perf: 首页支持扣减体力动画

assets/prefabs/PageHome.prefab

@@ -620,7 +620,7 @@
   },
   {
     "__type__": "cc.Node",
-    "_name": "IconStam2",
+    "_name": "IconLive",
     "_objFlags": 0,
     "__editorExtras__": {},
     "_parent": {

assets/prefabs/PageHome.ts

@@ -1,4 +1,4 @@
-import { _decorator, Node, Button, Label } from 'cc';
+import { _decorator, Node, Button, Label, tween, Vec3, UIOpacity, UITransform, Color, instantiate } from 'cc';
 import { BaseView } from 'db://assets/scripts/core/BaseView';
 import { ViewManager } from 'db://assets/scripts/core/ViewManager';
 import { WxSDK, checkPrivacySetting, requirePrivacyAuthorize } from 'db://assets/scripts/utils/WxSDK';
@@ -26,6 +26,21 @@ export class PageHome extends BaseView {
     @property(Label)
     liveLabel: Label | null = null;
 
+    /** 飞行动画持续时间（秒） */
+    private static readonly FLY_DURATION = 0.5;
+
+    /** 到达后弹跳持续时间（秒） */
+    private static readonly BOUNCE_DURATION = 0.15;
+
+    /** 浮动文本动画持续时间（秒） */
+    private static readonly FLOAT_DURATION = 0.8;
+
+    /** 浮动文本上移距离 */
+    private static readonly FLOAT_OFFSET_Y = 120;
+
+    /** 是否正在播放体力消耗动画 */
+    private _isAnimating: boolean = false;
+
     /**
      * 页面首次加载时调用
      */
@@ -86,8 +101,29 @@ export class PageHome extends BaseView {
      * 开始游戏按钮点击回调
      */
     private _onStartGameClick(): void {
+        if (this._isAnimating) return;
+
         console.log('[PageHome] 开始游戏按钮点击');
-        ViewManager.instance.open('PageLevel');
+
+        // 体力检查
+        if (!StaminaManager.instance.hasStamina()) {
+            ToastManager.show('体力不足，请等待恢复');
+            return;
+        }
+
+        this._isAnimating = true;
+        this._playStaminaCostAnimation()
+            .then(() => {
+                ViewManager.instance.open('PageLevel');
+            })
+            .catch(err => {
+                console.error('[PageHome] 体力消耗动画异常:', err);
+                // 异常兜底：直接进入关卡
+                ViewManager.instance.open('PageLevel');
+            })
+            .finally(() => {
+                this._isAnimating = false;
+            });
     }
 
     /**
@@ -98,12 +134,180 @@ export class PageHome extends BaseView {
         ToastManager.show('功能正在开发中，敬请期待吧！');
     }
 
