纯css实现一个拖拉机绘画动画效果
代码语言：html
所属分类：动画
代码描述：纯css实现一个拖拉机绘画动画效果
下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
:root {
--color-dark: #010101;
--color-accent: #4072EE;
--color-light: #FCFFFF;
--stripes: linear-gradient(90deg, var(--color-dark) 20%, transparent 20%, transparent 40%, var(--color-dark) 40%, var(--color-dark) 60%, transparent 60%, transparent 80%, var(--color-dark) 80%);
--frame-size: 30vw;
--stripe-width-on-frame: calc(var(--frame-size) * 5 / 24.5);
--stripe-gap-on-frame: calc(var(--frame-size) / 24.5);
--stripe-gap: calc(var(--stripe-gap-on-frame) * 0.707);
--stripe-width: calc(var(--stripe-width-on-frame) * 0.707);
--animation: 30s linear infinite;
--stripe-x-1: var(--stripe-gap-on-frame);
--stripe-x-2: calc(var(--stripe-gap-on-frame) * 2 + var(--stripe-width-on-frame));
--stripe-x-3: calc(var(--stripe-gap-on-frame) * 3 + var(--stripe-width-on-frame) * 2);
--stripe-x-4: calc(var(--stripe-gap-on-frame) * 4 + var(--stripe-width-on-frame) * 3);
--stripe-height-1: calc((var(--stripe-gap-on-frame) + var(--stripe-width-on-frame)) / 0.707);
--stripe-height-2: calc((var(--stripe-gap-on-frame) * 2 + var(--stripe-width-on-frame) * 2) / 0.707);
--stripe-height-3: calc((var(--stripe-gap-on-frame) * 3 + var(--stripe-width-on-frame) * 3) / 0.707);
--stripe-height-4: calc((var(--stripe-gap-on-frame) * 4 + var(--stripe-width-on-frame) * 4) / 0.707);
}
html, body {
height: 100vh; width: 100vw;
min-height: 60vw;
padding: 0; margin: 0;
}
body {
display: flex;
justify-content: center;
align-items: center;
background: linear-gradient(rgba(0,0,0,0.06), rgba(0,0,0,0.14));
}
body *, body *:before, body *:after {
content: '';
position: absolute;
}
.frame {
position: relative;
width: var(--frame-size);
height: var(--frame-size);
border: 3.2vw solid rgba(255,255,255,0.2);
box-shadow: 0 11vw 7.5vw rgba(0, 32, 51, 0.08),
0 1.5vw 4vw rgba(0, 32, 51, 0.05),
0 4vw 2vw -3vw rgba(0, 32, 51, 0.04),
0 2vw 1vw -1vw rgba(0, 32, 51, 0.04),
0 0.6vw 0.5vw rgba(0, 32, 51, 0.03),
0 -0.2vw 0.5vw rgba(0, 32, 51, 0.03);
}
.frame::before {
left: -2vw;
right: -2vw;
top: -2vw;
bottom: -2vw;
border-top: 2vw solid rgba(0,0,0,0.09);
border-left: 2vw solid rgba(0,0,0,0.05);
border-right: 2vw solid rgba(0,0,0,0.04);
border-bottom: 2vw solid rgba(255,255,255,0.3);
box-shadow: inset 0 0.2vw 0 rgba(0,0,0,0.2),
inset 0.2vw 0 0 rgba(0,0,0,0.08),
inset -0.2vw 0 0 rgba(0,0,0,0.08),
inset 0 -0.2vw 0 rgba(255,255,255,0.2);
}
.frame::after {
top: -3.2vw;
bottom: -3.2vw;
right: -3.2vw;
left: -3.2vw;
border-top: 0.1vw solid rgba(255,255,255,0.4);
border-left: 0.1vw solid rgba(127,127,127,0.2);
border-right: 0.1vw solid rgba(127,127,127,0.2);
border-bottom: 0.1vw solid rgba(0,0,0,0.3);
}
.picture {
width: 100%; height: 100%;
overflow: hidden;
box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1), inset 0 1px 1px rgba(0, 0, 0, 0.1);
}
.stripe {
--height: calc((var(--stripe-gap-on-frame) * var(--index) + var(--stripe-width-on-frame) * var(--index)) / 0.707);
width: var(--stripe-width);
height: var(--height);
transform: rotate(45deg);
}
.stripe_1 { --index: 1; }
.stripe_2 { --index: 2; }
.stripe_3 { --index: 3; }
.stripe_4 { --index: 4; }
.stripe_5 { --index: 4; }
.stripe_6 { --index: 3; }
.stripe_7 { --index: 2; }
.stripe_8 { --index: 1; }
.stripe:nth-child(-n+4) {
top: 0;
left: calc(var(--stripe-gap-on-frame) * var(--index) + var(--stripe-width-on-frame) * (var(--index) - 1));
transform-origin: top left;
}
.stripe:nth-child(-n+4)::before { top: calc(var(--stripe-width) * -1); }
.stripe:nth-child(n+5) {
bottom: 0;
right: calc(var(--stripe-gap-on-frame) * var(--index) + var(--stripe-width-on-frame) * (var(--index) - 1));
transform-origin: bottom right;
}
.stripe:nth-child(n+5)::before { bottom: calc(var(--stripe-width) * -1); }
.stripe::before {
width: 100%;
height: 100%;
