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No:33505

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Block Breaker
Developer User6662｜Date and time 24/1/4 15:13:54
Build time 44.701 sec｜Game capacity 4.607KB｜

Script

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<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Block Breaker Game</title>
  <style>
    canvas {
      display: block;
      margin: 0 auto;
      background: #f2f2f2;
    }
  </style>
</head>
<body>
  <canvas id="gameCanvas" width="480" height="320"></canvas>
  <script>
    // Create the canvas and context
    const canvas = document.getElementById("gameCanvas");
    const ctx = canvas.getContext("2d");

// Set initial variables
    let x = canvas.width / 2;
    let y = canvas.height - 30;
    let dx = 2;
    let dy = -2;
    const ballRadius = 10;
    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 score = 0;
    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 };
      }
    }

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

// Event handlers for keyboard input
    function keyDownHandler(e) {
      if (e.keyCode === 39) {
        rightPressed = true;
      } else if (e.keyCode === 37) {
        leftPressed = true;
      }
    }

function keyUpHandler(e) {
      if (e.keyCode === 39) {
        rightPressed = false;
      } else if (e.keyCode === 37) {
        leftPressed = false;
      }
    }

// Collision detection function
    function collisionDetection() {
      for (let c = 0; c < brickColumnCount; c++) {
        for (let r = 0; r < brickRowCount; r++) {
          const 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 won!");
                document.location.reload();
              }
            }
          }
        }
      }
    }

// Game drawing function
    function draw() {
      // Clear the canvas
      ctx.clearRect(0, 0, canvas.width, canvas.height);

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

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

// Draw the bricks
      for (let c = 0; c < brickColumnCount; c++) {
        for (let r = 0; r < brickRowCount; r++) {
          if (bricks[c][r].status === 1) {
            const brickX = r * (brickWidth + brickPadding) + brickOffsetLeft;
            const brickY = c * (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();
          }
        }
      }

// Collision detection
      collisionDetection();

// Ball movement
      if (x + dx > canvas.width - ballRadius || x + dx < ballRadius) {
        dx = -dx;
      }
      if (y + dy < ballRadius) {
        dy = -dy;
      } else if (
        y + dy > canvas.height - ballRadius - paddleHeight &&
        x > paddleX &&
        x < paddleX + paddleWidth
      ) {
        dy = -dy;
      } else if (y + dy > canvas.height - ballRadius) {
        alert("Game Over");
        document.location.reload();
      }

x += dx;
      y += dy;

// Paddle movement
      if (rightPressed && paddleX < canvas.width - paddleWidth) {
        paddleX += 7;
      } else if (leftPressed && paddleX > 0) {
        paddleX -= 7;
      }

// Score display
      ctx.font = "16px Arial";
      ctx.fillStyle = "#0095DD";
      ctx.fillText("Score: " + score, 8, 20);

// Continuously redraw the canvas
      requestAnimationFrame(draw);
    }

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