Everything the ball hits it gets faster's game

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No:50123

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Everything the ball hits it gets faster
Developer User21234｜Date and time 24/3/7 21:39:30
Build time 5.567 sec｜Game capacity 1.071KB｜

Script

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[PR]現在の人気ゲームランキング

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

let ball = {
        x: canvas.width / 2,
        y: canvas.height / 2,
        radius: 10,
        dx: 2,
        dy: 2
    };

function drawBall() {
        ctx.beginPath();
        ctx.arc(ball.x, ball.y, ball.radius, 0, Math.PI * 2);
        ctx.fillStyle = "black";
        ctx.fill();
        ctx.closePath();
    }

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

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

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

ball.x += ball.dx;
        ball.y += ball.dy;

ball.dx *= 1.01;
        ball.dy *= 1.01;

requestAnimationFrame(update);
    }

update();
</script>