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私はゲームサイトをプログラムしたいが、別のウェブサイトからコピーしたゲームはいつも一番上にある学校プロジェクトを持っています。 私はゲームがHotbarは:) HTMLコードの下にウェブサイトの中心になりたい：私のゲームは一番上ではなく、一番下にしたいですか？
<!DOCTYPE html>
<html>
<head>
<title>Games</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<link rel="stylesheet" href="css/nav.css">
<style>
canvas {
border:1px solid #d3d3d3;
background-color: #f1f1f1;
}
</style>
</head>
<body onload="startGame()">
<div class="nav">
<ul>
<li><a href="">Aventure Games</a></li>
<li><a href="">1vs1 Games</a></li>
<li id="logo"><img src="src/logogif.gif" style="width:300px;"></li>
<li><a href="">Other Categories</a></li>
<li><a href="">About us</a></li>
</ul>
</div>
<article>
<h1>Games</h1>
<p>content bla bla</p>
</article>
<p class="flappybird">
<script>
var myGamePiece;
var myObstacles = [];
var myScore;
function startGame() {
myGamePiece = new component(30, 30, "red", 10, 120);
myGamePiece.gravity = 0.05;
myScore = new component("30px", "Consolas", "black", 280, 40, "text");
myGameArea.start();
}
var myGameArea = {
canvas : document.createElement("canvas"),
start : function() {
this.canvas.width = 480;
this.canvas.height = 270;
this.context = this.canvas.getContext("2d");
document.body.insertBefore(this.canvas, document.body.childNodes[0]);
this.frameNo = 0;
this.interval = setInterval(updateGameArea, 20);
},
clear : function() {
this.context.clearRect(0, 0, this.canvas.width, this.canvas.height);
}
}
function component(width, height, color, x, y, type) {
this.type = type;
this.score = 0;
this.width = width;
this.height = height;
this.speedX = 0;
this.speedY = 0;
this.x = x;
this.y = y;
this.gravity = 0;
this.gravitySpeed = 0;
this.update = function() {
ctx = myGameArea.context;
if (this.type == "text") {
ctx.font = this.width + " " + this.height;
ctx.fillStyle = color;
ctx.fillText(this.text, this.x, this.y);
} else {
ctx.fillStyle = color;
ctx.fillRect(this.x, this.y, this.width, this.height);
}
}
this.newPos = function() {
this.gravitySpeed += this.gravity;
this.x += this.speedX;
this.y += this.speedY + this.gravitySpeed;
this.hitBottom();
}
this.hitBottom = function() {
var rockbottom = myGameArea.canvas.height - this.height;
if (this.y > rockbottom) {
this.y = rockbottom;
this.gravitySpeed = 0;
}
}
this.crashWith = function(otherobj) {
var myleft = this.x;
var myright = this.x + (this.width);
var mytop = this.y;
var mybottom = this.y + (this.height);
var otherleft = otherobj.x;
var otherright = otherobj.x + (otherobj.width);
var othertop = otherobj.y;
var otherbottom = otherobj.y + (otherobj.height);
var crash = true;
if ((mybottom < othertop) || (mytop > otherbottom) || (myright < otherleft) || (myleft > otherright)) {
crash = false;
}
return crash;
}
}
function updateGameArea() {
var x, height, gap, minHeight, maxHeight, minGap, maxGap;
for (i = 0; i < myObstacles.length; i += 1) {
if (myGamePiece.crashWith(myObstacles[i])) {
return;
}
}
myGameArea.clear();
myGameArea.frameNo += 1;
if (myGameArea.frameNo == 1 || everyinterval(150)) {
x = myGameArea.canvas.width;
minHeight = 20;
maxHeight = 200;
height = Math.floor(Math.random()*(maxHeight-minHeight+1)+minHeight);
minGap = 50;
maxGap = 200;
gap = Math.floor(Math.random()*(maxGap-minGap+1)+minGap);
myObstacles.push(new component(10, height, "green", x, 0));
myObstacles.push(new component(10, x - height - gap, "green", x, height + gap));
}
for (i = 0; i < myObstacles.length; i += 1) {
myObstacles[i].x += -1;
myObstacles[i].update();
}
myScore.text="SCORE: " + myGameArea.frameNo;
myScore.update();
myGamePiece.newPos();
myGamePiece.update();
}
function everyinterval(n) {
if ((myGameArea.frameNo/n) % 1 == 0) {return true;}
return false;
}
function accelerate(n) {
myGamePiece.gravity = n;
}
</script>
<br>
<button onmousedown="accelerate(-0.2)" onmouseup="accelerate(0.05)">ACCELERATE</button>
<p>Use the ACCELERATE button to stay in the air</p>
<p>How long can you stay alive?</p>
</body>
</html>
CSSコード：
*{
margin: 0px;
background-color:darkred;
}
.nav{
height: 100px;
}
ul {
list-style-type: none;
margin: 0;
padding: 0;
text-align: center;
/*padding-left: 30%;
padding-right: 30%;*/
/*overflow: hidden;*/
background-color: gray;
height:70px;
}
li {
/*float: left;*/
display: inline-block;
vertical-align: top;
margin: 0 -2px;
}
li a {
display: block;
font-family: Verdana, Helvetica, sans-serif;
color: white;
text-align: center;
padding: 14px 16px;
text-decoration: none;
background-color: darkred;
}
#logo {
/*display: block;*/
font-family: Verdana, Helvetica, sans-serif;
background-color: black;
text-align: center;
padding: 10px;
text-decoration: none;
}
#logo img{
display: block;
}
li a:hover {
background-color: black;
color: white;
}
}
p{font-family:Tahoma;}
article {
padding-left: 12px;
}
ありがとうございましたこれは私を大いに助けました –