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No:51575

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Shooting Game
Developer Winnerweiner2113｜Date and time 24/3/13 10:23:00
Build time 12.337 sec｜Game capacity 3.425KB｜

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

<!DOCTYPE html>
<html>
<head>
    <title>Shooting Game</title>
    <style>
        canvas {
            border: 1px solid black;
        }
    </style>
</head>
<body>
    <canvas id="gameCanvas" width="800" height="600"></canvas>

let player = {
            x: 50,
            y: canvas.height / 2,
            width: 50,
            height: 50,
            speed: 5
        };

let bullets = [];
        let enemies = [];

function drawPlayer() {
            ctx.fillStyle = "blue";
            ctx.fillRect(player.x, player.y, player.width, player.height);
        }

function updateBullets() {
            bullets = bullets.filter(bullet => bullet.x < canvas.width);
            bullets.forEach(bullet => {
                bullet.x += 5;
            });
        }

function drawBullets() {
            ctx.fillStyle = "red";
            bullets.forEach(bullet => {
                ctx.fillRect(bullet.x, bullet.y, 10, 5);
            });
        }

function spawnEnemy() {
            let enemy = {
                x: canvas.width,
                y: Math.random() * canvas.height,
                width: 50,
                height: 50
            };
            enemies.push(enemy);
        }

function updateEnemies() {
            enemies = enemies.filter(enemy => enemy.x > 0);
            enemies.forEach(enemy => {
                enemy.x -= 2;
            });
        }

function drawEnemies() {
            ctx.fillStyle = "green";
            enemies.forEach(enemy => {
                ctx.fillRect(enemy.x, enemy.y, enemy.width, enemy.height);
            });
        }

function gameLoop() {
            ctx.clearRect(0, 0, canvas.width, canvas.height);
            drawPlayer();
            updateBullets();
            drawBullets();
            updateEnemies();
            drawEnemies();
            checkCollisions();
            spawnEnemy();
            requestAnimationFrame(gameLoop);
        }

gameLoop();