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网页版台球小游戏

主要是用html  js  css 做的一个网页版小游戏,从网上看到的所以整理下面给大家看看

先来看效果图

然后随便点击一个地方

这个和网页版的台球小游戏是一样的操作

下面是源代码

html文件

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title></title>
<link href="css/zzsc.css" rel="stylesheet" type="text/css">
<script type="text/javascript" src="js/zzsc.js"></script>
</head>
<body>
    <div id="table">
        <div id="scoreBoard"></div>
    </div>
    <div class="bot">
        <div id="tips"></div>
        <div class = "ctrl">
            <div id="force"></div>
            <div id="shootPos"> 
                <div id="dot"></div>
            </div>
        </div>
    </div>

</body>
</html>

然后css文件

* {margin:0; padding:0}
body {background:black; text-align:center}
h1 {font-size:12px; color:gray; font-weight:normal; line-height:200%}
h1 .sub {vertical-align:super; color:red; font-size:9px; }
.info {position:absolute; right:0}
#table {position:relative; width:800px; margin:20px auto 10px; height:544px; background:url(images/table.jpg) no-repeat}
.ball {position:absolute; width:30px; height:30px}
#dotWrap {position:absolute; z-index:2; left:32px; top:32px; width:736px; height:480px}
.guide {z-index:3; background-image:url(images/dashed_ball.png); _background:none; _filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled='true', sizingMethod='scale', src="images/dashed_ball.png"); background-repeat:no-repeat}
.target {left:500px; top:250px; background-image:url(images/yellow_ball.png); _background:none; _filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled='true', sizingMethod='scale', src="images/yellow_ball.png"); background-repeat:no-repeat}
.cue {background-image:url(images/white_ball.png); _background:none; _filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled='true', sizingMethod='scale', src="images/white_ball.png"); background-repeat:no-repeat}
.bot {position:relative; width:800px; margin:10px auto 10px; height:70px}
.ctrl {position:absolute; top:0; right:0; width:200px; height:80px; background:url(images/bg_controler.png) no-repeat}
#force {position:absolute; left:0; top:18px; width:75px; height:20px; background:url(images/force_conver.png) no-repeat}
#shootPos {position:absolute; top:0; right:14px; width:52px; height:52px}
#dot {position:absolute; top:22px; left:22px; width:8px; height:8px; background:url(images/bule_dot.png) no-repeat; font-size:1px}
#scoreBoard {position:absolute; z-index:3; top:230px; left:346px; font-size:50px; color:white; filter:alpha(opacity=0); -moz-opacity:0; opacity:0}
#tips {padding:15px 0 0 20px; text-align:left; color:red; font-size:12px}

js文件

// common 
function $(str) {
    return document.getElementById(str);
}

function $tag(str,target) {
    target = target || document;
    return target.getElementsByTagName(str);
}

function addEventHandler(obj,eType,fuc){
    if(obj.addEventListener){ 
        obj.addEventListener(eType,fuc,false); 
    }else if(obj.attachEvent){ 
        obj.attachEvent("on" + eType,fuc); 
    }else{ 
        obj["on" + eType] = fuc; 
    } 
} 

function removeEventHandler(obj,eType,fuc){
    if(obj.removeEventListener){ 
        obj.removeEventListener(eType,fuc,false); 
    }else if(obj.attachEvent){ 
        obj.detachEvent("on" + eType,fuc); 
    } 
}

function randowNum(start,end) {
    return Math.floor(Math.random()*(end - start)) + start;
}

Array.prototype.remove=function(dx) {
    if(isNaN(dx)||dx>this.length){return false;}
    for(var i=0,n=0;i<this.length;i++)
    {
        if(this[i]!=this[dx])
        {
            this[n++]=this[i]
        }
    }
    this.length-=1
}

