为了更好得掌握transform的精髓,所以决定完成三维立方体的模型,可以实现360无死角的三维旋转效果。
但是旋转时判断每个面的视图顺序比较困难,仍未完美解决,希望有人能解答!
源码直接贡献啦:
<script> <br />/** <br />* 本版本存在以下问题: <br />* 三维旋转的zIndex计算有问题 <br />* 还欠缺多种模型,常见的包括:线、面、椎体、球体、椭球体等。 <br />*/ <br />function cuboidModel(left_init,top_init,long_init,width_init,height_init) <br />{ <br />//////////////////////////////////////// <br />//初始化私有变量 <br />/////////////////////////////////////// <br />//初始化长方体位置、大小 <br />var left = left_init; <br />var top = top_init; <br />var long = long_init; <br />var width = width_init; <br />var height = height_init; <br />//初始化变换角度,默认为0 <br />var rotateX = 0; <br />var rotateY = 0; <br />var rotateZ = 0; <br />var zIndex = 0; <br />//定义长方体六个面的div对象 <br />var div_front; <br />var div_behind; <br />var div_left; <br />var div_right; <br />var div_top; <br />var div_bottom; <br /><br />//////////////////////////////////////// <br />//初始化长方体 <br />/////////////////////////////////////// <br />//根据初始位置构造六个面。 <br />this.init = function() { <br />//创建front div <br />div_front = document.createElement("div"); <br />div_front.className = "cuboid_side_div"; <br />div_front.innerHTML = "div front"; <br />div_front.style.backgroundColor="#f1b2b2"; <br />document.body.appendChild(div_front); <br />//创建behind div <br />div_behind = document.createElement("div"); <br />div_behind.className = "cuboid_side_div"; <br />div_behind.innerHTML = "div behind"; <br />div_behind.style.backgroundColor="#bd91eb"; <br />document.body.appendChild(div_behind); <br />//创建left div <br />div_left = document.createElement("div"); <br />div_left.className = "cuboid_side_div"; <br />div_left.innerHTML = "div left"; <br />div_left.style.backgroundColor="#64a3c3"; <br />document.body.appendChild(div_left); <br />//创建right div <br />div_right = document.createElement("div"); <br />div_right.className = "cuboid_side_div"; <br />div_right.innerHTML = "div right"; <br />div_right.style.backgroundColor="#78e797"; <br />document.body.appendChild(div_right); <br />//创建top div <br />div_top = document.createElement("div"); <br />div_top.className = "cuboid_side_div"; <br />div_top.innerHTML = "div top"; <br />div_top.style.backgroundColor="#e7db78"; <br />document.body.appendChild(div_top); <br />//创建bottom div <br />div_bottom = document.createElement("div"); <br />div_bottom.className = "cuboid_side_div"; <br />div_bottom.innerHTML = "div bottom"; <br />div_bottom.style.backgroundColor="#e79c78"; <br />document.body.appendChild(div_bottom); <br />this.refresh(); <br />}; <br />//重绘 <br />this.refresh = function() <br />{ <br />//定义div_front样式 <br />div_front.style.left = left+"px"; <br />div_front.style.top = top+"px"; <br />div_front.style.width = long +"px"; <br />div_front.style.height = height +"px"; <br />div_front.style.webkitTransformOrigin = "50% 50% "+((-1)*width / 2)+"px"; <br />//定义div_behind样式 <br />div_behind.style.left = left+"px"; <br />div_behind.style.top = top+"px"; <br />div_behind.style.width = div_front.style.width; <br />div_behind.style.height = div_front.style.height; <br />div_behind.style.webkitTransformOrigin = "50% 50% "+((-1)*width / 2)+"px"; <br />//定义div_left样式 <br />div_left.style.left = left+((long - height) / 2)+"px"; <br />div_left.style.top = top + ((height - width) / 2)+"px"; <br />div_left.style.width = height +"px"; <br />div_left.style.height = width +"px"; <br />div_left.style.webkitTransformOrigin = "50% 50% "+((-1) * long /2 )+"px"; <br />//定义div_right样式 <br />div_right.style.left = div_left.style.left; <br />div_right.style.top = div_left.style.top; <br />div_right.style.width = div_left.style.width; <br />div_right.style.height = div_left.style.height; <br />div_right.style.webkitTransformOrigin = "50% 50% "+((-1) * long /2 )+"px"; <br />//定义div_top样式 <br />div_top.style.left = left+"px"; <br />div_top.style.top = top+((height - width)/ 2)+"px"; <br />div_top.style.width = long +"px"; <br />div_top.style.height = width +"px"; <br />div_top.style.webkitTransformOrigin = "50% 50% "+((-1) * height /2 )+"px"; <br />//定义div_bottom样式 <br />div_bottom.style.left = div_top.style.left; <br />div_bottom.style.top = div_top.style.top; <br />div_bottom.style.width = div_top.style.width; <br />div_bottom.style.height = div_top.style.height; <br />div_bottom.style.webkitTransformOrigin = "50% 50% "+((-1) * height /2 )+"px"; <br />this.rotate(rotateX,rotateY,rotateZ); <br />}; <br />//旋转立方体 <br />this.rotate = function(x,y,z) { <br />rotateX = x; <br />rotateY = y; <br />rotateZ = z; <br />var rotateX_front = rotateX; <br />var rotateY_front = rotateY; <br />var rotateZ_front = rotateZ; <br />//判断各个面旋转角度 <br />var rotateX_behind = rotateX_front+180; <br />var rotateY_behind = rotateY_front * (-1); <br />var rotateZ_behind = rotateZ_front * (-1); <br />var rotateX_top = rotateX_front+90; <br />var rotateY_top = rotateZ_front; <br />var rotateZ_top = rotateY_front * (-1); <br />var rotateX_bottom = rotateX_front-90; <br />var rotateY_bottom = rotateZ_front * (-1); <br />var rotateZ_bottom = rotateY_front; <br />var rotateX_left = rotateX_front + 90; <br />var rotateY_left = rotateZ_front - 90; <br />var rotateZ_left = rotateY_front * (-1); <br />var rotateX_right = rotateX_front + 90; <br />var rotateY_right = rotateZ_front + 90; <br />var rotateZ_right = rotateY_front * (-1); <br />//判断各个面的z轴显示顺序 <br />var zIndex_front_default = -1; <br />var zIndex_behind_default = -6; <br />var zIndex_top_default = -5; <br />var zIndex_bottom_default = -2; <br />var zIndex_left_default = -4; <br />var zIndex_right_default = -3; <br />var xI = (rotateX_front / 90) % 4; <br />var yI = (rotateY_front / 90) % 4; <br />var zI = (rotateZ_front / 90) % 4; <br />var zIndex_matrix = new Array(); <br />for(var i = 0; i < 3;i++) { <br />zIndex_matrix.push(new Array()); <br />} <br />zIndex_matrix = [["","zIndex_top",""], <br />["zIndex_left","zIndex_front","zIndex_right"], <br />["","zIndex_bottom",""]]; <br />var zIndex_matrix_behind = "zIndex_behind"; <br />//计算zIndex <br />if((xI >= 0 && xI < 1) ||(xI >= -4 && xI < -3)) { <br />} else if((xI >= 1 && xI < 2) ||(xI >= -3 && xI < -2)) { <br />var zIndex_matrix_tmp = zIndex_matrix[0][1]; <br />zIndex_matrix[0][1] = zIndex_matrix[1][1]; <br />zIndex_matrix[1][1] = zIndex_matrix[1][2]; <br />zIndex_matrix[1][2] = zIndex_matrix_behind; <br />zIndex_matrix_behind = zIndex_matrix_tmp; <br />} else if((xI >= 2 && xI < 3) ||(xI >= -2 && xI < -1)) { <br />var zIndex_matrix_tmp = zIndex_matrix[0][1]; <br />zIndex_matrix[0][1] = zIndex_matrix[2][1]; <br />zIndex_matrix[2][1] = zIndex_matrix_tmp; <br />zIndex_matrix_tmp = zIndex_matrix[1][1]; <br />zIndex_matrix[1][1] = zIndex_matrix_behind; <br />zIndex_matrix_behind = zIndex_matrix_tmp; <br />} else if((xI >= 3 && xI < 4) ||(xI >= -1 && xI < 0)) { <br />var zIndex_matrix_tmp = zIndex_matrix[0][1]; <br />zIndex_matrix[0][1] = zIndex_matrix_behind; <br />zIndex_matrix_behind = zIndex_matrix[2][1]; <br />zIndex_matrix[2][1] = zIndex_matrix[1][1]; <br />zIndex_matrix[1][1] = zIndex_matrix_tmp; <br />} <br />if((yI > 0 && yI <= 1) ||(yI > -4 && yI <= -3)) { <br />var zIndex_matrix_tmp = zIndex_matrix[1][0]; <br />zIndex_matrix[1][0] = zIndex_matrix_behind; <br />zIndex_matrix_behind = zIndex_matrix[1][2]; <br />zIndex_matrix[1][2] = zIndex_matrix[1][1]; <br />zIndex_matrix[1][1] = zIndex_matrix_tmp; <br />} else if((yI > 1 && yI <= 2) ||(yI > -3 && yI <= -2)) { <br />var zIndex_matrix_tmp = zIndex_matrix[1][0]; <br />zIndex_matrix[1][0] = zIndex_matrix[1][2]; <br />zIndex_matrix[1][2] = zIndex_matrix_tmp; <br />zIndex_matrix_tmp = zIndex_matrix[1][1]; <br />zIndex_matrix[1][1] = zIndex_matrix_behind; <br />zIndex_matrix_behind = zIndex_matrix_tmp; <br />} else if((yI > 2 && yI <= 3) ||(yI > -2 && yI <= -1)) { <br />var zIndex_matrix_tmp = zIndex_matrix[1][0]; <br />zIndex_matrix[1][0] = zIndex_matrix[1][1]; <br />zIndex_matrix[1][1] = zIndex_matrix[1][2]; <br />zIndex_matrix[1][2] = zIndex_matrix_behind; <br />zIndex_matrix_behind = zIndex_matrix_tmp; <br />} else if((yI > 3 && yI <= 4) ||(yI > -1 && yI <= 0)) { <br />} <br /><br />if((zI > 0 && zI <= 1) ||(zI > -4 && zI <= -3)) { <br />var zIndex_matrix_tmp = zIndex_matrix[0][1]; <br />zIndex_matrix[0][1] = zIndex_matrix[1][0]; <br />zIndex_matrix[1][0] = zIndex_matrix[2][1]; <br />zIndex_matrix[2][1] = zIndex_matrix[1][2]; <br />zIndex_matrix[1][2] = zIndex_matrix_tmp; <br />} else if((zI > 1 && zI <= 2) ||(zI > -3 && zI <= -2)) { <br />var zIndex_matrix_tmp = zIndex_matrix[0][1]; <br />zIndex_matrix[0][1] = zIndex_matrix[2][1]; <br />zIndex_matrix[2][1] = zIndex_matrix_tmp; <br />zIndex_matrix_tmp = zIndex_matrix[1][0]; <br />zIndex_matrix[1][0] = zIndex_matrix[1][2]; <br />zIndex_matrix[1][2] = zIndex_matrix_tmp; <br />} else if((zI > 2 && zI <= 3) ||(zI > -2 && zI <= -1)) { <br />var zIndex_matrix_tmp = zIndex_matrix[0][1]; <br />zIndex_matrix[0][1] = zIndex_matrix[1][2]; <br />zIndex_matrix[1][2] = zIndex_matrix[2][1]; <br />zIndex_matrix[2][1] = zIndex_matrix[1][0]; <br />zIndex_matrix[1][0] = zIndex_matrix_tmp; <br />} else if((zI > 3 && zI <= 4) ||(zI > -1 && zI <= 0)) { <br />} <br />//赋值zIndex <br />eval(zIndex_matrix[0][1]+"="+zIndex_top_default); <br />eval(zIndex_matrix[1][0]+"="+zIndex_left_default); <br />eval(zIndex_matrix[1][1]+"="+zIndex_front_default); <br />eval(zIndex_matrix[1][2]+"="+zIndex_right_default); <br />eval(zIndex_matrix[2][1]+"="+zIndex_bottom_default); <br />eval(zIndex_matrix_behind+"="+zIndex_behind_default); <br />//front <br />var transform_rotate_front = "perspective(500px) rotateX("+rotateX_front+ <br />"deg) rotateY("+rotateY_front+ <br />"deg) rotateZ("+rotateZ_front+"deg)"; <br />div_front.style.webkitTransform = transform_rotate_front; <br />div_front.style.zIndex = zIndex_front; <br />//behind <br />var transform_rotate_behind = "perspective(500px) rotateX("+rotateX_behind+ <br />"deg) rotateY("+rotateY_behind+ <br />"deg) rotateZ("+rotateZ_behind+"deg)"; <br />div_behind.style.webkitTransform = transform_rotate_behind; <br />div_behind.style.zIndex = zIndex_behind; <br />//left <br />var transform_rotate_left = "perspective(500px) rotateX("+rotateX_left+ <br />"deg) rotateZ("+rotateZ_left+ <br />"deg) rotateY("+rotateY_left+"deg)"; <br />div_left.style.webkitTransform = transform_rotate_left; <br />div_left.style.zIndex = zIndex_left; <br />//right <br />var transform_rotate_right = "perspective(500px) rotateX("+rotateX_right+ <br />"deg) rotateZ("+rotateZ_right+ <br />"deg) rotateY("+rotateY_right+"deg)"; <br />div_right.style.webkitTransform = transform_rotate_right; <br />div_right.style.zIndex = zIndex_right; <br />//top <br />var transform_rotate_top = "perspective(500px) rotateX("+rotateX_top+ <br />"deg) rotateZ("+rotateZ_top+ <br />"deg) rotateY("+rotateY_top+"deg)"; <br />div_top.style.webkitTransform = transform_rotate_top; <br />div_top.style.zIndex = zIndex_top; <br />//bottom <br />var transform_rotate_bottom = "perspective(500px) rotateX("+rotateX_bottom+ <br />"deg) rotateZ("+rotateZ_bottom+ <br />"deg) rotateY("+rotateY_bottom+"deg)"; <br />div_bottom.style.webkitTransform = transform_rotate_bottom; <br />div_bottom.style.zIndex = zIndex_bottom; <br />}; <br />//重置长方体的长、宽、高 <br />this.resize = function(new_long, new_width, new_height) <br />{ <br />long = new_long; <br />width = new_width; <br />height = new_height; <br />this.refresh(); <br />}; <br />//重置长方体的位置 <br />this.move = function(new_left,new_top) { <br />top = new_top; <br />left = new_left; <br />this.refresh(); <br />}; <br />} <br /><br />function transform() { <br />cuboid.resize(parseInt(document.getElementById("long").value), <br />parseInt(document.getElementById("width").value), <br />parseInt(document.getElementById("height").value)); <br />cuboid.move(parseInt(document.getElementById("left").value), <br />parseInt(document.getElementById("top").value)); <br />cuboid.rotate(parseInt(document.getElementById("rotatex").value), <br />parseInt(document.getElementById("rotatey").value), <br />parseInt(document.getElementById("rotatez").value)); <br />//cuboid.refresh(); <br />} <br /></script>
left:px
top:px
long:px
width:px
height:px
rotateX: deg
rotateY: deg
rotateZ: deg
<script> <br />var cuboid = new cuboidModel(parseInt(document.getElementById("left").value), <br />parseInt(document.getElementById("top").value), <br />parseInt(document.getElementById("long").value), <br />parseInt(document.getElementById("width").value), <br />parseInt(document.getElementById("height").value)); <br />cuboid.init(); <br /></script>

