update

assets/FishSingle/script/engine/utils/MathUtils.ts

@@ -11,7 +11,7 @@ export default class MathUtils {
   public static distance(x1: number, y1: number, x2: number, y2: number) {
     // 设两点A（X1,Y1）,B（X2,Y2）
     // 距离D=（X2-X1）的平方+（Y2-Y1）平方的和开平方
-    return Math.sqrt(Math.pow(x1 - x2, 2) + Math.pow(y1 - y2, 2))
+    return Math.sqrt((x1 - x2) ** 2 + (y1 - y2) ** 2)
   }
 
   /**
@@ -45,7 +45,7 @@ export default class MathUtils {
    * @param endP
    */
   public static p2pRad(startP: Vec2, endP: Vec2) {
-    let rad: number = Math.atan2(endP.y - startP.y, endP.x - startP.x)
+    const rad: number = Math.atan2(endP.y - startP.y, endP.x - startP.x)
     return rad
   }
 
@@ -54,11 +54,8 @@ export default class MathUtils {
    * @param rot
    */
   public static rotation2Fish(rot: number) {
-    if (rot >= 0 && rot <= 180) {
-      rot = 180 - rot
-    } else {
-      rot = -180 - rot
-    }
+    if (rot >= 0 && rot <= 180) rot = 180 - rot
+    else rot = -180 - rot
     return rot
   }
 }