//const
var TOTALR = 15, //球的半径(包括阴影)
    R = 12, //球真实半径
    POKER = 20,
    W = 736, //案宽
    H = 480, //案高
    THICKNESS =  32, //边缘厚度
    RATE = 100, //刷新频率
    F = 0.01, //摩擦力
    LOSS = 0.2, // 碰撞速度损失
    TIPS = ["Tip1: 参考球,目标球,目标袋,三点一线,这是最基本的进球方法","Tip2: 右下角蓝条代表击球力度,小的力度更便于控制母球位置","Tip3: 右下角白球上的蓝点控制击球点,高杆,低杆,加塞都由它控制,高手与菜鸟的区别往往在此","Tip4: 桌球,其实打的不是目标球,是母球"];
var table, //案子
    cueBall, //母球
    guideBall, //参考球
    dotWrap, //参考线
    speed = 12,
    rollUp = 0,
    rollRight = 0,
    timer,
    forceTimer,
    balls = [],
    movingBalls = [],
    pokes = [[0,0],[W/2,-5],[W,0],[0,H],[W/2,H+5],[W,H]],
    hasShot = false;
    shots = 0; //连击次数
    
window.onload = function() {
    initTable();
    initShootPos();
    showTips();
    startGame();
}

function startGame() {
    initBall();
    addEventHandler(table,"mousemove",dragCueBall);
    addEventHandler(table,"mouseup",setCueBall);
}

function initTable() {
    table = $("table");
    var dotWrapDiv = document.createElement("div"),
        guideBallDiv = document.createElement("div");
    dotWrapDiv.id = "dotWrap";
    guideBallDiv.className = "guide ball";
    setStyle(guideBallDiv,"display","none");
    dotWrap = table.appendChild(dotWrapDiv);
    guideBall = table.appendChild(guideBallDiv);
}

function initBall() {

    //添加母球
    cueBall = new Ball("cue",170,H/2);
    balls.push(cueBall);
    
    //添加目标球
    for(var i = 0; i < 5; i++) {
        for(var j = 0; j <= i; j++)    {
            var ball = new Ball("target",520 + i*2*R, H/2 - R*i + j*2*R);
            balls.push(ball);
        }
    }
}

function initShootPos() {
    var wrap = $("shootPos"),
        handler = $("dot"),
        arrowR = 18;
    addEventHandler(wrap,"mousedown",selectDot);
    function selectDot(e) {
        e = e || event;
        var pos = getElemPos(wrap),
            x = e.clientX - pos[0] - handler.offsetWidth/2,
            y = e.clientY - pos[1] - handler.offsetHeight/2;
            
        if(Math.sqrt((x-22)*(x-22) + (y-22)*(y-22)) > arrowR) {
            var angle = Math.atan2(x-22,y-22);
            x = arrowR*Math.sin(angle) + 22;
            y = arrowR*Math.cos(angle) + 22;
        }
        setPos(handler,x,y);        
    }
}

function getElemPos(target,reference) {
    reference = reference || document;
    var left = 0,top = 0;
    return getPos(target);
    function getPos(target) {
        if(target != reference) {
            left += target.offsetLeft;
            top += target.offsetTop;
            return getPos(target.parentNode);
        } else {
            return [left,top];
        }
    }
}

// ball class
function Ball(type,x,y) {
    var div = document.createElement("div");
    div.className = type + " ball";
    this.elem = table.appendChild(div);
    this.type = type;
    this.x = x; //位置
    this.y = y;
    this.angle = 0; //角度
    this.v = 0; //速度(不包含方向)
    setBallPos(this.elem,x,y);
    return this;
}

function setCueBall() {
    removeEventHandler(table,"mousemove",dragCueBall);
    removeEventHandler(table,"mouseup",setCueBall);
    startShot();
}

function startShot() {
    show(cueBall.elem);
    addEventHandler(table,"mousemove",showGuide);
    addEventHandler(table,"mousedown",updateForce);
    addEventHandler(table,"mouseup",shotCueBall);
    
}

function dragCueBall(e) {
    var toX,toY;
    e = e || event;
    toX = e.clientX - table.offsetLeft - THICKNESS,
    toY = e.clientY - table.offsetTop - THICKNESS;
    
    toX = toX >= R ? toX : R;
    toX = toX <= 170 ? toX : 170;
    toY = toY >= R ? toY : R;
    toY = toY <= H - R ? toY : H - R;
        
