Games-code/GalacticVanguard.html at main · MilindLate/Games-code · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Galactic Vanguard</title>
    <style>
        body { margin: 0; background: #020205; overflow: hidden; font-family: 'Segoe UI', sans-serif; }
        canvas { display: block; }
        #overlay {
            position: absolute; top: 20px; left: 20px; color: #00f2ff;
            text-shadow: 0 0 10px #00f2ff; font-size: 20px; pointer-events: none;
        }
    </style>
</head>
<body>
    <div id="overlay">SCORE: <span id="score">0</span></div>
    <canvas id="gameCanvas"></canvas>

<script>
    const canvas = document.getElementById('gameCanvas');
    const ctx = canvas.getContext('2d');
    canvas.width = window.innerWidth;
    canvas.height = window.innerHeight;

    let score = 0;
    const particles = [];
    const bullets = [];
    const enemies = [];
    const stars = Array.from({length: 100}, () => ({
        x: Math.random() * canvas.width,
        y: Math.random() * canvas.height,
        s: Math.random() * 2
    }));

    const player = {
        x: canvas.width / 2,
        y: canvas.height - 80,
        w: 40, h: 40,
        vx: 0,
        friction: 0.9,
        accel: 0.8
    };

    const keys = {};
    window.addEventListener('keydown', e => keys[e.code] = true);
    window.addEventListener('keyup', e => keys[e.code] = false);

    class Particle {
        constructor(x, y, color) {
            this.x = x; this.y = y;
            this.v = { x: (Math.random()-0.5)*8, y: (Math.random()-0.5)*8 };
            this.alpha = 1;
            this.color = color;
        }
        draw() {
            ctx.globalAlpha = this.alpha;
            ctx.fillStyle = this.color;
            ctx.beginPath();
            ctx.arc(this.x, this.y, 2, 0, Math.PI*2);
            ctx.fill();
        }
        update() {
            this.x += this.v.x; this.y += this.v.y;
            this.alpha -= 0.02;
        }
    }

    function createExplosion(x, y, color) {
        for(let i=0; i<15; i++) particles.push(new Particle(x, y, color));
    }

    function update() {
        // Starfield
        stars.forEach(s => {
            s.y += s.s;
            if(s.y > canvas.height) s.y = 0;
        });

        // Player Physics (Smooth Movement)
        if (keys['ArrowLeft']) player.vx -= player.accel;
        if (keys['ArrowRight']) player.vx += player.accel;
        player.vx *= player.friction;
        player.x += player.vx;
        player.x = Math.max(0, Math.min(canvas.width - player.w, player.x));

        if (keys['Space'] && (bullets.length === 0 || bullets[bullets.length-1].y < player.y - 100)) {
            bullets.push({ x: player.x + player.w/2 - 2, y: player.y, w: 4, h: 20 });
        }

        bullets.forEach((b, i) => {
            b.y -= 12;
            if (b.y < 0) bullets.splice(i, 1);
        });

        enemies.forEach((e, ei) => {
            e.y += e.speed;
            // Collision Logic
            bullets.forEach((b, bi) => {
                if (b.x < e.x + e.w && b.x + b.w > e.x && b.y < e.y + e.h) {
                    createExplosion(e.x + e.w/2, e.y + e.h/2, '#ff4d4d');
                    enemies.splice(ei, 1);
                    bullets.splice(bi, 1);
                    score += 10;
                    document.getElementById('score').innerText = score;
                }
            });
            if (e.y > canvas.height) enemies.splice(ei, 1);
        });

        particles.forEach((p, i) => {
            p.update();
            if(p.alpha <= 0) particles.splice(i, 1);
        });

        if (Math.random() < 0.04) enemies.push({
            x: Math.random() * (canvas.width - 40), y: -50,
            w: 40, h: 40, speed: 3 + Math.random() * 2
        });
    }

    function draw() {
        ctx.fillStyle = '#020205';
        ctx.fillRect(0, 0, canvas.width, canvas.height);

        // Draw Stars
        ctx.fillStyle = '#fff';
        stars.forEach(s => ctx.fillRect(s.x, s.y, s.s, s.s));

        // Draw Player (Neon Glow)
        ctx.shadowBlur = 15;
        ctx.shadowColor = '#00f2ff';
        ctx.fillStyle = '#00f2ff';
        ctx.beginPath();
        ctx.moveTo(player.x + player.w/2, player.y);
        ctx.lineTo(player.x, player.y + player.h);
        ctx.lineTo(player.x + player.w, player.y + player.h);
        ctx.fill();
        ctx.shadowBlur = 0;

        // Draw Bullets
        ctx.fillStyle = '#00f2ff';
        bullets.forEach(b => ctx.fillRect(b.x, b.y, b.w, b.h));

        // Draw Enemies
        enemies.forEach(e => {
            ctx.fillStyle = '#ff4d4d';
            ctx.shadowBlur = 10;
            ctx.shadowColor = '#ff4d4d';
            ctx.fillRect(e.x, e.y, e.w, e.h);
        });
        ctx.shadowBlur = 0;

        particles.forEach(p => p.draw());
        ctx.globalAlpha = 1;

        requestAnimationFrame(() => { update(); draw(); });
    }
    draw();
</script>
</body>
</html>