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Billiards
Developer User15234｜Date and time 24/1/8 7:33:40
Build time 27.578 sec｜Game capacity 2.989KB｜

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 black;
    }
  </style>
</head>
<body>
  <canvas id="gameCanvas" width="800" height="400"></canvas>

// Ball properties
    const ballRadius = 10;
    const ballColor = "#0095DD";
    let ballX = canvas.width / 2;
    let ballY = canvas.height - 30;
    let dx = 2;
    let dy = -2;

// Paddle properties
    const paddleHeight = 10;
    const paddleWidth = 75;
    const paddleColor = "#0095DD";
    let paddleX = (canvas.width - paddleWidth) / 2;
    let rightPressed = false;
    let leftPressed = false;

// Handle paddle movement
    function keyDownHandler(event) {
      if (event.key === "Right" || event.key === "ArrowRight") {
        rightPressed = true;
      } else if (event.key === "Left" || event.key === "ArrowLeft") {
        leftPressed = true;
      }
    }

function keyUpHandler(event) {
      if (event.key === "Right" || event.key === "ArrowRight") {
        rightPressed = false;
      } else if (event.key === "Left" || event.key === "ArrowLeft") {
        leftPressed = false;
      }
    }

document.addEventListener("keydown", keyDownHandler, false);
    document.addEventListener("keyup", keyUpHandler, false);

// Draw the paddle on the canvas
    function drawPaddle() {
      ctx.beginPath();
      ctx.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
      ctx.fillStyle = paddleColor;
      ctx.fill();
      ctx.closePath();
    }

// Draw the ball on the canvas
    function drawBall() {
      ctx.beginPath();
      ctx.arc(ballX, ballY, ballRadius, 0, Math.PI * 2);
      ctx.fillStyle = ballColor;
      ctx.fill();
      ctx.closePath();
    }

// Move the paddle
    function movePaddle() {
      if (rightPressed && paddleX < canvas.width - paddleWidth) {
        paddleX += 7;
      } else if (leftPressed && paddleX > 0) {
        paddleX -= 7;
      }
    }

// Move the ball
    function moveBall() {
      ballX += dx;
      ballY += dy;

// Ball collision logic
      if (ballX + dx > canvas.width - ballRadius || ballX + dx < ballRadius) {
        dx = -dx;
      } 
      if (ballY + dy < ballRadius) {
        dy = -dy;
      } else if (ballY + dy > canvas.height - ballRadius) {
        // Check paddle collision
        if (ballX > paddleX && ballX < paddleX + paddleWidth) {
          dy = -dy;
        } else {
          // Game over condition
          alert("Game Over");
          document.location.reload();
        }
      }
    }

// Game loop
    function draw() {
      ctx.clearRect(0, 0, canvas.width, canvas.height);
      drawPaddle();
      drawBall();
      movePaddle();
      moveBall();
      requestAnimationFrame(draw);
    }

// Start the game
    draw();
  </script>
</body>
</html>