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index.html
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<!DOCTYPE html>
<html lang='zh-cn'>
<head>
<meta charset="UTF-8" />
<title>DEMO</title>
<link rel="stylesheet" type="text/css" href="./main.css" />
</head>
<body>
<div id="box">
<div id="container" class="container">
<img id="outer" src="image/bg.jpg" />
<div id="shadow" class="ball shadow"></div>
<div id="ball" class="ball"></div>
<div id="net"></div>
</div>
</div>
<div id="info">
<div class="avatar avatar-him">
<img src="image/o_skyking.jpg" />
<p>小胡子哥</p></div>
<div class="avatar avatar-me">
<img src="image/o_skyking.jpg" />
<p>小胡子哥</p>
</div>
<div class="score-box">
<strong>Score</strong>
<span id="score">1:2</span>
</div>
<div class="trace"></div>
</div>
<div id="beforeGame" style="display:dnone">
<div class="rolebox role-action-run">
<div class="role-header">
<div class="inBox box-forward"><img src="image/spider/header/forward.jpg" /></div>
<div class="inBox box-back"><img src="image/spider/header/back.jpg" /></div>
<div class="inBox box-left"><img src="image/spider/header/left.jpg" /></div>
<div class="inBox box-right"><img src="image/spider/header/right.jpg" /></div>
<div class="inBox box-top"><img src="image/spider/header/top.jpg" /></div>
<div class="inBox box-bottom"><img src="image/spider/header/bottom.jpg" /></div>
</div>
<div class="body-down">
<div class="role-body">
<div class="inBox box-forward"><img src="image/spider/body/forward.jpg" /></div>
<div class="inBox box-back"><img src="image/spider/body/back.jpg" /></div>
<div class="inBox box-left"><img src="image/spider/body/left.jpg" /></div>
<div class="inBox box-right"><img src="image/spider/body/right.jpg" /></div>
<!-- <div class="inBox box-top"><img src="image/spider/body/top.jpg" /></div> -->
<div class="inBox box-bottom"><img src="image/spider/body/bottom.jpg" /></div>
</div>
<div class="role-hand role-hand-left">
<div class="inBox box-forward"><img src="image/spider/hand/forward.jpg" /></div>
<div class="inBox box-back"><img src="image/spider/hand/back.jpg" /></div>
<div class="inBox box-left"><img src="image/spider/hand/left.jpg" /></div>
<div class="inBox box-right"><img src="image/spider/hand/right.jpg" /></div>
<div class="inBox box-top"><img src="image/spider/hand/top.jpg" /></div>
<div class="inBox box-bottom"><img src="image/spider/hand/bottom.jpg" /></div>
</div>
<div class="role-hand role-hand-right">
<div class="inBox box-forward"><img src="image/spider/hand/forward.jpg" /></div>
<div class="inBox box-back"><img src="image/spider/hand/back.jpg" /></div>
<div class="inBox box-left"><img src="image/spider/hand/left.jpg" /></div>
<div class="inBox box-right"><img src="image/spider/hand/right.jpg" /></div>
<div class="inBox box-top"><img src="image/spider/hand/top.jpg" /></div>
<div class="inBox box-bottom"><img src="image/spider/hand/bottom.jpg" /></div>
</div>
<div class="role-footer">
<div class="inBox box-forward"><img src="image/spider/footer/forward.jpg" /></div>
<div class="inBox box-back"><img src="image/spider/footer/back.jpg" /></div>
<div class="inBox box-left"><img src="image/spider/footer/left.jpg" /></div>
<div class="inBox box-right"><img src="image/spider/footer/right.jpg" /></div>
<!-- <div class="inBox box-top"><img src="image/spider/footer/top.jpg" /></div>
<div class="inBox box-bottom"><img src="image/spider/footer/bottom.jpg" /></div>-->
</div>
</div>
<div class="welcome-text">大家好，我是小胡子哥~</div>
</div>
</div>
<!-- <script type="text/javascript" src="./main.js"></script> -->
<script type="text/javascript">
// Game.init();
var _ = function(id)
