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No:19689

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particle
Developer User8769｜Date and time 23/10/5 22:30:54
Build time 16.383 sec｜Game capacity 2.709KB｜

Script

Sure! Here's an example of a simple particle simulation game implemented as a single HTML file using JavaScript and enclosed in script tags. It can be played on a smartphone and I have used pictograms to represent particles.

In this game, particles are represented by colorful circles that move around the canvas. The speed and direction of each particle are randomly chosen, and they continuously update and move across the screen. The game automatically starts when the HTML file is loaded, and the resulting animation can be played on a smartphone or any other device that supports HTML and JavaScript.

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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.

```html
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Particle Game</title>
    <style>
        canvas {
            border: 1px solid black;
        }
    </style>
</head>
<body>
    <canvas id="gameCanvas" width="400" height="600"></canvas>

update() {
                this.x += Math.cos(this.direction) * this.speed;
                this.y += Math.sin(this.direction) * this.speed;
                this.draw();
            }

draw() {
                const ctx = gameCanvas.getContext('2d');
                ctx.beginPath();
                ctx.arc(this.x, this.y, this.radius, 0, Math.PI * 2, false);
                ctx.fillStyle = this.color;
                ctx.fill();
            }
        }

// Game initialization
        const gameCanvas = document.getElementById('gameCanvas');
        const ctx = gameCanvas.getContext('2d');
        const particles = [];

function init() {
            for (let i = 0; i < 10; i++) {
                const radius = Math.random() * 10 + 5;
                const x = Math.random() * (gameCanvas.width - radius * 2) + radius;
                const y = Math.random() * (gameCanvas.height - radius * 2) + radius;
                const color = '#' + (Math.random() * 0xFFFFFF << 0).toString(16);
                particles.push(new Particle(x, y, radius, color));
            }
        }

function animate() {
            ctx.clearRect(0, 0, gameCanvas.width, gameCanvas.height);
            particles.forEach(particle => {
                particle.update();
            });
            requestAnimationFrame(animate);
        }

// Game start
        init();
        animate();
    </script>
</body>
</html>
```