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Block Breaker
Developer User16590｜Date and time 24/1/14 22:55:18
Build time 22.628 sec｜Game capacity 5.144KB｜

Script

Sure! Here's a simple implementation of a block breaker game written in a single HTML file with JavaScript:

This code sets up a canvas element and implements the necessary game logic for a block breaker game. The user can control the paddle using arrow keys or touch gestures on a smartphone. The objective is to bounce the ball off the paddle and break all the bricks using the ball. Please note that this is a basic implementation and can be enhanced with additional features, levels, scoring, etc., depending on your requirements.

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[PR]現在の欲しいものランキング

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

Sure! Here's a simple implementation of a block breaker game written in a single HTML file with JavaScript:

```html
<!DOCTYPE html>
<html>
  <head>
    <style>
      canvas {
        border: 1px solid #000;
      }
    </style>
  </head>
  <body>
    <canvas id="gameCanvas" width="480" height="320"></canvas>

// Ball variables
      var ballRadius = 10;
      var x = canvas.width / 2;
      var y = canvas.height - 30;
      var dx = 2;
      var dy = -2;

// Paddle variables
      var paddleHeight = 10;
      var paddleWidth = 75;
      var paddleX = (canvas.width - paddleWidth) / 2;
      var rightPressed = false;
      var leftPressed = false;

// Brick variables
      var brickRowCount = 3;
      var brickColumnCount = 5;
      var brickWidth = 75;
      var brickHeight = 20;
      var brickPadding = 10;
      var brickOffsetTop = 30;
      var brickOffsetLeft = 30;

// Create an array for the bricks
      var bricks = [];
      for (var c = 0; c < brickColumnCount; c++) {
        bricks[c] = [];
        for (var r = 0; r < brickRowCount; r++) {
          bricks[c][r] = { x: 0, y: 0, status: 1 };
        }
      }

// Event listeners for paddle movement
      document.addEventListener("keydown", keyDownHandler, false);
      document.addEventListener("keyup", keyUpHandler, false);

function keyDownHandler(e) {
        if (e.key == "Right" || e.key == "ArrowRight") {
          rightPressed = true;
        } else if (e.key == "Left" || e.key == "ArrowLeft") {
          leftPressed = true;
        }
      }

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

// Function to detect collision between ball and bricks
      function collisionDetection() {
        for (var c = 0; c < brickColumnCount; c++) {
          for (var r = 0; r < brickRowCount; r++) {
            var brick = bricks[c][r];
            if (brick.status == 1) {
              if (
                x > brick.x &&
                x < brick.x + brickWidth &&
                y > brick.y &&
                y < brick.y + brickHeight
              ) {
                dy = -dy;
                brick.status = 0;
              }
            }
          }
        }
      }

// Draw the ball
      function drawBall() {
        ctx.beginPath();
        ctx.arc(x, y, ballRadius, 0, Math.PI * 2);
        ctx.fillStyle = "#0095DD";
        ctx.fill();
        ctx.closePath();
      }

// Draw the paddle
      function drawPaddle() {
        ctx.beginPath();
        ctx.rect(paddleX, canvas.height - paddleHeight, paddleWidth, paddleHeight);
        ctx.fillStyle = "#0095DD";
        ctx.fill();
        ctx.closePath();
      }

// Draw the bricks
      function drawBricks() {
        for (var c = 0; c < brickColumnCount; c++) {
          for (var r = 0; r < brickRowCount; r++) {
            if (bricks[c][r].status == 1) {
              var brickX = c * (brickWidth + brickPadding) + brickOffsetLeft;
              var brickY = r * (brickHeight + brickPadding) + brickOffsetTop;
              bricks[c][r].x = brickX;
              bricks[c][r].y = brickY;
              ctx.beginPath();
              ctx.rect(brickX, brickY, brickWidth, brickHeight);
              ctx.fillStyle = "#0095DD";
              ctx.fill();
              ctx.closePath();
            }
          }
        }
      }

// Update game canvas
      function draw() {
        ctx.clearRect(0, 0, canvas.width, canvas.height);
        drawBricks();
        drawBall();
        drawPaddle();
        collisionDetection();

// Reverse the ball direction if it hits the borders
        if (x + dx > canvas.width - ballRadius || x + dx < ballRadius) {
          dx = -dx;
        }
        if (y + dy < ballRadius) {
          dy = -dy;
        } else if (y + dy > canvas.height - ballRadius) {
          if (x > paddleX && x < paddleX + paddleWidth) {
            dy = -dy;
          } else {
            alert("GAME OVER");
            document.location.reload();
          }
        }

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

x += dx;
        y += dy;
        requestAnimationFrame(draw);
      }

draw();
    </script>
  </body>
</html>
```

Please note that this is a basic implementation and can be enhanced with additional features, levels, scoring, etc., depending on your requirements.