let angle = 0; //角度，用来做简单的动画效果的
let value = 80;
option = {
backgroundColor: '#000E1A',
title: [{
text: '75%',
x: '50%',
y: '40%',
textAlign: 'center',
textStyle: {
fontSize: '70',
fontWeight: '100',
color: '#79ffff',
textAlign: 'center',
},
}, ],
polar: {
radius: ['85%', '81%'],
center: ['50%', '50%'],
},
angleAxis: {
max: 100,
show: false,
startAngle: 0,
},
radiusAxis: {
type: 'category',
show: true,
axisLabel: {
show: false,
},
axisLine: {
show: false,
},
axisTick: {
show: false
},
},
series: [
// 紫色
{
name: "ring5",
type: 'custom',
coordinateSystem: "none",
renderItem: function(params, api) {
return {
type: 'arc',
shape: {
cx: api.getWidth() / 2,
cy: api.getHeight() / 2,
r: Math.min(api.getWidth(), api.getHeight()) / 2 * 0.9,
startAngle: (0 + angle) * Math.PI / 180,
endAngle: (90 + angle) * Math.PI / 180
},
style: {
stroke: "#8383FA",
fill: "transparent",
lineWidth: 1.5
},
silent: true
};
},
data: [0]
},
{
name: "ring5", //紫点
type: 'custom',
coordinateSystem: "none",
renderItem: function(params, api) {
let x0 = api.getWidth() / 2;
let y0 = api.getHeight() / 2;
let r = Math.min(api.getWidth(), api.getHeight()) / 2 * 0.9;
let point = getCirlPoint(x0, y0, r, (90 + angle))
return {
type: 'circle',
shape: {
cx: point.x,
cy: point.y,
r: 4
},
style: {
stroke: "#8450F9", //绿
fill: "#8450F9"
},
silent: true
};
},
data: [0]
},
// 蓝色
{
name: "ring5",
type: 'custom',
coordinateSystem: "none",
renderItem: function(params, api) {
return {
type: 'arc',
shape: {
cx: api.getWidth() / 2,
cy: api.getHeight() / 2,
r: Math.min(api.getWidth(), api.getHeight()) / 2 * 0.9,
startAngle: (180 + angle) * Math.PI / 180,
endAngle: (270 + angle) * Math.PI / 180
},
style: {
stroke: "#4386FA",
fill: "transparent",
lineWidth: 1.5
},
silent: true
};
},
data: [0]
},
{
name: "ring5", // 蓝色
type: 'custom',
coordinateSystem: "none",
renderItem: function(params, api) {
let x0 = api.getWidth() / 2;
let y0 = api.getHeight() / 2;
let r = Math.min(api.getWidth(), api.getHeight()) / 2 * 0.9;
let point = getCirlPoint(x0, y0, r, (180 + angle))
return {
type: 'circle',
shape: {
cx: point.x,
cy: point.y,
r: 4
},
style: {
stroke: "#4386FA", //绿
fill: "#4386FA"
},
silent: true
};
},
data: [0]
},
{
name: "ring5",
type: 'custom',
coordinateSystem: "none",
renderItem: function(params, api) {
return {
type: 'arc',
shape: {
cx: api.getWidth() / 2,
cy: api.getHeight() / 2,
r: Math.min(api.getWidth(), api.getHeight()) / 2 * 0.95,
startAngle: (270 + -angle) * Math.PI / 180,
endAngle: (40 + -angle) * Math.PI / 180
},
style: {
stroke: "#0CD3DB",
fill: "transparent",
lineWidth: 1.5
},
silent: true
};
},
data: [0]
},
// 橘色
{
name: "ring5",
type: 'custom',
coordinateSystem: "none",
renderItem: function(params, api) {
return {
type: 'arc',
shape: {
cx: api.getWidth() / 2,
cy: api.getHeight() / 2,
r: Math.min(api.getWidth(), api.getHeight()) / 2 * 0.95,
startAngle: (90 + -angle) * Math.PI / 180,
endAngle: (220 + -angle) * Math.PI / 180
},
style: {
stroke: "#FF8E89",
fill: "transparent",
lineWidth: 1.5
},
silent: true
};
},
data: [0]
}, {
name: "ring5",
type: 'custom',
coordinateSystem: "none",
renderItem: function(params, api) {
let x0 = api.getWidth() / 2;
let y0 = api.getHeight() / 2;
let r = Math.min(api.getWidth(), api.getHeight()) / 2 * 0.95;
let point = getCirlPoint(x0, y0, r, (90 + -angle))
return {
type: 'circle',
shape: {
cx: point.x,
cy: point.y,
r: 4
},
style: {
stroke: "#FF8E89", //粉
fill: "#FF8E89"
},
silent: true
};
},
data: [0]
}, {
name: "ring5", //绿点
type: 'custom',
coordinateSystem: "none",
renderItem: function(params, api) {
let x0 = api.getWidth() / 2;
let y0 = api.getHeight() / 2;
let r = Math.min(api.getWidth(), api.getHeight()) / 2 * 0.95;
let point = getCirlPoint(x0, y0, r, (270 + -angle))
return {
type: 'circle',
shape: {
cx: point.x,
cy: point.y,
r: 4
},
style: {
stroke: "#0CD3DB", //绿
fill: "#0CD3DB"
},
silent: true
};
},
data: [0]
}, {
name: '',
type: 'bar',
roundCap: true,
barWidth: 60,
showBackground: true,
backgroundStyle: {
color: '#464451',
},
data: [75],
coordinateSystem: 'polar',
itemStyle: {
normal: {
color: new echarts.graphic.LinearGradient(1, 0, 0, 0, [{
offset: 0,
color: '#0ff'
}, {
offset: 1,
color: '#02aeff'
}]),
}
}
},
{
type: 'pie',
radius: ['75%', '76%'],
center: ['50%', '50%'],
data: [{
hoverOffset: 1,
value: 100,
name: '',
itemStyle: {
color: '#ff6189',
},
label: {
show: false
},
labelLine: {
normal: {
smooth: true,
lineStyle: {
width: 0
}
}
},
hoverAnimation: false,
},
{
label: {
show: false
},
labelLine: {
normal: {
smooth: true,
lineStyle: {
width: 0
}
}
},
value: 100 - 75,
hoverAnimation: false,
itemStyle: {
color: '#3c3a48',
},
}
]
},
]
};
//获取圆上面某点的坐标(x0,y0表示坐标，r半径，angle角度)
function getCirlPoint(x0, y0, r, angle) {
let x1 = x0 + r * Math.cos(angle * Math.PI / 180)
let y1 = y0 + r * Math.sin(angle * Math.PI / 180)
return {
x: x1,
y: y1
}
}
function draw() {
angle = angle + 3
myChart.setOption(option, true)
//window.requestAnimationFrame(draw);
}
setInterval(function() {
//用setInterval做动画感觉有问题
draw()
}, 100);