# 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
}
```