background: var(--stripes);
}
.stripe_1::before {
transform-origin: top center;
animation: stripe1Anim var(--animation);
}
.stripe_2::before {
transform-origin: bottom center;
animation: stripe2Anim var(--animation);
}
.stripe_3::before {
transform-origin: top center;
animation: stripe3Anim var(--animation);
}
.stripe_4::before {
transform-origin: bottom center;
animation: stripe4Anim var(--animation);
}
.stripe_5::before {
transform-origin: top center;
animation: stripe5Anim var(--animation);
}
.stripe_6::before {
transform-origin: bottom center;
animation: stripe6Anim var(--animation);
}
.stripe_7::before {
transform-origin: top center;
animation: stripe7Anim var(--animation);
}
.stripe_8::before {
transform-origin: bottom center;
animation: stripe8Anim var(--animation);
}
@keyframes stripe1Anim {
0% { transform: scaleY(1.37) translateY(calc(var(--stripe-height-1) * -1 + var(--stripe-width) * -2.78)); }
9.4%, 100% { transform: translateY(0) scaleY(1.37); }
99% { opacity: 1; }
100% { opacity: 0; }
}
@keyframes stripe2Anim {
0%, 9.4% { transform: scaleY(1.12) translateY(calc(var(--stripe-height-2) + var(--stripe-width) * 3.9)); }
21.2%, 100% { transform: scaleY(1.12); }
99% { opacity: 1; }
100% { opacity: 0; }
}
@keyframes stripe3Anim {
0%, 21.2% { transform: scaleY(1.13) translateY(calc(var(--stripe-height-3) * -1 + var(--stripe-width) * -3.8)); }
36.9%, 100% { transform: translateY(0) scaleY(1.13); }
99% { opacity: 1; }
100% { opacity: 0; }
}
@keyframes stripe4Anim {
0%, 36.9% { transform: scaleY(1.03) translateY(calc(var(--stripe-height-4) + var(--stripe-width) * 2.7)); }
53.7%, 100% { transform: scaleY(1.03); }
99% { opacity: 1; }
100% { opacity: 0; }
}
@keyframes stripe5Anim {
0%, 53.7% { transform: translateY(calc(var(--stripe-height-4) * -1 + var(--stripe-width) * -2.81)); }
70%, 100% { transform: translateY(0); }
99% { opacity: 1; }
100% { opacity: 0; }
}
@keyframes stripe6Anim {
0%, 70% { transform: translateY(calc(var(--stripe-height-3) + var(--stripe-width) * 2.81)); }
83.2%, 100% { transform: translateY(0); }
99% { opacity: 1; }
100% { opacity: 0; }
}
@keyframes stripe7Anim {
0%, 83.2% { transform: translateY(calc(var(--stripe-height-2) * -1 + var(--stripe-width) * -2.81)); }
93.1%, 100% { transform: translateY(0); }
99% { opacity: 1; }
100% { opacity: 0; }
}
@keyframes stripe8Anim {
0%, 93.1% { transform: translateY(calc(var(--stripe-height-1) + var(--stripe-width) * 2.81)); }
100% { transform: translateY(0); }
99% { opacity: 1; }
100% { opacity: 0; }
}
.tractor {
width: var(--stripe-width);
height: calc(var(--stripe-width) * 0.54);
background: var(--color-dark);
}
.tractor::before {
left: calc(var(--stripe-width) * -0.05);
top: calc(var(--stripe-width) * 0.94);
width: calc(var(--stripe-width) * 1.28);
height: calc(var(--stripe-width) * 1.75);
background: var(--color-dark);
border-radius: calc(var(--stripe-width) * 0.1);
}
.tractor::after {
right: calc(var(--stripe-width) * -0.18);
top: calc(var(--stripe-width) * 0.98);
width: calc(var(--stripe-width) * 0.08);
height: calc(var(--stripe-width) * 0.55);
background: var(--color-accent);
border-radius: 100%;
box-shadow: 0 calc(var(--stripe-width) * 1.1) var(--color-accent);
}
.tractor > div:nth-child(1) {
left: calc(var(--stripe-width) * 0.56);
top: calc(var(--stripe-width) * 2);
width: calc(var(--stripe-width) * 0.4);
height: calc(var(--stripe-width) * 1.1);
background: linear-gradient(130deg, var(--color-dark) 77%, transparent 10%);
}
.tractor > div:nth-child(1)::before {
left: calc(var(--stripe-width) * -0.35);
top: calc(var(--stripe-width) * -1.13);
width: calc(var(--stripe-width) * 0.6);
height: calc(var(--stripe-width) * 1.36);
background: var(--color-accent);
border-radius: calc(var(--stri.........完整代码请登录后点击上方下载按钮下载查看
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