Recrea a space invaders y que el botón de arriba sea para disparar,y que los enemigos te disparen y agregar en el inicio un botón para poner multijugador que hace que tu amigo te ayude's game

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No:40463

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Recrea a space invaders y que el botón de arriba s..ALL
Developer User18058｜Date and time 24/2/3 1:06:30
Build time 14.599 sec｜Game capacity 4.1KB｜

Script

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[PR]現在の売れ筋ゲームアプリランキング

Click here for free DL of the app version that can save data.

<!DOCTYPE html>
<html>
<head>
    <title>Space Invaders</title>
    <script>
        document.addEventListener("DOMContentLoaded", function(event) { 
            var canvas = document.getElementById("game-canvas");
            var ctx = canvas.getContext("2d");

// Player
            var player = {
                x: canvas.width / 2,
                y: canvas.height - 50,
                width: 40,
                height: 30,
                speed: 5
            };

// Bullet
            var bullet = {
                x: 0,
                y: 0,
                width: 5,
                height: 20,
                speed: 5,
                visible: false
            };

// Enemy
            var enemy = {
                x: canvas.width / 2,
                y: 30,
                width: 40,
                height: 30,
                speed: 2,
                visible: true
            };

// Multiplayer flag
            var multiplayer = false;

function update() {
                ctx.clearRect(0, 0, canvas.width, canvas.height);

// Draw the player
                ctx.fillStyle = "#0095DD";
                ctx.fillRect(player.x, player.y, player.width, player.height);

// Draw the bullet
                if (bullet.visible) {
                    ctx.fillStyle = "#FF0000";
                    ctx.fillRect(bullet.x, bullet.y, bullet.width, bullet.height);
                }

// Draw the enemy
                if (enemy.visible) {
                    ctx.fillStyle = "#00FF00";
                    ctx.fillRect(enemy.x, enemy.y, enemy.width, enemy.height);
                }

// Move the bullet
                if (bullet.visible) {
                    bullet.y -= bullet.speed;

if (bullet.y < 0) {
                        bullet.visible = false;
                    }
                }

// Move the enemy
                enemy.x += enemy.speed;

if (enemy.x + enemy.width > canvas.width || enemy.x < 0) {
                    enemy.speed *= -1;
                }

// Check collision between bullet and enemy
                if (bullet.visible && collision(bullet, enemy)) {
                    enemy.visible = false;
                    bullet.visible = false;
                    alert("Game Over! You won!");
                }

// Check collision between player and enemy
                if (collision(player, enemy) || enemy.y + enemy.height >= player.y) {
                    alert("Game Over! You lost!");
                }

requestAnimationFrame(update);
            }

function handleKeyDown(event) {
                if (event.keyCode === 38 && !bullet.visible) { // Up Arrow key
                    bullet.x = player.x + player.width / 2 - bullet.width / 2;
                    bullet.y = player.y;
                    bullet.visible = true;
                }
            }

function handleMultiplayerButtonClick() {
                multiplayer = !multiplayer;
                var multiplayerButton = document.getElementById("multiplayer-btn");
                multiplayerButton.innerText = multiplayer ? "Juego individual" : "Juego multijugador";
            }

function collision(object1, object2) {
                return object1.x < object2.x + object2.width &&
                    object1.x + object1.width > object2.x &&
                    object1.y < object2.y + object2.height &&
                    object1.y + object1.height > object2.y;
            }

// Setup event listeners
            document.addEventListener("keydown", handleKeyDown);
            document.getElementById("multiplayer-btn").addEventListener("click", handleMultiplayerButtonClick);

// Start the game
            update();
        });
    </script>
</head>
<body>
    <canvas id="game-canvas" width="800" height="600"></canvas>
    <button id="multiplayer-btn">Juego multijugador</button>
</body>
</html>