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index.html
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<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<title>Flappy Bird</title>
<style>
#cvs{
display: block;
margin: 0 auto;
}
#score{
width: 140px;
height: 40px;
line-height: 40px;
/*background-color: red;*/
position: absolute;
top:30px;
right: 320px;
text-align: center;
font-size: 16px;
color: rgba(255, 255, 255, 0.7);
font-family: "微软雅黑";
}
</style>
</head>
<body>
<canvas id="cvs" width="800" height="600" style="border: 1px solid rgba(0,0,0,0);"></canvas>
<div id="score"></div>
<script src="./js/util.js"></script>
<!--<script src="./js/loadImage.js"></script>-->
<script src="./js/birds.js"></script>
<script src="./js/pipe.js"></script>
<script src="./js/sky.js"></script>
<script src="./js/land.js"></script>
<script>
// var cvs = document.getElementById("cvs");
// var ctx = cvs.getContext('2d');//设置画笔
//
//
// var img = new Image();
// var keyCode = 0;
// document.addEventListener("keydown", function (e) {
// console.log(e.keyCode);
// keyCode = e.keyCode;
// })
// var bird = new Bird({
// ctx: ctx,
// img: img,
// frame: 0,
// direction: 0,
// clipX: 0,
// clipY: 0,
// clipW: 52,
// clipH: 45,
// x: 30,
// y: 30,
// width: 52,
// height: 45,
// speedY: 4,
// });
// console.log(bird);
//
//
// img.addEventListener("load", function () {
// setInterval(function () {
// ctx.clearRect(0, 0, cvs.width, cvs.width);
// bird.draw();
// bird.update();
// }, 1000 / 10)
//
// cvs.addEventListener("click", function () {
// bird.options.speedY = -4;
// })
// })
(function () {
//图片路径
var imgsPath = {
"birds": "./imgs/birds.png",
"land": "./imgs/land.png",
"pipeDown": "./imgs/pipeDown.png",
"pipeUp": "./imgs/pipeUp.png",
"sky": "./imgs/sky.png"
};
var imgs = {};//用来存放图片
var loadImgCount = 0;//加载一张图片加一次
for (var key in imgsPath) {
var img = new Image();//创建一个图片对象
imgs[key] = img;
// console.log(imgs);
img.addEventListener("load", function () {
loadImgCount++;
// console.log(loadImgCount);
if (loadImgCount >= 5) {
console.log("加载图片完毕");
main();
}
});
console.log(loadImgCount);
img.src = imgsPath[key];
}
function main() {
var cvs = document.getElementById("cvs");
var ctx = cvs.getContext('2d');//设置画笔
var sc = document.getElementById("score");
var score = 0;//记录分数
//鸟类
var bird = new Bird({
ctx: ctx,
img: imgs["birds"],
frame: 0,
direction: 0,
clipX: 0,
clipY: 0,
clipW: 52,
clipH: 45,
x: 0,
y: 30,
width: 52,
height: 45,
speedY: 4,
});
// var i = 0;
// var pipe = "pipe";
// console.log(pipe +i);
//管道
// var pipe = new Pipe({
// ctx: ctx,
// upImg: imgs["pipeUp"],
// downImg: imgs["pipeDown"],
// frame: 0,
// direction: 0,
// clipX: 0,
// clipY: 0,
// clipW: 52,
// clipH: 45,
// x: 100,
// y: 30,
// width: 52,
// height: 45,
// speedY: 4,
// });
//管道
var arr = [];//用于存放管道
for (var i = 0; i < 6; i++) {
arr.push(new Pipe({
ctx: ctx,
upImg: imgs["pipeUp"],
downImg: imgs["pipeDown"],
frame: 0,
direction: 0,
clipX: 0,
clipY: 0,
clipW: 52,
clipH: 45,
x: 100 + imgs["pipeUp"].width * 3 * i,//每次渲染时x轴坐标
y: 30,
width: 52,
height: 45,
speedX: -2,
speedPlus: -0.01
}))
}
// console.log(arr);
//天空
var sky = new Sky({
ctx: ctx,
img: imgs["sky"],
frame: 0,
x: 0,
y: 0
});
// //大地
// var land = new Land({
// ctx:ctx,
// img:imgs["land"],
// frame:0,
// x:0,
// y:0
// });
//大地
var arr2 = [];//用于存放大地
for (var i = 0; i < 4; i++) {
arr2.push(new Land({
ctx: ctx,
img: imgs["land"],
cvs: cvs,
frame: 0,
x: imgs["land"].width * i,
y: 488,
speed: -2
}));
}
var timer = setInterval(function () {
ctx.clearRect(0, 0, cvs.width, cvs.width);
sky.draw();//绘制天空
bird.draw();
bird.update();
for (var i = 0; i < arr.length; i++) {
arr[i].draw();//绘制管道
arr[i].update();//更新管道图像
if ((bird.options.x + bird.options.width / 2) ==arr[i].options.x ) {
score++;
}
}
for (var i = 0; i < arr2.length; i++) {
arr2[i].draw();//绘制大地
arr2[i].update();//更新大地
}
// console.log(ctx.isPointInPath(bird.options.x + bird.options.width / 2, bird.options.y + bird.options.height / 2));
// console.log(bird.options.x + bird.options.width / 2);
// console.log((bird.options.x + bird.options.width / 2, bird.options.y + bird.options.height / 2));
if (ctx.isPointInPath(bird.options.x + bird.options.width / 2, bird.options.y + bird.options.height / 2)) {//判断鸟的中心点是不是在管道路径上
clearInterval(timer);//鸟的中心点在管道路径上就清除定时器
console.log(score);//输出分数
alert("您的得分为："+score);
} else if (bird.options.y + bird.options.height / 2 < 0 || bird.options.y + bird.options.height / 2 > 488) {
clearInterval(timer);
console.log(score);//输出分数
alert("您的得分为："+score);
}
sc.innerHTML= "您的得分为："+score;
ctx.beginPath();//开始新路径，防止管道路径出现重影
}, 1000 / 30);
cvs.addEventListener("click", function () {
bird.options.speedY = -5;
});
}
}())
</script>
</body>
</html>