增加摄像机

client/core/domain/Project.h

@@ -148,6 +148,24 @@ public:
     void setTools(const QVector<Tool>& tools) { m_tools = tools; }
     const QVector<Tool>& tools() const { return m_tools; }
 
+    // —— 摄像机（正交俯视；centerWorld 为视口中心；viewScale 为相对参考分辨率 1600×900 的像素/世界单位比，
+    //    预览与视口框按该参考换算，不随实际窗口宽高改变「镜头」所覆盖的世界范围）——
+    struct Camera {
+        QString id;
+        QString displayName;
+        bool visible = true;
+        QPointF centerWorld;
+        double viewScale = 1.0;
+        QVector<Entity::KeyframeVec2> locationKeys;
+        QVector<Entity::KeyframeDouble> scaleKeys;
+    };
+
+    void setCameras(const QVector<Camera>& cameras) { m_cameras = cameras; }
+    const QVector<Camera>& cameras() const { return m_cameras; }
+
+    void setActiveCameraId(const QString& id) { m_activeCameraId = id; }
+    const QString& activeCameraId() const { return m_activeCameraId; }
+
     // —— 动画系统（Blender/NLA 风格简化版，工程级）——
     struct AnimationClip {
         QString id;
@@ -162,6 +180,9 @@ public:
         // Tool channels (keyed by tool id)
         QHash<QString, QVector<Entity::KeyframeVec2>> toolLocationKeys;
         QHash<QString, QVector<ToolKeyframeBool>> toolVisibilityKeys;
+
+        QHash<QString, QVector<Entity::KeyframeVec2>> cameraLocationKeys;
+        QHash<QString, QVector<Entity::KeyframeDouble>> cameraScaleKeys;
     };
 
     struct NlaStrip {
@@ -247,6 +268,8 @@ private:
     int m_fps = 60;
     QVector<Entity> m_entities;
     QVector<Tool> m_tools;
+    QVector<Camera> m_cameras;
+    QString m_activeCameraId;
 
     QVector<AnimationClip> m_clips;
     QVector<AnimationScheme> m_schemes;