How to realize the moving model animation of the sun, the earth and the moon with pure CSS
This article mainly introduces how to use pure CSS to achieve the movement of the sun and the earth and the moon model animation, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.
Code interpretation
Define the dom. The container contains three elements:
Centered display:
Body {
Margin:0
Height:100vh
Display:flex
Align-items:center
Justify-content:center
Background-color:black
}
Define the container size:
.container {
Font-size:10px
Width:40em
Height:40em
Position:relative
}
Draw the sun:
.sun {
Position:absolute
Top:15em
Left:15em
Width:10em
Height:10em
Background-color:yellow
Border-radius:50%
Box-shadow:003emwhite
}
Draw the trajectory of the earth and the moon:
.earth
.moon {
Position:absolute
Border-style:solid
Border-color:whitetransparenttransparenttransparent
Border-width:0.1em0.1em00
Border-radius:50%
}
.earth {
Top:5em
Left:5em
Width:30em
Height:30em
}
.moon {
Top:0
Right:0
Width:8em
Height:8em
}
Draw the earth and the moon with pseudo elements:
.earth:: before
.moon:: before {
Position:absolute
Border-radius:50%
Content:''
}
.earth:: before {
Top:2.8em
Right:2.5em
Height:3em
Width:3em
Background-color:aqua
}
.moon:: before {
Top:0.8em
Right:0.2em
Width:1.2em
Height:1.2em
Background-color:silver
}
Animate the run:
/ * rotationperiod365.2422days*/
.earth {
Animation:orbit36.5slinearinfinite
}
/ * rotationperiod27.322days*/
.moon {
Animation:orbit2.7slinearinfinite
}
@ keyframesorbit {
To {
Transform:rotate (360deg)
}
}
Finally, hide the parts that may appear outside the container:
Body {
Overflow:hidden
}
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