非常震撼的纯CSS3人物行走动画

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今天分享给大家的是一个用纯CSS3实现的人物行走动画，在没有使用JavaScript的情况下，用CSS3技术将人物行走的姿态描绘得非常逼真。其实动画实现的原理也是比较简单的，将人物行走时的状态分割成多张图片，然后利用CSS3的动画属性将这些图片串联起来形成人物行走动画效果。

在线演示源码下载

HTML代码

<div id="canvas">
        <div class="sky">
            <div class="cloud-1"></div>
            <div class="cloud-2"></div>
            <div class="cloud-3"></div>
            <div class="cloud-4"></div>
            <div class="cloud-5"></div>
            <div class="cloud-6"></div>
            <div class="cloud-7"></div>
            <div class="cloud-8"></div>
        </div>
        <div class="horizon"></div>
        <div class="ground">
            <div class="sign-best"></div>
            <div class="sign-no-js"></div>
            <div class="sign-lots-of-divs"></div>
            <div class="sign-all-css"></div>
        </div>
        <!-- skeleton and shadow -->
        <div class="shadow"></div>
        <div class="me">

            <div class="torso">
                <div class="left leg">
                    <div class="left thigh">
                        <div class="left shin">
                            <div class="left foot">
                                <div class="left toes"></div>
                            </div>
                        </div>
                    </div>
                </div>
 <!-- left leg -->

                <div class="right leg">
                    <div class="right thigh">
                        <div class="right shin">
                            <div class="right foot">
                                <div class="right toes"></div>
                            </div>
                        </div>
                    </div>
                </div>
 <!-- right leg -->

                <div class="left arm">
                    <div class="left bicep">
                        <div class="left forearm"></div>
                    </div>
                </div>
 <!-- left arm -->

                <div class="right arm">
                    <div class="right bicep">
                        <div class="right forearm"></div>
                    </div>
                </div>
 <!-- right arm -->

            </div>
 <!-- torso -->
        </div>
 <!-- me -->

        <div class="overlay"></div>
    </div>

基本CSS代码

#canvas {
    height: 600px;
    width: 760px;
    margin: 0;
    padding: 0;
    position: relative;
    overflow: hidden;
}

#canvas div {
    position: absolute;
    -webkit-animation-iteration-count: infinite;
    -moz-animation-iteration-count: infinite;
    -ms-animation-iteration-count: infinite;
    -o-animation-iteration-count: infinite;
    animation-iteration-count: infinite;

    -webkit-animation-timing-function: linear;
    -moz-animation-timing-function: linear;
    -ms-animation-timing-function: linear;
    -o-animation-timing-function: linear;
    animation-timing-function: linear;
}

#canvas:target div:not(.overlay) {
    border: 1px solid black;
}

#canvas:target div.me div{
    background: rgba(255, 255, 255, 0.25);
}

.me {
    top: 50px; left: 350px;
    -webkit-animation-name: me;
    -moz-animation-name: me;
    -ms-animation-name: me;
    -o-animation-name: me;
    animation-name: me;
}

.me, .me div {
    background-repeat: no-repeat;
    -webkit-animation-duration: 1750ms;
    -moz-animation-duration: 1750ms;
    -ms-animation-duration: 1750ms;
    -o-animation-duration: 1750ms;
    animation-duration: 1750ms;
}

.torso {
    width: 86px; height: 275px;
    background-image: url(images/me/torso.png);
}

.arm {
    left: 12px;
    -webkit-transform-origin: 20px 10px;
    -moz-transform-origin: 20px 10px;
    -ms-transform-origin: 20px 10px;
    -o-transform-origin: 20px 10px;
    transform-origin: 20px 10px;
}

.right.arm {
    top: 93px;
    -webkit-animation-name: right-bicep;
    -moz-animation-name: right-bicep;
    -ms-animation-name: right-bicep;
    -o-animation-name: right-bicep;
    animation-name: right-bicep;
}
.left.arm {
    top: 87px;
    -webkit-animation-name: left-bicep;
    -moz-animation-name: left-bicep;
    -ms-animation-name: left-bicep;
    -o-animation-name: left-bicep;
    animation-name: left-bicep;
}

.bicep {
    height: 124px; width: 51px;
}

.right.bicep { background-image: url(images/me/right-bicep.png); }
.left.bicep { background-image: url(images/me/left-bicep.png); }

.forearm {
    top: 108px; left: 14px;
    width: 36px; height: 121px;
    -webkit-transform-origin: 3px 7px;
    -moz-transform-origin: 3px 7px;
    -ms-transform-origin: 3px 7px;
    -o-transform-origin: 3px 7px;
    transform-origin: 3px 7px;
}

