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No:11436

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particle
Developer User4887｜Date and time 23/8/10 6:04:57
Build time 20.018 sec｜Game capacity 2.996KB｜

Script

Sure, here's an example of a simple particle game implemented as a single HTML file using JavaScript:

This game creates a canvas element and draws particles (circles) on it. The particles move around randomly within the canvas and bounce off the walls. You can try it out by saving the code into an HTML file and opening it in your web browser on your smartphone.

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

Sure, here's an example of a simple particle game implemented as a single HTML file using JavaScript:

```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="400"></canvas>

Particle.prototype.draw = function(context) {
            context.beginPath();
            context.arc(this.x, this.y, this.radius, 0, Math.PI * 2, false);
            context.fillStyle = this.color;
            context.fill();
            context.closePath();
        };

Particle.prototype.update = function() {
            this.x += this.velocity.x;
            this.y += this.velocity.y;

if (this.x + this.radius > canvas.width || this.x - this.radius < 0) {
                this.velocity.x = -this.velocity.x;
            }

if (this.y + this.radius > canvas.height || this.y - this.radius < 0) {
                this.velocity.y = -this.velocity.y;
            }
        };

// Game initialization
        function init() {
            canvas = document.getElementById("gameCanvas");
            context = canvas.getContext("2d");

particles = [];
            for (var i = 0; i < 100; i++) {
                var x = Math.random() * canvas.width;
                var y = Math.random() * canvas.height;
                var radius = Math.random() * 10 + 5; // Random radius between 5 and 15
                var color = "rgb(" + getRandomInt(0, 255) + ", " + getRandomInt(0, 255) + ", " + getRandomInt(0, 255) + ")";
                particles.push(new Particle(x, y, radius, color));
            }

setInterval(update, 30);
        }

// Game update
        function update() {
            context.clearRect(0, 0, canvas.width, canvas.height);

for (var i = 0; i < particles.length; i++) {
                particles[i].update();
                particles[i].draw(context);
            }
        }

// Utility function to get a random integer
        function getRandomInt(min, max) {
            return Math.floor(Math.random() * (max - min + 1)) + min;
        }

// Start the game
        window.onload = init;
    </script>
</body>
</html>
```