html js 绘图代码,js绘图.html · Oschina-WangShuai/css-demo - Gitee.com
Js绘制生成花瓣效果
body{
background: #000;
}
.outer{
width: 600px;
height:600px;
border-radius: 50%;
background: transparent;
animation: remote 15s linear infinite;
}
.img-container{
margin:100px auto 0px;
/* animation: scale 8s linear infinite; */
transform: scale(4.5)
}
.dot{
width: 6px;
height: 6px;
position: absolute;
border-radius: 50%;
}
/* .red-bg{
background:linear-gradient( rgb(221, 105, 10), rgb(221, 105, 10))
} */
.blue-bg{
background:linear-gradient(rgb(128, 105, 0), rgb(221, 105, 10))
}
.yellow-bg{
background:linear-gradient( rgb(128, 115, 0),rgb(202, 199, 13) )
}
.perse-bg{
background:radial-gradient( rgb(224, 228, 9), rgb(178, 224, 10))
}
@keyframes remote {
0% {
transform: rotate(0deg)
}
100% {
transform: rotate(360deg)
}
}
@keyframes scale {
0% {
transform: scale(1)
}
25%{
transform: scale(1.5)
}
50% {
transform: scale(2)
}
75%{
transform: scale(1.5)
}
100% {
transform: scale(1)
}
}
let outerDiv = document.getElementsByClassName('outer')[0]
let innerDiv = document.getElementsByClassName('inner')[0]
function dragImage(radius, backgroundColor, offset, marginTop){
var imageContainer = document.createElement('div');
for (t = 1; t <= 360; t++) {
lo = radius * Math.sin(2 * (Math.PI / 180) * t);
x = lo * Math.cos((Math.PI / 180) * t);
y = lo * Math.sin((Math.PI / 180) * t);
var img = document.createElement('div');
img.classList.add('img-container','dot',backgroundColor)
img.style.left = x + 300 + 'px'
img.style.top = y + 200 + 'px'
// img.style.backgroundColor = backgroundColor
imageContainer.appendChild(img)
lo = radius * Math.cos(2 * (Math.PI / 180) * t);
x = lo * Math.cos((Math.PI / 180) * t);
y = lo * Math.sin((Math.PI / 180) * t);
var img = document.createElement('div')
img.classList.add('img-container','dot',backgroundColor)
img.style.left = x + 300 + 'px'
img.style.top = y + 200 + 'px'
// img.style.backgroundColor = backgroundColor
imageContainer.appendChild(img);
imageContainer.style.transform = 'rotate(' + offset+ 'deg)';
imageContainer.classList.add('outer')
imageContainer.style.marginTop = marginTop
outerDiv.appendChild(imageContainer);
}
}
dragImage(150,'blue-bg',30,'0');
// dragImage(150,'red-bg',60,'-600px');
dragImage(100,'yellow-bg',90,'-600px');
dragImage(50,'perse-bg',110,'-600px');
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