fix(英雄): 调整近战最小攻击距离并修复攻击动画循环

- 将 meleeMinEnemyDistanceX 从 80 减少到 60，优化近战英雄攻击距离判定
- 在 HeroAnmComp 中添加 _atkIndex 变量，实现 atk0、atk1、atk2 攻击动画的循环播放

assets/script/game/hero/HeroAnmComp.ts

@@ -9,6 +9,7 @@ export default class HeroAnmComp extends Component{
     fsSprite:FlashSprite = null!;
     private anmcon:any=null
     private _hasStop = true;
+    private _atkIndex = 0;
     private default_anim:string='Idle'
     anms:any[]=["idle","move","stun","dead","buff","atk0","atk1","atk2","max0","max1"]
     onLoad () {
@@ -42,8 +43,9 @@ export default class HeroAnmComp extends Component{
     }
     atk () {
         if(this.anmcon.getState("max0").isPlaying) return
-        // if(this.anmcon.getState("atk0").isPlaying) return
-        this.anmcon.play("atk0")
+        const atkName = `atk${this._atkIndex}`
+        this.anmcon.play(atkName)
+        this._atkIndex = (this._atkIndex + 1) % 3
     }
     max () {
         if(this.anmcon.getState("max0").isPlaying) return
@@ -62,4 +64,4 @@ export default class HeroAnmComp extends Component{
         if(this.anmcon.getState("dead").isPlaying) return
         this.anmcon.play("dead")
     }
-}
+}

assets/script/game/hero/MoveComp.ts

@@ -37,7 +37,7 @@ interface MoveFacConfig {
 @ecs.register('MoveSystem')
 export class MoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate {
     private readonly meleeAttackRange = HeroDisVal[HType.Melee];
-    private readonly meleeMinEnemyDistanceX = 80;
+    private readonly meleeMinEnemyDistanceX = 60;
     private readonly meleeOvertakeSpeedGap = 20;
     private readonly allySpacingX = 40;
     private readonly allyOverlapSpacingX = 14;