.right.forearm {
    background-image: url(images/me/right-forearm.png);
    -webkit-animation-name: right-forearm;
    -moz-animation-name: right-forearm;
    -ms-animation-name: right-forearm;
    -o-animation-name: right-forearm;
    animation-name: right-forearm;
}

.left.forearm {
    background-image: url(images/me/left-forearm.png);
    -webkit-animation-name: left-forearm;
    -moz-animation-name: left-forearm;
    -ms-animation-name: left-forearm;
    -o-animation-name: left-forearm;
    animation-name: left-forearm;
}

.leg {
    left: 6px;
    -webkit-transform-origin: 30px 20px;
    -moz-transform-origin: 30px 20px;
    -ms-transform-origin: 30px 20px;
    -o-transform-origin: 30px 20px;
    transform-origin: 30px 20px;
    -webkit-animation-name: thigh;
    -moz-animation-name: thigh;
    -ms-animation-name: thigh;
    -o-animation-name: thigh;
    animation-name: thigh;
}

.right.leg {
    top: 235px;
    -webkit-animation-name: right-thigh;
    -moz-animation-name: right-thigh;
    -ms-animation-name: right-thigh;
    -o-animation-name: right-thigh;
    animation-name: right-thigh;
}

.left.leg {
    top: 225px;
    -webkit-animation-name: left-thigh;
    -moz-animation-name: left-thigh;
    -ms-animation-name: left-thigh;
    -o-animation-name: left-thigh;
    animation-name: left-thigh;
}

.thigh {
    width: 70px; height: 145px;
}

.left.thigh { background-image: url(images/me/left-thigh.png); }
.right.thigh { background-image: url(images/me/right-thigh.png); }

.shin {
    top: 115px;
    width: 50px; height: 170px;
    background-image: url(images/me/shin.png);
    -webkit-transform-origin: 30px 25px;
    -moz-transform-origin: 30px 25px;
    -ms-transform-origin: 30px 25px;
    -o-transform-origin: 30px 25px;
    transform-origin: 30px 25px;
}

.right.shin {
    -webkit-animation-name: right-shin;
    -moz-animation-name: right-shin;
    -ms-animation-name: right-shin;
    -o-animation-name: right-shin;
    animation-name: right-shin;
}
.left.shin {
    -webkit-animation-name: left-shin;
    -moz-animation-name: left-shin;
    -ms-animation-name: left-shin;
    -o-animation-name: left-shin;
    animation-name: left-shin;
}

.foot {
    top: 155px; left: 2px;
    width: 67px; height: 34px;
    background-image: url(images/me/foot.png);
    -webkit-transform-origin: 0 50%;
    -moz-transform-origin: 0 50%;
    -ms-transform-origin: 0 50%;
    -o-transform-origin: 0 50%;
    transform-origin: 0 50%;
}

.right.foot {
    -webkit-animation-name: right-foot;
    -moz-animation-name: right-foot;
    -ms-animation-name: right-foot;
    -o-animation-name: right-foot;
    animation-name: right-foot;
}
.left.foot {
    -webkit-animation-name: left-foot;
    -moz-animation-name: left-foot;
    -ms-animation-name: left-foot;
    -o-animation-name: left-foot;
    animation-name: left-foot;
}

.toes {
    top: 9px; left: 66px;
    width: 28px; height: 25px;
    background-image: url(images/me/toes.png);
    -webkit-transform-origin: 0% 100%;
    -moz-transform-origin: 0% 100%;
    -ms-transform-origin: 0% 100%;
    -o-transform-origin: 0% 100%;
    transform-origin: 0% 100%;
}

.right.toes {
    -webkit-animation-name: right-toes;
    -moz-animation-name: right-toes;
    -ms-animation-name: right-toes;
    -o-animation-name: right-toes;
    animation-name: right-toes;
}
.left.toes {
    -webkit-animation-name: left-toes;
    -moz-animation-name: left-toes;
    -ms-animation-name: left-toes;
    -o-animation-name: left-toes;
    animation-name: left-toes;
}

.shadow {
    width: 200px; height: 70px;
    left: 270px; bottom: 5px;
    background-image: url(images/misc/shadow.png);
    -webkit-animation-name: shadow;
    -moz-animation-name: shadow;
    -ms-animation-name: shadow;
    -o-animation-name: shadow;
    animation-name: shadow;
}

