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docs/api/math/frustum/contains-bounds.md

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+# Frustum::Contains (bounds)
+
+```cpp
+bool Contains(const Bounds& bounds) const
+```
+
+检测轴对齐包围盒是否完全在视锥体内。
+
+**参数：**
+- `bounds` - 要检测的轴对齐包围盒
+
+**返回：** `bool` - Bounds 完全在视锥内返回 true
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+Frustum frustum = camera.CalculateFrustum();
+Bounds objectBounds = object.GetWorldBounds();
+if (frustum.Contains(objectBounds)) {
+    // 包围盒完全在视锥内，需要渲染
+    Render(object);
+}
+```

docs/api/math/frustum/contains-point.md

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+# Frustum::Contains (point)
+
+```cpp
+bool Contains(const Vector3& point) const
+```
+
+检测点是否在视锥体内。
+
+**参数：**
+- `point` - 要检测的世界空间点
+
+**返回：** `bool` - 点在视锥内返回 true
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+Frustum frustum = camera.CalculateFrustum();
+Vector3 point = object.GetPosition();
+if (frustum.Contains(point)) {
+    // 点在视锥内
+}
+```

docs/api/math/frustum/contains-sphere.md

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+# Frustum::Contains (sphere)
+
+```cpp
+bool Contains(const Sphere& sphere) const
+```
+
+检测球体是否完全在视锥体内。
+
+**参数：**
+- `sphere` - 要检测的球体
+
+**返回：** `bool` - 球体完全在视锥内返回 true
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+Frustum frustum = camera.CalculateFrustum();
+Sphere collider = object.GetBoundingSphere();
+if (frustum.Contains(collider)) {
+    // 球体完全在视锥内
+}
+```

docs/api/math/frustum/frustum.md

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+# Frustum
+
+视锥体，用于视锥剔除。
+
+**头文件：** `#include <XCEngine/Math/Frustum.h>`
+
+**命名空间：** `XCEngine::Math`
+
+## 类定义
+
+```cpp
+class Frustum {
+public:
+    Plane planes[6];
+
+    enum class PlaneIndex {
+        Left = 0,
+        Right = 1,
+        Bottom = 2,
+        Top = 3,
+        Near = 4,
+        Far = 5
+    };
+
+    bool Contains(const Vector3& point) const;
+    bool Contains(const Sphere& sphere) const;
+    bool Contains(const Bounds& bounds) const;
+    bool Intersects(const Bounds& bounds) const;
+    bool Intersects(const Sphere& sphere) const;
+};
+```
+
+## 实例方法
+
+| 方法 | 返回值 | 描述 |
+|------|--------|------|
+| [Contains(point)](contains-point.md) | `bool` | 点是否在视锥内 |
+| [Contains(sphere)](contains-sphere.md) | `bool` | 球体是否完全在视锥内 |
+| [Contains(bounds)](contains-bounds.md) | `bool` | Bounds 是否完全在视锥内 |
+| [Intersects(bounds)](intersects-bounds.md) | `bool` | Bounds 是否与视锥相交 |
+| [Intersects(sphere)](intersects-sphere.md) | `bool` | 球体是否与视锥相交 |
+
+## 相关文档
+
+- [Math 模块总览](../math.md) - 返回 Math 模块总览

docs/api/math/frustum/intersects-bounds.md

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+# Frustum::Intersects (bounds)
+
+```cpp
+bool Intersects(const Bounds& bounds) const
+```
+
+检测轴对齐包围盒是否与视锥体相交。
+
+**参数：**
+- `bounds` - 要检测的轴对齐包围盒
+
+**返回：** `bool` - 与视锥相交返回 true
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+Frustum frustum = camera.CalculateFrustum();
+for (const auto& object : sceneObjects) {
+    if (frustum.Intersects(object.bounds)) {
+        // 物体与视锥相交，需要渲染
+        Render(object);
+    }
+}
+```

docs/api/math/frustum/intersects-sphere.md

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+# Frustum::Intersects (sphere)
+
+```cpp
+bool Intersects(const Sphere& sphere) const
+```
+
+检测球体是否与视锥体相交。
+
+**参数：**
+- `sphere` - 要检测的球体
+
+**返回：** `bool` - 与视锥相交返回 true
+
+**复杂度：** O(1)
+
+**示例：**
+
+```cpp
+Frustum frustum = camera.CalculateFrustum();
+Sphere collider = object.GetBoundingSphere();
+if (frustum.Intersects(collider)) {
+    // 球体与视锥相交
+    Render(object);
+}
+```