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