/* setting proper z-indexes so that limbs show up correctly */

div.right.arm { z-index: 1; }
div.left.arm { z-index: -3; }
div.arm > div.bicep > div.forearm { z-index: -1; }

div.right.leg { z-index: -1; }
div.left.leg { z-index: -2; }
div.leg > div.thigh > div.shin { z-index: -1; }

.overlay {
    width: 100%; height: 100%;
    background: url(images/misc/gradient-left.png) repeat-y top left,
                url(images/misc/gradient-right.png) repeat-y top right;
}

.sky div {
    background-repeat: no-repeat;
    -webkit-animation-name: prop-1200;
    -moz-animation-name: prop-1200;
    -ms-animation-name: prop-1200;
    -o-animation-name: prop-1200;
    animation-name: prop-1200;
}

.cloud-1, .cloud-2 {
    width: 82px; height: 90px;
    background-image: url(images/clouds/1.png);
    -webkit-animation-duration: 120s;
    -moz-animation-duration: 120s;
    -ms-animation-duration: 120s;
    -o-animation-duration: 120s;
    animation-duration: 120s;
}

.cloud-3, .cloud-4 {
    top: 70px;
    width: 159px; height: 90px;
    background-image: url(images/clouds/2.png);
    -webkit-animation-duration: 80s;
    -moz-animation-duration: 80s;
    -ms-animation-duration: 80s;
    -o-animation-duration: 80s;
    animation-duration: 80s;
}

.cloud-5, .cloud-6 {
    top: 30px;
    width: 287px; height: 62px;
    background-image: url(images/clouds/3.png);
    -webkit-animation-duration: 140s;
    -moz-animation-duration: 140s;
    -ms-animation-duration: 140s;
    -o-animation-duration: 140s;
    animation-duration: 140s;
}

.cloud-7, .cloud-8 {
    top: 100px;
    width: 94px; height: 81px;
    background-image: url(images/clouds/4.png);
    -webkit-animation-duration: 90s;
    -moz-animation-duration: 90s;
    -ms-animation-duration: 90s;
    -o-animation-duration: 90s;
    animation-duration: 90s;
}

.cloud-1 { left: 0px; }
.cloud-2 { left: 1200px; }

.cloud-3 { left: 250px; }
.cloud-4 { left: 1450px; }

.cloud-5 { left: 500px; }
.cloud-6 { left: 1700px; }

.cloud-7 { left: 950px; }
.cloud-8 { left: 2150px; }

.horizon {
    top: 350px;
    width: 1800px; height: 50px;
    background: url(images/misc/horizon.png) repeat-x;
    -webkit-animation-name: prop-600;
    -moz-animation-name: prop-600;
    -ms-animation-name: prop-600;
    -o-animation-name: prop-600;
    animation-name: prop-600;
    -webkit-animation-duration: 40s;
    -moz-animation-duration: 40s;
    -ms-animation-duration: 40s;
    -o-animation-duration: 40s;
    animation-duration: 40s;
}

.ground div {
    background-repeat: no-repeat;
    -webkit-animation-name: prop-2000;
    -moz-animation-name: prop-2000;
    -ms-animation-name: prop-2000;
    -o-animation-name: prop-2000;
    animation-name: prop-2000;
}

.sign-all-css {
    width: 160px; height: 188px;
    top: 325px; left: 1600px;
    background-image: url(images/signs/all-css.png);
    -webkit-animation-duration: 35s;
    -moz-animation-duration: 35s;
    -ms-animation-duration: 35s;
    -o-animation-duration: 35s;
    animation-duration: 35s;
}

.sign-lots-of-divs {
    width: 102px; height: 120px;
    top: 345px; left: 1150px;
    background-image: url(images/signs/lots-of-divs.png);
    -webkit-animation-duration: 56s;
    -moz-animation-duration: 56s;
    -ms-animation-duration: 56s;
    -o-animation-duration: 56s;
    animation-duration: 56s;
}

.sign-no-js {
    width: 65px; height: 77px;
    top: 348px; left: 1150px;
    background-image: url(images/signs/no-js.png);
    -webkit-animation-duration: 71s;
    -moz-animation-duration: 71s;
    -ms-animation-duration: 71s;
    -o-animation-duration: 71s;
    animation-duration: 71s;
}

.sign-best {
    width: 43px; height: 50px;
    top: 350px; left: 1000px;
    background-image: url(images/signs/best.png);
    -webkit-animation-duration: 95s;
    -moz-animation-duration: 95s;
    -ms-animation-duration: 95s;
    -o-animation-duration: 95s;
    animation-duration: 95s;
}

