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Billiards
Developer User18896｜Date and time 24/3/4 9:57:47
Build time 6.636 sec｜Game capacity 1.033KB｜

Script

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

<!DOCTYPE html>
<html>
<head>
<title>Billiards Game</title>
<style>
  canvas {
    border: 1px solid #000;
  }
</style>
</head>
<body>
<canvas id="gameCanvas" width="400" height="300"></canvas>
<script>
  const canvas = document.getElementById("gameCanvas");
  const ctx = canvas.getContext("2d");

let ballX = canvas.width / 2;
  let ballY = canvas.height / 2;
  let ballRadius = 10;
  let dx = 2;
  let dy = 2;

function drawBall() {
    ctx.beginPath();
    ctx.arc(ballX, ballY, ballRadius, 0, Math.PI*2);
    ctx.fillStyle = "#0095DD";
    ctx.fill();
    ctx.closePath();
  }

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

function updateGame() {
    clearCanvas();
    drawBall();

if(ballX + dx > canvas.width - ballRadius || ballX + dx < ballRadius) {
      dx = -dx;
    }
    
    if(ballY + dy > canvas.height - ballRadius || ballY + dy < ballRadius) {
      dy = -dy;
    }

ballX += dx;
    ballY += dy;
  }

setInterval(updateGame, 10);
</script>
</body>
</html>