5 bouncing circles With square spawning and the circles the squaresand they grow when eaten's game

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No:44808

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5 bouncing circles With square spawning and the ci..ALL
Developer User19470｜Date and time 24/2/19 6:08:38
Build time 12.492 sec｜Game capacity 3.33KB｜

Script

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```html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Bouncing Circles Game</title>
<style>
    body {
        margin: 0;
        padding: 0;
        overflow: hidden;
        background-color: #f0f0f0;
    }
    canvas {
        display: block;
        margin: auto;
        background-color: #fff;
    }
</style>
</head>
<body>
<canvas id="gameCanvas"></canvas>

canvas.width = window.innerWidth;
    canvas.height = window.innerHeight;

let circles = [];
    let score = 0;

class Circle {
        constructor(x, y, radius, color, dx, dy) {
            this.x = x;
            this.y = y;
            this.radius = radius;
            this.color = color;
            this.dx = dx;
            this.dy = dy;
        }

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

update() {
            this.x += this.dx;
            this.y += this.dy;

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

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

this.draw();
        }
    }

function spawnCircle() {
        const x = Math.random() * (canvas.width - 50) + 25;
        const y = Math.random() * (canvas.height - 50) + 25;
        const radius = 25;
        const color = "blue";
        const dx = (Math.random() - 0.5) * 5;
        const dy = (Math.random() - 0.5) * 5;

circles.push(new Circle(x, y, radius, color, dx, dy));
    }

function eatCircle(index) {
        circles.splice(index, 1);
        score++;
    }

function collisionDetection() {
        circles.forEach((circle, index) => {
            const distance = Math.sqrt(Math.pow(circle.x - square.x, 2) + Math.pow(circle.y - square.y, 2));

if (distance < circle.radius + square.size) {
                eatCircle(index);
            }
        });
    }

const square = {
        x: canvas.width / 2,
        y: canvas.height / 2,
        size: 25,
        color: "red"
    };

function drawSquare() {
        ctx.fillStyle = square.color;
        ctx.fillRect(square.x - square.size, square.y - square.size, square.size * 2, square.size * 2);
    }

function updateGameArea() {
        ctx.clearRect(0, 0, canvas.width, canvas.height);

circles.forEach(circle => {
            circle.update();
        });

drawSquare();
        collisionDetection();

requestAnimationFrame(updateGameArea);
    }

setInterval(spawnCircle, 1000);

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