feat(战斗系统): 实现基于技能距离的智能移动和攻击逻辑

重构英雄和怪物移动系统，引入技能距离缓存机制
在HeroAttrsComp中添加技能距离缓存管理
修改HeroSkillsComp以支持技能距离计算
更新移动系统使用技能距离判断攻击时机和停止位置
调整怪物配置统一使用水球技能

assets/script/game/hero/SACastSystem.ts

@@ -54,6 +54,9 @@ export class SACastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdat
             const config = SkillSet[skill.s_uuid];
             if (!config || config.SType !== SType.damage) continue;
             
+            // 检查是否有敌人在技能攻击范围内
+            if (!this.hasEnemyInSkillRange(heroView, heroAttrs, skill.dis)) continue;
+            
             // ✅ 开始执行施法
             this.startCast(e,skill);
             
@@ -276,6 +279,31 @@ export class SACastSystem extends ecs.ComblockSystem implements ecs.ISystemUpdat
         
         return allies;
     }
+
+    /**
+     * 检查技能攻击范围内是否有敌人
+     */
+    private hasEnemyInSkillRange(heroView: HeroViewComp, heroAttrs: HeroAttrsComp, skillDistance: number): boolean {
+        if (!heroView || !heroView.node) return false;
+        
+        const currentPos = heroView.node.position;
+        const team = heroAttrs.fac;
+        
+        let found = false;
+        ecs.query(ecs.allOf(HeroAttrsComp, HeroViewComp)).some(e => {
+            const model = e.get(HeroAttrsComp);
+            const view = e.get(HeroViewComp);
+            if (!view || !view.node) return false;
+            const distance = Math.abs(currentPos.x - view.node.position.x);
+            if (model.fac !== team && !model.is_dead) {
+                if (distance <= skillDistance) {
+                    found = true;
+                    return true;
+                }
+            }
+        });
+        return found;
+    }
   
 
 }