update

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

@@ -1,7 +1,7 @@
 import { Vec2 } from 'cc'
 
 export default class RandomUtil {
-  //随机minNum到maxNum的数字 （包含maxNum）
+  // 随机minNum到maxNum的数字 （包含maxNum）
   public static nextInt(minNum: number, maxNum: number) {
     return Math.floor(Math.random() * (maxNum - minNum + 1) + minNum)
   }
@@ -11,27 +11,24 @@ export default class RandomUtil {
   }
 
   public static nextSign() {
-    let temp = Math.random()
-    if (temp < 0.5) {
-      return 1
-    }
+    const temp = Math.random()
+    if (temp < 0.5) return 1
+
     return -1
   }
 
   public static nextBoolean() {
-    let temp = Math.random()
-    return temp < 0.5;
-
+    const temp = Math.random()
+    return temp < 0.5
   }
 
   public static randomArr(nowArr: Array<any>, needNum: number) {
-    let tempArr: Array<any> = nowArr.concat()
-    let resultArr: Array<any> = []
+    const tempArr: Array<any> = nowArr.concat()
+    const resultArr: Array<any> = []
     for (let index = 0; index < needNum; index++) {
-      if (tempArr.length <= 0) {
-        break
-      }
-      let randomIndex: number = RandomUtil.nextInt(0, tempArr.length - 1)
+      if (tempArr.length <= 0) break
+
+      const randomIndex: number = RandomUtil.nextInt(0, tempArr.length - 1)
       resultArr.push(tempArr.splice(randomIndex, 1)[0])
     }
     return resultArr
@@ -42,8 +39,8 @@ export default class RandomUtil {
   }
 
   public static randomP(left: number, right: number, up: number, down: number) {
-    let randomX: number = RandomUtil.nextNumber(left, right)
-    let randomY: number = RandomUtil.nextNumber(up, down)
+    const randomX: number = RandomUtil.nextNumber(left, right)
+    const randomY: number = RandomUtil.nextNumber(up, down)
     return new Vec2(randomX, randomY)
   }
 }