    setBallPos(cueBall,toX,toY);
}

function shotCueBall() {
    removeEventHandler(table,"mousemove",showGuide);
    removeEventHandler(table,"mousedown",updateForce);
    removeEventHandler(table,"mouseup",shotCueBall);
    window.clearInterval(forceTimer);
    speed = $("force").offsetWidth * 0.15;
    var dotDisX = $("dot").offsetLeft-22,
        dotDisY = $("dot").offsetTop-22,
        dotDis = Math.sqrt(dotDisX*dotDisX + dotDisY*dotDisY),
        dotAngle = Math.atan2(dotDisX,dotDisY);
    rollRight = Math.round(dotDis*Math.sin(dotAngle))/5;
    rollUp = -Math.round(dotDis*Math.cos(dotAngle))/5;

    var formPos = getBallPos(cueBall.elem),
        toPos = getBallPos(guideBall),
        angle = Math.atan2(toPos[0] - formPos[0],toPos[1] - formPos[1]);
        
    hide(dotWrap);
    hide(guideBall);
    cueBall.v = speed;
    cueBall.angle = angle;
    movingBalls.push(cueBall);
    
    timer = window.setInterval(roll,1000 / RATE);
}

function showGuide(e) {
    var fromX,fromY,toX,toY;
    e = e || event;
    toX = e.clientX - table.offsetLeft - THICKNESS,
    toY = e.clientY - table.offsetTop - THICKNESS;
    setBallPos(guideBall,toX,toY);
    show(dotWrap);
    show(guideBall);
    drawLine();
    
    //参考线
    function drawLine() {
        var dotNum = 16,
            pos = getBallPos(cueBall.elem);
        dotWrap.innerHTML = "";
        fromX = pos[0];
        fromY = pos[1];
        var partX = (toX - fromX) / dotNum,
            partY = (toY - fromY) / dotNum;
        for(var i = 1; i < dotNum; i++) {
            var x = fromX + partX * i,
                y = fromY + partY * i;
            drawDot(dotWrap, x, y);
        }        
    }
}

function roll() {
    if(movingBalls.length <= 0) {
        if(!hasShot) shots = 0;
        else shots ++; //累计连击

        hasShot = false;
        setStyle($("force"),"width",80+"px");
        setPos($("dot"),22,22);        
        window.clearInterval(timer);
        
        if(shots > 1) showScore(shots); //显示连击数
        startShot();
    }
    for(var i = 0; i < movingBalls.length; i++) {
        var ball = movingBalls[i],
            sin = Math.sin(ball.angle),
            cos = Math.cos(ball.angle);
        ball.v -= F;
        //移除静止的小球
        if(Math.round(ball.v) == 0) {
            ball.v = 0;
            movingBalls.remove(i);
            continue;    
        }
        var vx = ball.v * sin,
            vy = ball.v * cos;
        ball.x += vx;
        ball.y += vy;
                
        //入袋
        if(isPocket(ball.x,ball.y)) {
            hide(ball.elem);
            
            if(ball.type == "cue") {
                    if(!hasShot) shots = 0;
                    hasShot = false;

                window.setTimeout(function(){
                
                    ball.v = 0;    
                    setBallPos(ball,170,250);
                    
                },500);

            }else {
                //移除入袋小球
                hasShot = true;
                ball.v = 0;    
                for(var k = 0, l =0; k < balls.length; k++) {
                    if(balls[k] != ball) {
                        balls[l++] = balls[k];
                    }
                }
                balls.length -= 1;
            }
            return;
        }
        
        //边缘碰撞
        if(ball.x < R || ball.x > W - R) {
            ball.angle *= -1;
            ball.angle %= Math.PI;
            ball.v = ball.v * (1 - LOSS);
            vx = ball.v*Math.sin(ball.angle);
            vy = ball.v*Math.cos(ball.angle);
            if(ball.x < R) ball.x = R;
            if(ball.x > W - R) ball.x = W - R;
            //母球加塞
            if(ball.type == "cue")    {
                if(ball.angle > 0) vy -= rollRight;
                else vy += rollRight;
                vx += rollUp;
                rollUp *= 0.2;
                rollRight *= 0.2;
                ball.v = Math.sqrt(vx*vx + vy*vy);
                ball.angle = Math.atan2(vx,vy);
            }                
        }
        if(ball.y < R || ball.y > H - R) {
            ball.angle = ball.angle > 0 ? Math.PI - ball.angle : - Math.PI - ball.angle ;
            ball.angle %= Math.PI;
            ball.v = ball.v * (1 - LOSS);
            vx = ball.v*Math.sin(ball.angle);
            vy = ball.v*Math.cos(ball.angle);
            if(ball.y < R) ball.y = R;
            if(ball.y > H - R) ball.y = H - R;    
            //母球加塞
            if(ball.type == "cue")    {
                if(Math.abs(ball.angle) < Math.PI/2) vx += rollRight;
                else vx -= rollRight;
                vy += rollUp;
                rollUp *= 0.2;
                rollRight *= 0.2;
                ball.v = Math.sqrt(vx*vx + vy*vy);
                ball.angle = Math.atan2(vx,vy);
            }                    
        }
        
