pictograph block destroyer's game

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pictograph block destroyer
Developer User2983｜Date and time 23/6/11 10:25:48
Build time 50.76 sec｜Game capacity 4.916KB｜

Script

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[PR]現在のゲームギフトランキング

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

<!DOCTYPE html>
<html>
<head>
	<title>絵文字ブロック崩し</title>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<style>
		body {
			margin: 0;
			padding: 0;
			font-family: Arial, sans-serif;
			text-align: center;
		}
		canvas {
			display: block;
			margin: auto;
		}
	</style>
</head>
<body>
	<canvas id="game" width="320" height="480"></canvas>
	<script>
		// 変数宣言
		var canvas = document.getElementById("game");
		var ctx = canvas.getContext("2d");
		var ballRadius = 10;
		var x = canvas.width / 2;
		var y = canvas.height - 30;
		var dx = 2;
		var dy = -2;
		var paddleWidth = 75;
		var paddleHeight = 10;
		var paddleX = (canvas.width - paddleWidth) / 2;
		var rightPressed = false;
		var leftPressed = false;
		var brickRowCount = 3;
		var brickColumnCount = 5;
		var brickWidth = 75;
		var brickHeight = 20;
		var brickPadding = 10;
		var brickOffsetTop = 30;
		var brickOffsetLeft = 30;
		var score = 0;
		var lives = 3;
		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 };
			}
		}
		
		// イベントリスナー登録
		document.addEventListener("keydown", keyDownHandler, false);
		document.addEventListener("keyup", keyUpHandler, false);
		document.addEventListener("mousemove", mouseMoveHandler, false);
		
		// パドルを動かす
		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;
			}
		}
		function mouseMoveHandler(e) {
			var relativeX = e.clientX - canvas.offsetLeft;
			if (relativeX > 0 && relativeX < canvas.width) {
				paddleX = relativeX - paddleWidth / 2;
			}
		}
		
		// ボールとブロックの当たり判定
		function collisionDetection() {
			for (var c = 0; c < brickColumnCount; c++) {
				for (var r = 0; r < brickRowCount; r++) {
					var 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("YOU WIN!");
								document.location.reload();
							}
						}
					}
				}
			}
		}
		
		// スコアと残りライフを描画
		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);
		}
		
		// ボールとパドルを描画
		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();
		}
		
		// ブロックを描画
		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();
					}
				}
			}
		}
		
		// ゲームオーバー画面を描画
		function drawGameOver() {
			ctx.font = "30px Arial";
			ctx.fillStyle = "#0095DD";
			ctx.fillText("GAME OVER", canvas.width/2-100, canvas.height/2);
		}
		
		// ゲームを実行
		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) {
						drawGameOver();
					}
					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);
		}
		
		// ゲームを開始
		draw();
	</script>
</body>
</html>