{
return document.getElementById(id);
}
var ball = _('ball');
var outer = _('outer');
var net = _('net');
var ballx = 0; //球此刻x坐标
var bally = 0; //球此刻x坐标
var ballz = 0; //球此刻x坐标
var fallPosx = 0; //球落点x坐标
var fallPosy = 0; //球落点y坐标
var startPosx = 0; //球出发点x坐标
var startPosy = 0; //球出发点y坐标
var startPosz = 0; //球出发点z坐标
var ballvx = 0; //球x方向的速度 每一回合为常量 vx vy的平方和为v*v
var ballvy = 0; //球x方向的速度 每一回合为常量 vx vy的平方和为v*v
var ballv = 6; //常数 控制球速
var jumpTimes = 0; //反弹次数
var fallTime = 0; //一次运动时间
var nowRound = 1; //1为球向对方移动 0为球向己方移动
var g = 0.0009; //常数 控制重力加速度
var yconstA = -g; //抛物线三参数 A不变
var yconstB = 0; //抛物线三参数 B为计算出
var yconstC = 0; //抛物线三参数 C为击球时高度
var setBall = function(x, y, z)
{
var tX = x / 3 * 2; //因为camera完成了1/3的移动视角
var tY = 297 - z / 10 * 9; //因为camera完成了1/10的移动视角
var tZ = 300 - y;
ball.style.webkitTransform="translateY(" + tY + "px) translateZ(" + tZ + "px)translateX(" + tX + "px)";
shadow.style.webkitTransform="translateY(297px) translateZ(" + tZ + "px)translateX(" + tX + "px) rotateX(90deg)";
}
var moveBall = function()
{
fallTime += 1;
ballx = startPosx + fallTime*ballvx;
bally = startPosy + fallTime*ballvy;
var temp = fallTime*ballv;
ballz = yconstA*temp*temp + yconstB*temp + yconstC;
while (ballz < 0)
{
var x2 = Math.sqrt(Math.pow(fallPosx-startPosx, 2) + Math.pow(fallPosy-startPosy, 2));
var y1 = startPosz;
temp -= x2 + y1 / g / x2;
ballz = yconstA*temp*temp + yconstB*temp + yconstC;
}
setBall(ballx, bally, ballz);
moveCamera(ballx / 3, ballz / 20);
if (fallTime*ballv > Math.sqrt(Math.pow(fallPosx-startPosx, 2) + Math.pow(fallPosy-startPosy, 2)) * (1.2 + Math.random() * 0.2))
{
//模拟击打
hit();
}
else if (fallTime < 500)
{
setTimeout(moveBall, 20);
}
}
var init = function()
{
ballx = 100;
bally = 480;
ballz = 40;
startPosx = ballx;
startPosy = bally;
startPosz = ballz;
setFallPos(-100, -100);
}
var setFallPos = function(x, y)
{
fallPosx = x;
fallPosy = y;
//通过球落地点 来动态计算初始速度
var x2 = Math.sqrt(Math.pow(x-startPosx, 2) + Math.pow(y-startPosy, 2));
var y1 = startPosz;
yconstB = g*x2 - y1/x2; //分母为零
yconstC = y1;
var theta = Math.atan((y-startPosy) / (x-startPosx)); //分母为零
if (x < startPosx)
{
theta += Math.PI;
}
ballvx = ballv * Math.cos(theta);
ballvy = ballv * Math.sin(theta);
fallTime = 0;
jumpTimes = 0;
nowRound = !nowRound + 0;
}
var hit = function()
{
startPosx = ballx;
startPosy = bally;
startPosz = ballz;
if (nowRound)
{
setFallPos(parseInt(Math.random() * 400) - 200, 300 - parseInt(50 + Math.random() * 350));
}
else
{
setFallPos(parseInt(Math.random() * 400) - 200, 300 + parseInt(50 + Math.random() * 350));
}
moveBall();
}
var moveCamera = function(x, z)
{
outer.style.webkitTransform = "rotateX(90deg) translateZ(" + (z*-1-300) + "px) translateX(" + (x*-1) + "px)";
net.style.webkitTransform = "translateY(" + (z+300) + "px) translateX(" + (x*-1) + "px)";
}
init();
// setBall(0, 0, 0);
moveBall();
var roleBox = document.querySelector(".rolebox");
roleBox.addEventListener('webkitAnimationEnd', function(){
// 动画结束修改图片
var roleBox2 = roleBox.cloneNode(true);
[].slice.call(roleBox2.querySelectorAll("img")).forEach(function(item, index){
var attr = item.getAttribute("src");
item.setAttribute("src", attr.replace("spider", "spider"));
});
// 修改文字信息
roleBox2.querySelector(".welcome-text").innerHTML = "大家好，我就是小胡子~";
// 添加Class
var roleClass = roleBox2.getAttribute("class");
roleBox2.classList.remove("role-action-run");
roleBox2.classList.add("role-action-jump");
document.querySelector("#beforeGame").appendChild(roleBox2);
roleBox.style.top = "9999px";
})
</script>
</body>
</html>
<script src='http://www.barretlee.com/demo-platform.js'></script>