Games with build time 300's game

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No:3011

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Games with build time 300
Developer User3649｜Date and time 23/6/23 11:50:48
Build time 43.788 sec｜Game capacity 4.163KB｜

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[PR]現在の売れ筋ゲームランキング

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

<!DOCTYPE html>
<html>
<head>
	<title>ビルド時間300のゲーム</title>
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<style>
		@media only screen and (max-width: 767px) {
			#gameScene {
				width: 100%;
				height: 100vh;
			}
		}
	</style>
</head>
<body>
	<canvas id="gameScene"></canvas>

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

let paddleHeight = 10;
		let paddleWidth = 75;
		let paddleX = (canvas.width-paddleWidth)/2;

let rightPressed = false;
		let leftPressed = false;

let score = 0;
		let lives = 3;

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);
		}

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;
			}
		}

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

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>