H5代码的最佳实践包括:1.使用正确的DOCTYPE声明和字符编码;2.采用语义化标签;3.减少HTTP请求;4.使用异步加载;5.优化图像。这些实践能提升网页的效率、可维护性和用户体验。

Web标准和技术从HTML4、CSS2和简单的JavaScript演变至今,经历了显着的发展。 1)HTML5引入了Canvas、WebStorage等API,增强了Web应用的复杂性和互动性。 2)CSS3增加了动画和过渡功能,使页面效果更加丰富。 3)JavaScript通过Node.js和ES6的现代化语法,如箭头函数和类,提升了开发效率和代码可读性,这些变化推动了Web应用的性能优化和最佳实践的发展。

H5不仅仅是HTML5的简称,它代表了一个更广泛的现代网页开发技术生态:1.H5包括HTML5、CSS3、JavaScript及相关API和技术;2.它提供更丰富、互动、流畅的用户体验,能在多设备上无缝运行;3.使用H5技术栈可以创建响应式网页和复杂交互功能。

H5与HTML5指的是同一个东西,即HTML5。HTML5是HTML的第五个版本,带来了语义化标签、多媒体支持、画布与图形、离线存储与本地存储等新功能,提升了网页的表现力和交互性。

H5referstoHTML5,apivotaltechnologyinwebdevelopment.1)HTML5introducesnewelementsandAPIsforrich,dynamicwebapplications.2)Itsupportsmultimediawithoutplugins,enhancinguserexperienceacrossdevices.3)SemanticelementsimprovecontentstructureandSEO.4)H5'srespo

H5开发需要掌握的工具和框架包括Vue.js、React和Webpack。1.Vue.js适用于构建用户界面,支持组件化开发。2.React通过虚拟DOM优化页面渲染,适合复杂应用。3.Webpack用于模块打包,优化资源加载。

HTML5hassignificantlytransformedwebdevelopmentbyintroducingsemanticelements,enhancingmultimediasupport,andimprovingperformance.1)ItmadewebsitesmoreaccessibleandSEO-friendlywithsemanticelementslike,,and.2)HTML5introducednativeandtags,eliminatingthenee

H5通过语义化元素和ARIA属性提升网页的可访问性和SEO效果。1.使用、、等元素组织内容结构,提高SEO。2.ARIA属性如aria-label增强可访问性,辅助技术用户可顺利使用网页。


热AI工具

Undresser.AI Undress
人工智能驱动的应用程序,用于创建逼真的裸体照片

AI Clothes Remover
用于从照片中去除衣服的在线人工智能工具。

Undress AI Tool
免费脱衣服图片

Clothoff.io
AI脱衣机

AI Hentai Generator
免费生成ai无尽的。

热门文章

热工具

EditPlus 中文破解版
体积小,语法高亮,不支持代码提示功能

螳螂BT
Mantis是一个易于部署的基于Web的缺陷跟踪工具,用于帮助产品缺陷跟踪。它需要PHP、MySQL和一个Web服务器。请查看我们的演示和托管服务。

DVWA
Damn Vulnerable Web App (DVWA) 是一个PHP/MySQL的Web应用程序,非常容易受到攻击。它的主要目标是成为安全专业人员在合法环境中测试自己的技能和工具的辅助工具,帮助Web开发人员更好地理解保护Web应用程序的过程,并帮助教师/学生在课堂环境中教授/学习Web应用程序安全。DVWA的目标是通过简单直接的界面练习一些最常见的Web漏洞,难度各不相同。请注意,该软件中

适用于 Eclipse 的 SAP NetWeaver 服务器适配器
将Eclipse与SAP NetWeaver应用服务器集成。

Atom编辑器mac版下载
最流行的的开源编辑器