分享一段代碼實例,它實現了摩天輪旋轉效果。
效果是通過css3和jQuery實現,代碼實例如下:
001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040 041 042 043 044 045 046 047 048 049 050 051 052 053 054 055 056 057 058 059 060 061 062 063 064 065 066 067 068 069 070 071 072 073 074 075 076 077 078 079 080 081 082 083 084 085 086 087 088 089 090 091 092 093 094 095 096 097 098 099 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 | <!doctype html> < html > < head > < meta charset = "utf-8" > < title >摩天輪旋轉效果</ title > < style > * { margin: 0; padding: 0; box-sizing: border-box; } ul { list-style: none; } html, body, #skywheel { width: 100%; height: 100%; overflow: hidden; } #skywheel { padding: 3px; background-color: orange; background-image: linear-gradient(top,skyblue 90%, orange 90%); background-image: -o-linear-gradient(top,skyblue 90%, orange 90%); background-image: -moz-linear-gradient(top,skyblue 90%, orange 90%); background-image: -webkit-linear-gradient(top,skyblue 90%, orange 90%); } #skywheel:before, #skywheel:after { z-index: 1; background-color: lightcoral; transform-origin: 0 15%; content: ""; display: block; position: absolute; width: 25px; height: calc(100% - 55%); bottom: 10%; } #skywheel:before { left: calc(50% - 25px); transform: skew(-15deg); } #skywheel:after { left: 50%; transform: skew(15deg); } #skywheel ul { position: relative; border-radius: 50%; margin: auto; width: 75%; height: 75%; bottom: -10%; animation: wheel 10s linear 1s infinite; -webkit-animation: wheel 10s linear 1s infinite; } #skywheel ul:after { z-index: 2; background-color: lightcoral; box-shadow: 0 0 3px black; display: block; position: absolute; content: ""; width: 50px; height: 50px; border-radius: 50%; top: calc(50% - 25px); left: calc(50% - 25px); } #skywheel ul li { overflow: hidden; margin: -5px 0 0 calc(-50% / 10); width: calc(100% / 10); height: calc(100% / 12); border: solid 3px red; border-radius: 50%; position: absolute; top: 0; left: 0; transform-origin: center 5px; animation: car 10s linear 1s infinite; -webkit-animation: car 10s linear 1s infinite; background-image: linear-gradient(top, red 15%, transparent 15%, transparent 55%, red 55%); background-image: -o-linear-gradient(top, red 15%, transparent 15%, transparent 55%, red 55%); background-image: -moz-linear-gradient(top, red 15%, transparent 15%, transparent 55%, red 55%); background-image: -webkit-linear-gradient(top, red 15%, transparent 15%, transparent 55%, red 55%); } #skywheel ul li:nth-of-type(3n) { border-color: green; background-image: linear-gradient(top, green 15%, transparent 15%, transparent 55%, green 55%); background-image: -o-linear-gradient(top, green 15%, transparent 15%, transparent 55%, green 55%); background-image: -moz-linear-gradient(top, green 15%, transparent 15%, transparent 55%, green 55%); background-image: -webkit-linear-gradient(top, green 15%, transparent 15%, transparent 55%, green 55%); } #skywheel ul li:nth-of-type(3n-1) { border-color: yellow; background-image: linear-gradient(top, yellow 15%, transparent 15%, transparent 55%, yellow 55%); background-image: -o-linear-gradient(top, yellow 15%, transparent 15%, transparent 55%, yellow 55%); background-image: -moz-linear-gradient(top, yellow 15%, transparent 15%, transparent 55%, yellow 55%); background-image: -webkit-linear-gradient(top, yellow 15%, transparent 15%, transparent 55%, yellow 55%); } #skywheel ul li:after { content: ""; display: block; width: 1px; height: 80%; margin: calc(15% - 4px) auto 0; border: solid 2px red; background-color: snow; } #skywheel ul li:nth-of-type(3n):after { border-color: green; } #skywheel ul li:nth-of-type(3n-1):after { border-color: yellow; } @keyframes wheel { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } } @-webkit-keyframes wheel { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } } @keyframes car { 0% { transform: rotate(0deg); } 100% { transform: rotate(-360deg); } } @-webkit-keyframes car { 0% { transform: rotate(0deg); } 100% { transform: rotate(-360deg); } } </ style > < script type = "text/javascript" > $(function() { var radius = function(init) { var num = 24; var deg = 360 / num; var o = $("#skywheel ul").removeAttr("style"); var w = o.width(); var h = o.height(); var d = w < h ? w : h; o.width(d); o.height(d); var hack = ["", "-o-", "-ms-", "-moz-", "-webkit-"]; $.each(hack, function(i, n) { var bgStr = ""; var str = ""; $.each(new Array(num / 2), function(j) { if (str) str += ","; str += n + "linear-gradient(" + (j * deg) + "deg, transparent 49.65%, snow 49.9%, snow 50.1%, transparent 50.35%)"; }); bgStr = n + "radial-gradient(center,transparent 30%, snow 30%, snow 31.5%, transparent 31.5%, transparent 57.5%, snow 57.5%, snow 59%, transparent 59%)"; o.css({ "background-image": str + "," + bgStr }); }); $.each(new Array(num), function(i) { var r = d / 2; var x = r; var y = r; var a = deg * i; var x1 = x + r * Math.sin(a * Math.PI / 180); var y2 = y - r * Math.cos(a * Math.PI / 180); console.log(init) obj = init ? o.find("li").eq(i) : $("< li >").appendTo(o); obj.css({ top: y2, left: x1 }) }) } $(window).resize(radius); radius(); }) </ script > </ head > < body > < div id = "skywheel" > < ul ></ ul > </ div > </ body > </ html >
|