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No:20915

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Block Breaker
Developer User9230｜Date and time 23/10/12 1:40:39
Build time 139.638 sec｜Game capacity 4.781KB｜

Script

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

<!DOCTYPE html>
<html>
<head>
  <title>Block Breaker</title>
  <style>
    #gameCanvas {
      border: 1px solid black;
    }
  </style>
</head>
<body>
  <canvas id="gameCanvas" width="400" height="400"></canvas>

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

// Functions
    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 mouseMoveHandler(event) {
      var relativeX = event.clientX - canvas.offsetLeft;
      if (relativeX > 0 && relativeX < canvas.width) {
        paddleX = relativeX - paddleWidth / 2;
      }
    }

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

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

function drawScore() {
      context.font = "16px Arial";
      context.fillStyle = "#0095DD";
      context.fillText("Score: " + score, 8, 20);
    }

function draw() {
      context.clearRect(0, 0, canvas.width, canvas.height);
      drawBricks();
      drawBall();
      drawPaddle();
      drawScore();
      collisionDetection();

if (x + dx < ballRadius || x + dx > canvas.width - 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();
      }

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>