属性随机使用既有方法

shared/pubUtils/itemUtils.ts

@@ -6,7 +6,7 @@ import { EquipModel, RandSe, Holes } from './../db/Equip';
 import { BagInter, EquipInter } from './interface';
 import { gameData } from './data';
 import { RANDOM_SE_COUNT, FIX_ATTRIBUTES_RAN, ITID } from '../consts';
-import { getRandomByLen } from './util';
+import { getRandValueByMinMax, getRandEelm } from './util';
 
 const _ = require('underscore');
 
@@ -35,24 +35,22 @@ export async function addEquips(roleId: string, roleName: string, weapon: EquipI
     let {type} = ITID.get(itid);
 
     let randomNum = RANDOM_SE_COUNT.get(quality);
-    let pool = randomEffect.map(cur => gameData.randomEffectPool.get(cur));
-    let chosen = new Array<number>();
-    let randSe = new Array<RandSe>();
-    for(let i = 0; i < randomNum; i++) {
-        pool = pool.filter(cur => !chosen.includes(cur.id));
-        let random = getRandomByLen(pool);
-        if(!random) break;
-        chosen.push(random.id);
+    let randomResult: number[] = getRandEelm(randomEffect, randomNum);
+
+    let randSe: Array<RandSe> = randomResult.map((id: number, i: number) => {
+        let random = gameData.randomEffectPool.get(id)
         let rand = 0;
-        if(random.id > 0) rand = Math.floor(Math.random() * (random.Max - random.Min) + random.Min);
-        randSe.push({
+        if(random.id > 0) rand = getRandValueByMinMax(random.Min, random.Max, 0);
+        return {
             id: i + 1,
             seid: random.id,
             rand,
             locked: false
-        });
-    }
-    let randRange = Math.floor(Math.random() * FIX_ATTRIBUTES_RAN * 2) - FIX_ATTRIBUTES_RAN;
+        };
+    });
+    
+    let randRange = getRandValueByMinMax(0 - FIX_ATTRIBUTES_RAN, FIX_ATTRIBUTES_RAN, 0);
+    
     let holes = new Array<Holes>();
     for(let i = 0; i < hole; i++) {
         holes.push({id: i+1, isOpen: false, jewel: 0})

shared/pubUtils/util.ts

@@ -293,6 +293,19 @@ export function getRandValue(base: number, ratio: number, decimal = 2): number {
   return parseFloat((base * (1 - ratio + Math.random() * ratio * 2)).toFixed(decimal));
 }
 
+
+/**
+ * 在给定最大最小值中随机一个值
+ * @param min 最小
+ * @param max 最大
+ * @param decimal 返回值保留的小数位数
+ */
+export function getRandValueByMinMax(min: number, max: number, decimal = 2): number {
+  return parseFloat((min + (max - min) * Math.random()).toFixed(decimal));
+  
+}
+
+
 export function resResult(status: {code: number, simStr: string}, data = null, customMsg = '') {
   const { code, simStr } = status;
   if (code !== STATUS.SUCCESS.code) {