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Bouncing Numbers
Developer User21309｜Date and time 24/3/8 16:29:40
Build time 7.199 sec｜Game capacity 2.061KB｜

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<!DOCTYPE html>
<html>

<head>
    <title>Bouncing Numbers</title>
    <style>
        canvas {
            border: 1px solid black;
        }
    </style>
</head>

const numbers = [];

class Number {
            constructor(x, y, dx, dy, number) {
                this.x = x;
                this.y = y;
                this.dx = dx;
                this.dy = dy;
                this.number = number;
            }

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

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

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

draw() {
                ctx.font = '20px Arial';
                ctx.fillText(this.number, this.x, this.y);
            }
        }

const getRandomNumber = () => Math.floor(Math.random() * 10);

const init = () => {
            for (let i = 0; i < 5; i++) {
                const x = Math.random() * canvas.width;
                const y = Math.random() * canvas.height;
                const dx = Math.random() - 0.5;
                const dy = Math.random() - 0.5;
                const number = getRandomNumber();

const newNumber = new Number(x, y, dx, dy, number);
                numbers.push(newNumber);
            }
        }

const animate = () => {
            ctx.clearRect(0, 0, canvas.width, canvas.height);

numbers.forEach(number => {
                number.update();
                number.draw();
            });

requestAnimationFrame(animate);
        }

init();
        animate();
    </script>
</body>

</html>