增加地图广播限制速率

modules/blazing/model/player.go

@@ -2,6 +2,7 @@ package model
 
 import (
 	"blazing/cool"
+	"math"
 	"time"
 
 	"github.com/creasty/defaults"
@@ -23,6 +24,23 @@ type Pos struct {
 	Y uint32 `struc:"uint32" default:"0"`
 }
 
+// 计算两个uint32的差值绝对值（转为int64避免溢出）
+func absDiff(a, b uint32) int64 {
+	return int64(math.Abs(float64(int64(a) - int64(b))))
+}
+
+// 判断两个Pos的X和Y差值的绝对值是否均小于50
+func bothDiffsLessThan50(pos1, pos2 Pos) bool {
+	xDiff := absDiff(pos1.X, pos2.X)
+	yDiff := absDiff(pos1.Y, pos2.Y)
+	return xDiff < 50 && yDiff < 50
+}
+
+func (p Pos) BothLessThan50(t Pos) bool {
+
+	return bothDiffsLessThan50(p, t)
+}
+
 // PeopleItemInfo 穿戴装备信息结构（PeopleItemInfo）
 type PeopleItemInfo struct {
 	ID    uint32 `struc:"uint32"`             // 装备id