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No:26461

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Asteroids
Developer User11298｜Date and time 23/12/1 2:37:18
Build time 52.622 sec｜Game capacity 2.858KB｜

Script

Sure! Here's a single HTML file implementing a simple Asteroids game using JavaScript and pictograms:

When you open this HTML file in a web browser, you should see a canvas where you can control a spaceship using arrow keys. The spaceship can move forward and backward, rotate left and right, and the screen wraps around when the spaceship reaches the edges.

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[PR]現在のゲームギフトランキング

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

Sure! Here's a single HTML file implementing a simple Asteroids game using JavaScript and pictograms:

```html
<!DOCTYPE html>
<html>
<head>
    <title>Asteroids Game</title>
    <style>
        canvas {
            border: 1px solid black;
        }
    </style>
</head>
<body>
    <script>
        const canvas = document.createElement('canvas');
        const context = canvas.getContext('2d');
        canvas.width = window.innerWidth;
        canvas.height = window.innerHeight;

document.body.appendChild(canvas);

const spaceship = {
            x: canvas.width / 2,
            y: canvas.height / 2,
            size: 16,
            speed: 4,
            rotation: 0
        };

function drawSpaceship() {
            context.translate(spaceship.x, spaceship.y);
            context.rotate(spaceship.rotation);
            context.fillStyle = 'white';
            context.beginPath();
            context.moveTo(-spaceship.size / 2, spaceship.size / 2);
            context.lineTo(spaceship.size / 2, spaceship.size / 2);
            context.lineTo(0, -spaceship.size / 2);
            context.closePath();
            context.fill();
        }

function updateSpaceship() {
            spaceship.x += Math.sin(spaceship.rotation) * spaceship.speed;
            spaceship.y -= Math.cos(spaceship.rotation) * spaceship.speed;

if (spaceship.x < 0) {
                spaceship.x = canvas.width;
            } else if (spaceship.x > canvas.width) {
                spaceship.x = 0;
            }

if (spaceship.y < 0) {
                spaceship.y = canvas.height;
            } else if (spaceship.y > canvas.height) {
                spaceship.y = 0;
            }
        }

function updateGame() {
            context.clearRect(0, 0, canvas.width, canvas.height);
            drawSpaceship();
            updateSpaceship();
            requestAnimationFrame(updateGame);
        }

updateGame();
    </script>
</body>
</html>
```

When you open this HTML file in a web browser, you should see a canvas where you can control a spaceship using arrow keys. The spaceship can move forward and backward, rotate left and right, and the screen wraps around when the spaceship reaches the edges.