        //小球碰撞
        for(var j = 0; j < balls.length; j++) {
            var obj = balls[j];
            if(obj == ball) continue;
            var disX = obj.x - ball.x,
                disY = obj.y - ball.y,
                gap = 2 * R;
            if(disX <= gap && disY <= gap) {
                var dis = Math.sqrt(Math.pow(disX,2)+Math.pow(disY,2));
                if(dis <= gap) {

                    //如果是静止的,则添加到数组movingBalls
                    if(Math.round(obj.v) == 0)    
                    movingBalls.push(obj);
                    
                    //将坐标旋转到x轴进行碰撞计算
                    
                    // 计算角度和正余弦值 - 精确值
                    //var c = (obj.x*ball.y - obj.y*ball.x)/(2*R),
                    //    d = Math.sqrt(ball.x*ball.x + ball.y*ball.y),
                    //    angle = Math.asin(ball.y/d) - Math.asin(c/d) - ball.angle%(Math.PI/2),
                        //angle =  Math.asin(oy / (2 * R)),
                    
                    //还原两球相切状态 - 近似值
                    ball.x -= (gap - dis)*sin;
                    ball.y -= (gap - dis)*cos;
                    disX = obj.x - ball.x;
                    disY = obj.y - ball.y;
                    
                    // 计算角度和正余弦值
                    var angle = Math.atan2(disY, disX),
                        hitsin = Math.sin(angle),
                        hitcos = Math.cos(angle),
                        objVx = obj.v * Math.sin(obj.angle),
                        objVy = obj.v * Math.cos(obj.angle);
                        //trace(angle*180/Math.PI);
                        
                    // 旋转坐标
                    var x1 = 0,
                        y1 = 0,
                        x2 = disX * hitcos + disY * hitsin,
                        y2 = disY * hitcos - disX * hitsin,
                        vx1 = vx * hitcos + vy * hitsin,
                        vy1 = vy * hitcos - vx * hitsin,
                        vx2 = objVx * hitcos + objVy * hitsin,
                        vy2 = objVy * hitcos - objVx * hitsin;
                    
                    // 碰撞后的速度和位置
                    var plusVx = vx1 - vx2;
                    vx1 = vx2;
                    vx2 = plusVx + vx1;
                    
                    //母球加塞
                    if(ball.type == "cue")    {
                        vx1 += rollUp;
                        rollUp *= 0.2;
                    }                
                    
                    x1 += vx1;
                    x2 += vx2;
                    
                    // 将位置旋转回来
                    var x1Final = x1 * hitcos - y1 * hitsin,
                        y1Final = y1 * hitcos + x1 * hitsin,
                        x2Final = x2 * hitcos - y2 * hitsin,
                        y2Final = y2 * hitcos + x2 * hitsin;
                    obj.x = ball.x + x2Final;
                    obj.y = ball.y + y2Final;
                    ball.x = ball.x + x1Final;
                    ball.y = ball.y + y1Final;
                    
                    // 将速度旋转回来
                    vx = vx1 * hitcos - vy1 * hitsin;
                    vy = vy1 * hitcos + vx1 * hitsin;
                    objVx = vx2 * hitcos - vy2 * hitsin;
                    objVy = vy2 * hitcos + vx2 * hitsin; 
                    
                    //最终速度
                    ball.v = Math.sqrt(vx*vx + vy*vy) * (1 - 0);
                    obj.v = Math.sqrt(objVx*objVx + objVy*objVy) * (1 - 0);
                    
                    // 计算角度
                    ball.angle = Math.atan2(vx , vy);
                    obj.angle = Math.atan2(objVx , objVy);    
                                                            