CSS动画相关代码

@-webkit-keyframes me {
    0% { -webkit-transform:   rotate(5deg) translate( 5px,   0px); }
    25% { -webkit-transform:  rotate(5deg) translate(-5px, -14px); }
    50% { -webkit-transform:  rotate(5deg) translate( 5px,   0px); }
    75% { -webkit-transform:  rotate(5deg) translate(-5px, -14px); }
    100% { -webkit-transform: rotate(5deg) translate( 5px,   0px); }
}

@-webkit-keyframes right-bicep {
    0%   { -webkit-transform: rotate(26deg); }
    50%  { -webkit-transform: rotate(-20deg); }
    100% { -webkit-transform: rotate(26deg); }
}

@-webkit-keyframes left-bicep {
    0%   { -webkit-transform: rotate(-20deg); }
    50%  { -webkit-transform: rotate(26deg); }
    100% { -webkit-transform: rotate(-20deg); }
}

@-webkit-keyframes right-forearm {
    0%   { -webkit-transform: rotate(-10deg); }
    50%  { -webkit-transform: rotate(-45deg); }
    100% { -webkit-transform: rotate(-10deg); }
}

@-webkit-keyframes left-forearm {
    0%   { -webkit-transform: rotate(-45deg); }
    50%  { -webkit-transform: rotate(-10deg); }
    100% { -webkit-transform: rotate(-45deg); }
}

@-webkit-keyframes right-thigh {
    0%   { -webkit-transform: rotate(-45deg); }
    50%  { -webkit-transform: rotate(10deg); }
    100% { -webkit-transform: rotate(-45deg); }
}

@-webkit-keyframes left-thigh {
    0%   { -webkit-transform: rotate(10deg); }
    50%  { -webkit-transform: rotate(-45deg); }
    100% { -webkit-transform: rotate(10deg); }
}

@-webkit-keyframes right-shin {
    0%   { -webkit-transform: rotate(30deg); }
    25%  { -webkit-transform: rotate(20deg); }
    50%  { -webkit-transform: rotate(20deg); }
    75%  { -webkit-transform: rotate(85deg); }
    100% { -webkit-transform: rotate(30deg); }
}

@-webkit-keyframes left-shin {
    0%   { -webkit-transform: rotate(20deg); }
    25%  { -webkit-transform: rotate(85deg); }
    50%  { -webkit-transform: rotate(30deg); }
    75%  { -webkit-transform: rotate(20deg); }
    100% { -webkit-transform: rotate(20deg); }
}

@-webkit-keyframes right-foot {
    0%   { -webkit-transform: rotate(-5deg); }
    25%  { -webkit-transform: rotate(-7deg); }
    50%  { -webkit-transform: rotate(-16deg); }
    75%  { -webkit-transform: rotate(-10deg); }
    100% { -webkit-transform: rotate(-5deg); }
}

@-webkit-keyframes left-foot {
    0%   { -webkit-transform: rotate(-16deg); }
    25%  { -webkit-transform: rotate(-10deg); }
    50%  { -webkit-transform: rotate(-5deg); }
    75%  { -webkit-transform: rotate(-7deg); }
    100% { -webkit-transform: rotate(-16deg); }
}

@-webkit-keyframes right-toes {
    0%   { -webkit-transform: rotate(0deg); }
    25%  { -webkit-transform: rotate(-10deg); }
    50%  { -webkit-transform: rotate(-10deg); }
    75%  { -webkit-transform: rotate(-25deg); }
    100% { -webkit-transform: rotate(0deg); }
}

@-webkit-keyframes left-toes {
    0%   { -webkit-transform: rotate(-10deg); }
    25%  { -webkit-transform: rotate(-25deg); }
    50%  { -webkit-transform: rotate(0deg); }
    75%  { -webkit-transform: rotate(-10deg); }
    100% { -webkit-transform: rotate(-10deg); }
}

@-webkit-keyframes shadow {
    0%   { opacity: 1; }
    25%  { opacity: 0.75; }
    50%  { opacity: 1; }
    75%  { opacity: 0.75; }
    100% { opacity: 1; }
}

@-webkit-keyframes prop-600 {
    0%   { -webkit-transform: translateX(0px); }
    100% { -webkit-transform: translateX(-600px); }
}

@-webkit-keyframes prop-1200 {
    0%   { -webkit-transform: translateX(0px); }
    100% { -webkit-transform: translateX(-1200px); }
}

@-webkit-keyframes prop-2000 {
    0%   { -webkit-transform: translateX(0px); }
    100% { -webkit-transform: translateX(-2000px); }
}

在线演示源码下载