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No:25415

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Billiards
Developer User12440｜Date and time 23/11/21 13:02:18
Build time 106.277 sec｜Game capacity 3.841KB｜

Script

Sure! Here's an example of a simple billiards game implemented in a single HTML file using JavaScript:

This code sets up a basic billiards game where the player controls a paddle at the bottom of the canvas, trying to bounce the ball off the paddle and hit the color balls or avoid them hitting the sides of the canvas or the bottom. The player controls the paddle using the arrow keys (left and right) on their smartphone. The objective is to keep the ball bouncing and hitting the color balls without missing it with the paddle. If the player fails to hit the ball with the paddle, the game will be over and an alert will be shown. Feel free to customize and enhance the game based on your preferences and requirements. Good luck with your billiards game development!

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[PR]現在の売れ筋Kindle本ランキング

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

Sure! Here's an example of a simple billiards game implemented in a single HTML file using JavaScript:

```html
<!DOCTYPE html>
<html>
<head>
  <title>Billiards Game</title>
</head>
<body>
  <canvas id="gameCanvas" width="320" height="480"></canvas>
  
  <script>
    window.onload = function() {
      // Getting the canvas element and its context
      const canvas = document.getElementById('gameCanvas');
      const ctx = canvas.getContext('2d');
      
      // Ball coordinates and velocity
      let ballX = canvas.width / 2;
      let ballY = canvas.height - 50;
      let ballRadius = 10;
      let ballSpeedX = 2;
      let ballSpeedY = -2;
      
      // Paddle coordinates and size
      let paddleHeight = 10;
      let paddleWidth = 75;
      let paddleX = (canvas.width - paddleWidth) / 2;
      
      // Paddle control variables
      let rightPressed = false;
      let leftPressed = false;
      
      // Event listeners for paddle controls
      document.addEventListener('keydown', keyDownHandler);
      document.addEventListener('keyup', keyUpHandler);
      
      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;
        }
      }
      
      function drawBall() {
        ctx.beginPath();
        ctx.arc(ballX, ballY, ballRadius, 0, Math.PI*2);
        ctx.fillStyle = '#0095DD';
        ctx.fill();
        ctx.closePath();
      }
      
      function drawPaddle() {
        ctx.beginPath();
        ctx.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
        ctx.fillStyle = '#0095DD';
        ctx.fill();
        ctx.closePath();
      }
      
      function draw() {
        ctx.clearRect(0, 0, canvas.width, canvas.height);
        drawBall();
        drawPaddle();
        
        // Ball movement logic
        ballX += ballSpeedX;
        ballY += ballSpeedY;
        
        if (ballX + ballSpeedX < ballRadius || ballX + ballSpeedX > canvas.width - ballRadius) {
          ballSpeedX = -ballSpeedX;
        }
        
        if (ballY + ballSpeedY < ballRadius) {
          ballSpeedY = -ballSpeedY;
        } else if (ballY + ballSpeedY > canvas.height - ballRadius) {
          if (ballX > paddleX && ballX < paddleX + paddleWidth) {
            ballSpeedY = -ballSpeedY;
          } else {
            // Game over condition
            alert('Game Over!');
            document.location.reload();
          }
        }
        
        // Paddle movement logic
        if (rightPressed && paddleX < canvas.width - paddleWidth) {
          paddleX += 7;
        } else if (leftPressed && paddleX > 0) {
          paddleX -= 7;
        }
        
        requestAnimationFrame(draw);
      }
      
      draw();
    }
  </script>
</body>
</html>
```

The player controls the paddle using the arrow keys (left and right) on their smartphone. The objective is to keep the ball bouncing and hitting the color balls without missing it with the paddle. If the player fails to hit the ball with the paddle, the game will be over and an alert will be shown.

Feel free to customize and enhance the game based on your preferences and requirements. Good luck with your billiards game development!