                    //break;
                }
            }
        }
                
        setBallPos(ball,ball.x,ball.y);    
    }
}

function isPocket(x,y) {
    if(y < POKER) return check(0,2);
    else if (y > H - POKER) return check(3,5);
    else return false;
    
    function check(m,n) {
        for(var i=m; i<=n; i++) {
            if(x >= pokes[i][0] - POKER && x <= pokes[i][0] + POKER) {
                var dis = Math.sqrt(Math.pow(x - pokes[i][0],2) + Math.pow(y - pokes[i][1],2));
                if(dis <= POKER) return true;
                else return false;
            }
        }    
    } 
    
}

function getBallPos(obj) {
    var pos = [];
    pos.push(obj.offsetLeft - THICKNESS + TOTALR);
    pos.push(obj.offsetTop - THICKNESS + TOTALR);
    return pos;
}

function setPos(obj,x,y) {
    obj.style.left = x + "px";
    obj.style.top = y + "px";
}

function setBallPos(ball,x,y) {
    if(ball.constructor == Ball) {
        ball.x = x;
        ball.y = y;
        ball = ball.elem;
    }
    setPos(ball,x + THICKNESS - TOTALR,y + THICKNESS - TOTALR);
}

function drawDot(wrap,x,y) {
    var elem = document.createElement("div");
    setStyle(elem,{
        position: "absolute",
        width: "1px",
        height: "1px",
        fontSize: "1px",
        background: "white"
    });
    setPos(elem,x,y);
    wrap.appendChild(elem);
}

function updateForce() {
    var obj = $("force"),
        len = 80,
        up = true;
    forceTimer = window.setInterval(update,10);
    
    function update() {
         if(up) setStyle(obj,"width",len+++"px");
         else setStyle(obj,"width",len--+"px");
         if(len > 136) up = false;
         if(len <= 0) up = true;
    }
    
}

function setStyle() {
    if(arguments.length == 2 &&  typeof arguments[1] == "object") {
        for(var key in arguments[1]) {
            arguments[0].style[key] = arguments[1][key];
        }
    } else if (arguments.length > 2) {
        arguments[0].style[arguments[1]] = arguments[2];
    }
}

function hide(obj) {
    setStyle(obj,"display","none");
}

function show(obj) {
    setStyle(obj,"display","block");
}

//输出信息
function trace(sth,who) {
    who = who || $("tips");
    if(document.all) who.innerText = sth;
    else who.textContent = sth;
    return who;
}

function showScore(n) {
    var wrap = $("scoreBoard");
    trace(n+"连杆",wrap);
    fadeIn(wrap);
}

function fadeIn(obj){
    var fromY = 230,
        posStep = [8,14,19,23,26,28,29,29,30,30,30],
        opaStep = [0,0.05,0.1,0.15,0.2,0.25,0.3,0.4,0.5,0.6,0.8],
        fromOpa = 0,
        t = 0,
        step = posStep.length,
        inTimer = window.setInterval(showIn,20),
        outTimer;
    
    function showIn() {
        setOpacity(obj,opaStep[t]);
        obj.style.top = fromY + posStep[t] + "px";
        t++;
        if(t>=step) {
            window.clearInterval(inTimer);
            outTimer = window.setInterval(fadeOut,50);
        }    
    }
    
    function fadeOut() {
        t--;
        setOpacity(obj,opaStep[t]);
        obj.style.top = fromY + posStep[t] + "px";
        if(t <= 0) {
            window.clearInterval(outTimer);
            hide(obj);
        }
    }
    
}

function setOpacity(obj,n) {
    obj.style.cssText = "filter:alpha(opacity="+ n*100 +"); -moz-opacity:"+ n +"; opacity:"+ n;
}

function showTips() {
    var i = 0;
    tip();
    window.setInterval(tip,3000);
    
    function tip() {
        trace(TIPS[i++]);
        if(i >= TIPS.length) i = 0;
    }
}

图片

这样就可以实现网页版打台球的小游戏啦,有想试试的,可以问我要图片,实现功能,加上图片,就需要这四个文件,js文件很关键。主要看js是怎么写的,如果你也感兴趣,那么来动手试试吧

posted @ 2017-07-21 15:44  风中摇曳的小花朵  阅读(1851)  评论(5编辑  收藏  举报