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Block Breaker
Developer User17791｜Date and time 24/1/30 1:43:58
Build time 30.1 sec｜Game capacity 5.489KB｜

Script

Sure! Here's a simple implementation of a block breaker game using JavaScript and HTML:

Please keep in mind that this is a basic implementation and can be further enhanced with additional features, levels, and graphics as per your requirements.

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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 a simple implementation of a block breaker game using JavaScript and HTML:

```html
<!DOCTYPE html>
<html>
  <head>
    <title>Block Breaker Game</title>
    <style>
      canvas {
        border: 1px solid #000;
      }
    </style>
  </head>
  <body>
    <canvas id="gameCanvas" width="480" height="320"></canvas>
    <script>
      // Game initialization
      const canvas = document.getElementById("gameCanvas");
      const ctx = canvas.getContext("2d");
      const ballRadius = 10;
      let x = canvas.width / 2;
      let y = canvas.height - 30;
      let dx = 2;
      let dy = -2;
      const paddleHeight = 10;
      const paddleWidth = 75;
      let paddleX = (canvas.width - paddleWidth) / 2;
      let rightPressed = false;
      let leftPressed = false;
      const brickRowCount = 3;
      const brickColumnCount = 5;
      const brickWidth = 75;
      const brickHeight = 20;
      const brickPadding = 10;
      const brickOffsetTop = 30;
      const brickOffsetLeft = 30;
      let bricks = [];
      for (let c = 0; c < brickColumnCount; c++) {
        bricks[c] = [];
        for (let r = 0; r < brickRowCount; r++) {
          bricks[c][r] = { x: 0, y: 0, status: 1 };
        }
      }
      let score = 0;
      let lives = 3;

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

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;
        }
      }

// Collision detection function
      function collisionDetection() {
        for (let c = 0; c < brickColumnCount; c++) {
          for (let r = 0; r < brickRowCount; r++) {
            let b = bricks[c][r];
            if (b.status == 1) {
              if (
                x > b.x &&
                x < b.x + brickWidth &&
                y > b.y &&
                y < b.y + brickHeight
              ) {
                dy = -dy;
                b.status = 0;
                score++;
                if (score == brickRowCount * brickColumnCount) {
                  alert("Congratulations! You win!");
                  document.location.reload();
                }
              }
            }
          }
        }
      }

// Draw functions
      function drawBall() {
        ctx.beginPath();
        ctx.arc(x, y, 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 drawScore() {
        ctx.font = "16px Arial";
        ctx.fillStyle = "#0095DD";
        ctx.fillText("Score: " + score, 8, 20);
      }

function drawLives() {
        ctx.font = "16px Arial";
        ctx.fillStyle = "#0095DD";
        ctx.fillText("Lives: " + lives, canvas.width - 65, 20);
      }

// Game loop
      function draw() {
        ctx.clearRect(0, 0, canvas.width, canvas.height);
        drawBricks();
        drawBall();
        drawPaddle();
        drawScore();
        drawLives();
        collisionDetection();

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 {
            lives--;
            if (!lives) {
              alert("Game Over");
              document.location.reload();
            } else {
              x = canvas.width / 2;
              y = canvas.height - 30;
              dx = 2;
              dy = -2;
              paddleX = (canvas.width - paddleWidth) / 2;
            }
          }
        }

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 keep in mind that this is a basic implementation and can be further enhanced with additional features, levels, and graphics as per your requirements.