+    // ========== 体力消耗动画 ==========
+
+    /**
+     * 通过节点路径查找 IconLive
+     */
+    private _findIconLive(): Node | null {
+        return this.node
+            .getChildByName('TopLayout')
+            ?.getChildByName('Live')
+            ?.getChildByName('IconLive') ?? null;
+    }
+
+    /**
+     * 将节点的世界坐标转换为目标父节点的本地坐标
+     */
+    private _worldToLocal(worldPos: Vec3, parent: Node): Vec3 {
+        const parentTransform = parent.getComponent(UITransform);
+        if (!parentTransform) return worldPos;
+        return parentTransform.convertToNodeSpaceAR(worldPos);
+    }
+
+    /**
+     * 获取节点的世界坐标
+     */
+    private _getWorldPos(node: Node): Vec3 {
+        const transform = node.getComponent(UITransform);
+        if (!transform) return node.worldPosition.clone();
+        return transform.convertToWorldSpaceAR(Vec3.ZERO);
+    }
+
+    /**
+     * 播放体力消耗动画
+     * 1. 克隆 IconLive 飞向 StarGame 按钮
+     * 2. 到达后弹跳
+     * 3. "体力值-1" 浮动文本上移渐隐
+     * 4. 同步更新体力数字
+     */
+    private _playStaminaCostAnimation(): Promise<void> {
+        return new Promise<void>((resolve) => {
+            const iconLive = this._findIconLive();
+            const targetBtn = this.startGameBtn;
+
+            if (!iconLive || !targetBtn) {
+                console.warn('[PageHome] 动画节点未找到，跳过动画');
+                resolve();
+                return;
+            }
+
+            // --- 坐标计算 ---
+            const iconWorldPos = this._getWorldPos(iconLive);
+            const targetWorldPos = this._getWorldPos(targetBtn);
+            const rootNode = this.node;
+
+            // 起始和终点在 root 本地空间的坐标
+            const startLocal = this._worldToLocal(iconWorldPos, rootNode);
+            const endLocal = this._worldToLocal(targetWorldPos, rootNode);
+
+            // --- 克隆飞行节点 ---
+            const flyNode = instantiate(iconLive);
+            flyNode.name = '_flyIcon';
+            flyNode.setPosition(startLocal);
+            // 保持与原始 IconLive 相同的缩放
+            flyNode.setScale(iconLive.worldScale.clone());
+            rootNode.addChild(flyNode);
+
+            // 隐藏原始 IconLive
+            iconLive.active = false;
+
+            // --- 飞行路径（带弧度的抛物线效果） ---
+            // 中间控制点：x 取中点，y 取较高值 + 偏移形成弧线
+            const midX = (startLocal.x + endLocal.x) / 2;
+            const midY = Math.max(startLocal.y, endLocal.y) + 150;
+            const midPoint = new Vec3(midX, midY, 0);
+
+            // 阶段1：飞到弧线顶点
+            const halfDuration = PageHome.FLY_DURATION / 2;
+
+            tween(flyNode)
+                .to(halfDuration, { position: midPoint }, { easing: 'quadOut' })
+                .to(halfDuration, { position: endLocal }, { easing: 'quadIn' })
+                // 阶段2：到达弹跳
+                .to(PageHome.BOUNCE_DURATION / 2, { scale: new Vec3(0.4, 0.4, 1) }, { easing: 'quadOut' })
+                .to(PageHome.BOUNCE_DURATION / 2, { scale: new Vec3(0.3, 0.3, 1) }, { easing: 'quadIn' })
+                .call(() => {
+                    // 飞行完成 — flyNode 使命结束，立即清理
+                    flyNode.destroy();
+                    iconLive.active = true;
+
+                    // 创建浮动文本
+                    this._showFloatText(targetBtn, rootNode);
+
+                    // 乐观更新体力数字
+                    this._optimisticUpdateStamina();
+
+                    // 等浮动文本播完再 resolve（用 setTimeout，不依赖已销毁节点的 tween）
+                    setTimeout(() => resolve(), PageHome.FLOAT_DURATION * 1000);
+                })
+                .start();
+        });
+    }
+
+    /**
+     * 显示浮动提示文本 "体力值-1"
+     * 从按钮位置向上漂移并渐隐
+     */
+    private _showFloatText(anchorNode: Node, parentNode: Node): void {
+        // 创建文本节点
+        const textNode = new Node('_floatText');
+        textNode.addComponent(UITransform);
+
+        const label = textNode.addComponent(Label);
+        label.string = '体力值-1';
+        label.fontSize = 36;
+        label.lineHeight = 40;
+        label.color = new Color(255, 80, 80, 255);
+        label.isBold = true;
+
+        // 复用 liveLabel 的字体（如果有）
+        if (this.liveLabel?.font) {
+            label.font = this.liveLabel.font;
+        }
+
+        // 添加 UIOpacity 用于渐隐
+        const opacity = textNode.addComponent(UIOpacity);
+        opacity.opacity = 255;
+
+        // 定位到按钮上方
+        const anchorWorldPos = this._getWorldPos(anchorNode);
+        const localPos = this._worldToLocal(anchorWorldPos, parentNode);
+        // 起始位置在按钮上方偏移
+        localPos.y += 120;
+        textNode.setPosition(localPos);
+
+        parentNode.addChild(textNode);
+
+        // 向上漂移 + 渐隐
+        const floatTarget = new Vec3(localPos.x, localPos.y + PageHome.FLOAT_OFFSET_Y, 0);
+        tween(textNode)
+            .to(PageHome.FLOAT_DURATION, { position: floatTarget }, { easing: 'quadOut' })
+            .call(() => {
+                textNode.destroy();
+            })
+            .start();
+
+        tween(opacity)
+            .delay(PageHome.FLOAT_DURATION * 0.3)
+            .to(PageHome.FLOAT_DURATION * 0.7, { opacity: 0 }, { easing: 'quadIn' })
+            .start();
+    }
+
+    /**
+     * 乐观更新体力标签（本地 -1 预扣显示）
+     */
+    private _optimisticUpdateStamina(): void {
+        if (!this.liveLabel) return;
+
+        const stamina = StaminaManager.instance.getStamina();
+        const maxStamina = this._getStaminaMax(stamina);
+        const displayCurrent = Math.max(0, stamina.current - 1);
+        this.liveLabel.string = `${displayCurrent}/${maxStamina}`;
+    }
+
     /**
      * 页面每次显示时调用
      */
     onViewShow(): void {
         console.log('[PageHome] onViewShow');
         this.updateStaminaLabel();
+
+        // 保险恢复：防止动画中途被打断导致 IconLive 隐藏残留
+        const iconLive = this._findIconLive();
+        if (iconLive && !iconLive.active) {
+            iconLive.active = true;
+        }
     }
 
     /**