HTML5 Canvas光线跟踪

中间是光源，光线会随着你的绘画而发生折射、散射、透射等效果。参考源：https://developer.mozilla.org/en-US/demos/detail/zen-photon-garden/launch

光线

《three.js使用多个渐变torus模拟光环光晕》申请公开！

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HTML
CSS
JavaScript
Result

编译

JavaScript

编译

CSS

body {
    background: #111;
    color: rgba(255, 255, 240, 0.4);
    font-size: 16px;
    font-family: sans-serif;
}
h1 {
    color: #fffff0;
    font-size: 20px;
    padding: 0 0 0.25em 0;
    margin: 0;
}
#centerColumn {
    width: 1024px;
    margin: 0 auto;
}
#workspace {
    width: 1024px;
    height: 576px;
    border: 1px solid #444;
    background: black;
    position: relative;
}
#workspace canvas {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
#leftColumn {
    position: absolute;
    left: -92px;
    top: -1px;
    width: 88px;
    display: none;
}
#rightColumn {
    position: absolute;
    left: 1028px;
    top: -1px;
    width: 86px;
    display: none;
}
#leftColumn .sep {
    display: block;
    text-align: center;
    color: #444;
}
#help {
    position: absolute;
    display: none;
    left: 0;
    right: 0;
    bottom: 0;
    height: 33%;
    text-align: center;
    font-size: 48px;
    color: rgba(0, 0, 0, 0.8);
}
#notsupported {
    position: absolute;
    display: block;
    left: 0;
    right: 0;
    bottom: 0;
    height: 75%;
    text-align: center;
}
#notsupported p {
    font-family: 'Verdana', sans-serif;
    font-size: 20px;
    color: rgba(255, 255, 255, 0.35);
}
.ui-box {
    position: relative;
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid #222;
    border-radius: 3px;
    font-size: 12px;
    font-family: 'Verdana', sans-serif;
    margin: 0 0 1px 0;
    padding: 4px;
    cursor: pointer;
    white-space: nowrap;
    -moz-user-select: none;
    -khtml-user-select: none;
    -webkit-user-select: none;
    user-select: none;
}
.ui-active {
    background: #d79e43;
    color: #000;
    border: 1px solid #555;
    border-radius: 3px;
}
.ui-inactive:hover {
    background: #222;
    color: #fff;
}
.ui-hslider {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 50px;
    background: #d79e43;
    z-index: -1;
}
.glyph {
    float: left;
    width: 16px;
    padding: 0 2px 0 0;
    text-align: center;
}
.hbox {
    padding: 0.25em 0;
}
.hbox .label {
    padding: 0 0.5em 0 0;
    color: rgba(255, 255, 240, 0.2);
}
.hbox .sep {
    padding: 0 0.5em;
    color: rgba(255, 200, 200, 0.2);
}
#colophon {
    float: right;
    padding: 4px;
    font-size: 12px;
    font-family: 'Verdana', sans-serif;
}
a {
    text-decoration: none;
    color: rgba(255, 255, 200, 0.2);
}
a:hover {
    text-decoration: none;
    color: rgba(255, 255, 200, 0.5);
}

HTML

<div class='hbox'>
        <div id='colophon'>
            <a target="_blank" href="https://scanlime.org/category/projects/zen-photon-garden/">blog</a> / <a target="_blank" href="https://github.com/scanlime/zenphoton">github</a>
        </div>
        <span class='label'>Rays traced:</span><span id='raysTraced'>0</span>
        <span class='sep'>•</span>
        <span class='label'>Speed:</span><span id='raySpeed'>0</span> rays/sec
    </div>
</div>

中间是光源，光线会随着你的绘画而发生折射、散射、透射等效果。参考源：https://developer.mozilla.org/en-US/demos/detail/zen-photon-garden/launch

光线

编辑器支持Emmet

快捷键

中间是光源，光线会随着你的绘画而发生折射、散射、透射等效果。 参考源：https://developer.mozilla.org/en-US/demos/detail/zen-photon-garden/launch

光线

three.js光线跟踪（pathtracer）实现代码实例

基于Three.js实现的体积光线前进特效 - 麻花（沙琪玛）模型

编辑器支持Emmet

快捷键

语言：

语言：

导入代码模板：

中间是光源，光线会随着你的绘画而发生折射、散射、透射等效果。参考源：https://developer.mozilla.org/en-US/demos/detail/zen-photon-garden/launch