refactor: 整理技能与战斗相关的配置与逻辑

1.  新增技能飞行距离配置项，支持自定义直线技能飞行距离
2.  调整英雄后退击退范围从30改为20
3.  重构击退逻辑，统一敌我双方的边界钳制处理
4.  优化Boss数值配置，固定基础面板为初始英雄2倍强度
5.  修正技能6006的动画资源引用为atk1
6.  调整近战英雄默认停火距离从80改为60
7.  更新注释文档与配置注释，优化代码可读性

assets/script/game/skill/SMoveComp.ts

@@ -74,6 +74,9 @@ export class SMoveDataComp extends ecs.Comp {
     
     /** 是否自动销毁（到达目标后） */
     autoDestroy: boolean = true;
+
+    /** 直线飞行距离（仅 runType=linear 生效，<=0 时延长终点飞出屏幕） */
+    distance: number = 0;
     
     reset() {
         this.startPos.set(0, 0, 0);
@@ -98,6 +101,7 @@ export class SMoveDataComp extends ecs.Comp {
         this.startTime = 0;
         this.totalTime = 0;
         this.autoDestroy = true;
+        this.distance = 0;
     }
     
     /**

assets/script/game/skill/SMoveSystem.ts

@@ -83,21 +83,36 @@ export class SMoveSystem extends ecs.ComblockSystem implements ecs.ISystemUpdate
                 const direction = new Vec3();
                 Vec3.subtract(direction, originTargetPos, adjustedStartPos);
 
-                // 延长终止点，统一消亡点的x坐标为 +-500
-                const targetX = moveComp.scale > 0 ? 500 : -500;
-                let targetY = originTargetPos.y;
+                let adjustedTargetPos: Vec3;
+                if (moveComp.distance > 0) {
+                    // 距离模式：沿起始指向目标的方向飞行固定距离
+                    if (direction.length() < 0.01) {
+                        // 起终点重合时退化为按朝向水平飞行
+                        direction.set(moveComp.scale > 0 ? 1 : -1, 0, 0);
+                    }
+                    direction.normalize();
+                    adjustedTargetPos = v3(
+                        adjustedStartPos.x + direction.x * moveComp.distance,
+                        adjustedStartPos.y + direction.y * moveComp.distance,
+                        originTargetPos.z
+                    );
+                } else {
+                    // 延长终止点，统一消亡点的x坐标为 +-500
+                    const targetX = moveComp.scale > 0 ? 500 : -500;
+                    let targetY = originTargetPos.y;
 
-                if (Math.abs(direction.x) > 0.01) {
-                    const slope = direction.y / direction.x;
-                    targetY = adjustedStartPos.y + slope * (targetX - adjustedStartPos.x);
+                    if (Math.abs(direction.x) > 0.01) {
+                        const slope = direction.y / direction.x;
+                        targetY = adjustedStartPos.y + slope * (targetX - adjustedStartPos.x);
+                    }
+
+                    adjustedTargetPos = v3(
+                        targetX,
+                        targetY,
+                        originTargetPos.z
+                    );
                 }
 
-                const adjustedTargetPos = v3(
-                    targetX,
-                    targetY,
-                    originTargetPos.z
-                );
-
                 moveComp.startPos.set(adjustedStartPos);
                 moveComp.targetPos.set(adjustedTargetPos);
                 node.setPosition(adjustedStartPos);

assets/script/game/skill/Skill.ts

@@ -184,6 +184,7 @@ export class Skill extends ecs.Entity {
             // 从SkillView获取移动参数，位置初始化由SMoveSystem统一处理
             sMoveCom.atk_x = SView.atk_x;
             sMoveCom.atk_y = SView.atk_y;
+            sMoveCom.distance = SView.distance;
 
             if (SView.endType === EType.timeEnd) {
                 let sTimeCom = this.get(StimeDataComp);

assets/script/game/skill/SkillView.ts

@@ -38,6 +38,10 @@ export class SkillView extends CCComp {
     @property({ type: CCFloat, slide: true, range: [0, 30, 0.1], tooltip: "timeEnd 持续时间（秒）" })
     time: number = 0;
 
+    /** 直线飞行距离（像素），仅 runType=linear 时生效（由 prefab 配置，<=0 时保持默认飞出屏幕的行为） */
+    @property({ type: CCFloat, slide: true, range: [0, 2000, 10], tooltip: "直线飞行距离（仅 linear 生效）" })
+    distance: number = 0;
+
     private debugMode: boolean = false;
 
     anim: Animation = null;