius) { dragging = true; dragOffsetX = player.x - x; dragOffsetY = player.y - y; } else { // Else, shoot if possible if (!player.isReloading && player.ammo > 0 && player.alive) { var now = LK.ticks; if (now - player.lastShotTick >= player.shootCooldown) { shootBullet(player, x, y, 'player'); player.ammo--; player.lastShotTick = now; updateAmmoUI(); if (player.ammo === 0) { player.reload(); updateAmmoUI(); } } } } lastTouchX = x; lastTouchY = y; }; game.move = function (x, y, obj) { if (gameState !== 'playing') return; if (dragging && player.alive) { // Move player, clamp to map var nx = clamp(x + dragOffsetX, player.radius, 2048 - player.radius); var ny = clamp(y + dragOffsetY, player.radius, 2732 - player.radius); // Prevent moving into covers var blocked = false; for (var i = 0; i < covers.length; ++i) { if (Math.abs(nx - covers[i].x) < player.radius + covers[i].radius - 30 && Math.abs(ny - covers[i].y) < player.radius + covers[i].radius - 30) { blocked = true; break; } } if (!blocked) { player.x = nx; player.y = ny; } } lastTouchX = x; lastTouchY = y; }; game.up = function (x, y, obj) { dragging = false; }; // Main update loop game.update = function () { if (gameState === 'win' || gameState === 'lose') { roundResetTimer--; if (roundResetTimer <= 0) { if (gameState === 'win') { round++; bulletDamage += 0.5; // Increase bullet damage each round player.maxHealth += 1; // Increase player's maxHealth each round if (round > maxRounds) { LK.showYouWin(); return; } enemyCount = Math.min(6, 2 + Math.floor(round / 2)); } resetRound(); } return; } // Update player player.update(); // Update enemies for (var i = enemies.length - 1; i >= 0; --i) { var e = enemies[i]; e.update(); // Enemy shoot at player if in range and cooldown ready if (e.alive && player.alive) { var dx = player.x - e.x; var dy = player.y - e.y; var dist = Math.sqrt(dx * dx + dy * dy); if (dist < 1200 && hasLineOfSight(e.x, e.y, player.x, player.y)) { var now = LK.ticks; if (now - e.lastShotTick >= e.shootCooldown) { // Add aim error var angle = Math.atan2(dy, dx) + (Math.random() - 0.5) * e.aimError; var tx = e.x + Math.cos(angle) * 2000; var ty = e.y + Math.sin(angle) * 2000; shootBullet(e, tx, ty, 'enemy'); e.lastShotTick = now; } } } } // Update bullets for (var i = bullets.length - 1; i >= 0; --i) { var b = bullets[i]; b.update(); // Remove if out of bounds or too old if (b.x < -100 || b.x > 2148 || b.y < -100 || b.y > 2832 || b.age > b.lifetime) { b.destroy(); bullets.splice(i, 1); continue; } // Check collision with covers var hitCover = false; for (var j = 0; j < covers.length; ++j) { if (circlesCollide(b, covers[j])) { hitCover = true; break; } } if (hitCover) { b.destroy(); bullets.splice(i, 1); continue; } // Check collision with enemies if (b.owner === 'player') { for (var j = 0; j < enemies.length; ++j) { var e = enemies[j]; if (e.alive && circlesCollide(b, e)) { e.takeDamage(b.damage); b.destroy(); bullets.splice(i, 1); break; } } } // Check collision with player if (b.owner === 'enemy' && player.alive && circlesCollide(b, player)) { player.takeDamage(b.damage); updateHealthUI(); b.destroy(); bullets.splice(i, 1); if (!player.alive) { gameState = 'lose'; roundResetTimer = 90; LK.effects.flashScreen(0xff0000, 800); LK.showGameOver(); } break; } } // Remove dead enemies for (var i = enemies.length - 1; i >= 0; --i) { if (!enemies[i].alive && enemies[i].alpha <= 0.01) { enemies[i].destroy(); enemies.splice(i, 1); } } // Update health pickups for (var i = healthPickups.length - 1; i >= 0; --i) { var hp = healthPickups[i]; if (player.alive && circlesCollide(player, hp)) { player.heal(hp.healAmount); updateHealthUI(); LK.getSound('pickup').play(); hp.destroy(); healthPickups.splice(i, 1); } } // Win condition: all enemies dead var allDead = true; for (var i = 0; i < enemies.length; ++i) { if (enemies[i].alive) { allDead = false; break; } } if (allDead && gameState === 'playing') { gameState = 'win'; roundResetTimer = 60; LK.effects.flashScreen(0x3be14d, 600); } // Update UI updateAmmoUI(); }; /* End of game code */