添加为上靶的方向指示

src/util.js

@@ -676,3 +676,24 @@ export const generateShareCard = (canvasId, date, actual, total) => {
 };
 
 export const generateShareImage = (canvasId) => {};
+
+export const getDirectionText = (angle = 0) => {
+  if (angle < 0) return "";
+  if (angle >= 337.5 || angle < 22.5) {
+    return "下";
+  } else if (angle >= 22.5 && angle < 67.5) {
+    return "左下";
+  } else if (angle >= 67.5 && angle < 112.5) {
+    return "左";
+  } else if (angle >= 112.5 && angle < 157.5) {
+    return "左上";
+  } else if (angle >= 157.5 && angle < 202.5) {
+    return "上";
+  } else if (angle >= 202.5 && angle < 247.5) {
+    return "右上";
+  } else if (angle >= 247.5 && angle < 292.5) {
+    return "右";
+  } else if (angle >= 292.5 && angle < 337.5) {
+    return "右下";
+  }
+};