Merge pull request #542 from antvis/fix_sector_with_only_one

当只有1个扇形时，角度计算-6.285040585751744e-7和0，相减小于0.0001，也不绘制
antvis · Apr 1, 2019 · d3f21b5 · d3f21b5
2 parents 1e6c194 + 337a95a
commit d3f21b5
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Showing 3 changed files with 4 additions and 3 deletions.
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@antv/f2",
-  "version": "3.3.7",
+  "version": "3.3.8",
   "description": "Charts for mobile visualization.",
   "keywords": [
     "f2",

diff --git a/src/global.js b/src/global.js
@@ -2,7 +2,7 @@ const Theme = require('./theme');
 const Util = require('./util/common');
 
 const Global = {
-  version: '3.3.7',
+  version: '3.3.8',
   scales: {},
   widthRatio: {
     column: 1 / 2,

diff --git a/src/graphic/shape/sector.js b/src/graphic/shape/sector.js
@@ -32,7 +32,8 @@ class Sector extends Shape {
     context.moveTo(unitX * r0 + x, unitY * r0 + y);
     context.lineTo(unitX * r + x, unitY * r + y);
 
-    if (Math.abs(endAngle - startAngle) > 0.0001) { // 当扇形的角度非常小的时候，就不进行弧线的绘制
+    // 当扇形的角度非常小的时候，就不进行弧线的绘制；或者整个只有1个扇形时，会出现end<0的情况不绘制
+    if (Math.abs(endAngle - startAngle) > 0.0001 || startAngle === 0 && endAngle < 0) {
       context.arc(x, y, r, startAngle, endAngle, clockwise);
       context.lineTo(Math.cos(endAngle) * r0 + x, Math.sin(endAngle) * r0 + y);
       if (r0 !== 0) {