feat: 雷达图展示优化

This commit is contained in:
2025-11-30 23:19:34 +08:00
parent 7910f274c7
commit f389397227
3 changed files with 53 additions and 3 deletions

View File

@@ -92,12 +92,34 @@ const RadarChart: React.FC = forwardRef((props, ref) => {
});
// === 数据区域 ===
// ctx.beginPath();
// values.forEach((val, i) => {
// const angle = ((Math.PI * 2) / labels.length) * i - Math.PI / 2;
// const r = (val / maxValue) * radius;
// const x = center.x + r * Math.cos(angle);
// const y = center.y + r * Math.sin(angle);
// if (i === 0) ctx.moveTo(x, y);
// else ctx.lineTo(x, y);
// });
// ctx.closePath();
// ctx.fillStyle = "rgba(0,200,180,0.3)";
// ctx.fill();
// ctx.strokeStyle = "#00c8b4";
// ctx.lineWidth = 3;
// ctx.stroke();
const baseRadius = (radius / levels) * 1; // 第二个环为起点
const usableRadius = radius - baseRadius;
ctx.beginPath();
values.forEach((val, i) => {
const angle = ((Math.PI * 2) / labels.length) * i - Math.PI / 2;
const r = (val / maxValue) * radius;
// 关键修改:值从第二个环开始
const r = baseRadius + (val / maxValue) * usableRadius;
const x = center.x + r * Math.cos(angle);
const y = center.y + r * Math.sin(angle);
if (i === 0) ctx.moveTo(x, y);
else ctx.lineTo(x, y);
});