css3 implements 3d

CSS3 realizes 3D

With the development of the Internet and the advancement of technology, website designs are becoming more and more cool, including 3D effects. CSS3 is one of the important tools to achieve 3D effects. This article will introduce how CSS3 implements 3D.

1.3D transformation:

3D transformation is to make elements present a 3D effect through operations such as rotation, scaling, and movement. 3D transformations can be controlled through the "transform" attribute.

(1) Rotation

Elements can be rotated in three directions: X-axis, Y-axis, and Z-axis:

<code>transform: rotateX(30deg);  //绕X轴旋转30度
transform: rotateY(30deg);  //绕Y轴旋转30度
transform: rotateZ(30deg);  //绕Z轴旋转30度</code>

(2) Scaling

Elements can be scaled along the X-axis, Y-axis, and Z-axis:

<code>transform: scaleX(2);  //沿X轴放大2倍
transform: scaleY(2);  //沿Y轴放大2倍
transform: scaleZ(2);  //沿Z轴放大2倍</code>

(3) Move

Elements can be scaled along the X-axis, Y-axis, and Z-axis Move in three directions of the axis:

<code>transform: translateX(100px);  //沿X轴移动100px
transform: translateY(100px);  //沿Y轴移动100px
transform: translateZ(100px);  //沿Z轴移动100px</code>

(4) Compound transformation

Multiple transformations can be combined and used:

<code>transform: rotateY(30deg) translateX(100px);  //先旋转30度，再沿X轴移动100px</code>

2. Perspective:

The perspective effect can make the element look more like it is in a 3D space. The perspective effect is controlled through the "perspective" attribute:

<code>perspective: 500px;  //设置透视点在500px处</code>

3.3D conversion:

3D conversion refers to converting the element 3D flip along the X-axis or Y-axis, controlled through the "transform-style" and "backface-visibility" properties.

(1) transform-style

This attribute sets whether the element transforms its child elements into 3D. The default is "flat", which means all child elements are unaffected. If set to "preserve-3D", child elements will also become 3D.

<code>transform-style: preserve-3D;  //所有子元素都变成3D</code>

(2) backface-visibility

This attribute sets whether to display the back side of the element when it is flipped. The default is "visible", which shows the back side. If set to "hidden", the back side is not visible.

<code>backface-visibility: hidden;  //翻转时背面不可见</code>

4. Custom animation:

Through CSS3 animation technology, complex animation effects of elements can be achieved, thereby increasing the beauty and user experience of the website.

(1) @keyframes keyword

Define animation through the @keyframes keyword, and you can set different styles for different stages of the animation.

<code>@keyframes myanimation{
    0%{
        transform: translateX(0);
    }
    100%{
        transform: translateX(100px);
    }
}</code>

(2) animation attribute

Apply custom animation to elements through the animation attribute.

<code>animation: myanimation 1s ease-in-out;  //应用名为myanimation的动画，持续时间为1s，缓动效果为ease-in-out</code>

The 3D effect achieved through CSS3 can not only increase the attractiveness of the website, but also enrich the interactive effect of the website and improve the user experience. I hope this article can help everyone better understand the 3D features of CSS3 and bring more flexibility and innovation to website design.

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