44 lines
897 B
Markdown
44 lines
897 B
Markdown
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# SetFieldOfView
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**所属类**: `CameraComponent`
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**头文件**: `XCEngine/Components/CameraComponent.h`
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**描述**: 设置摄像机的视场角（仅在透视投影模式下有效）。
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## 函数签名
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```cpp
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void SetFieldOfView(float value);
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```
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## 参数
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| 参数 | 类型 | 描述 |
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|------|------|------|
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| `value` | `float` | 视场角，单位度，通常在 30.0 到 120.0 之间 |
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## 使用示例
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```cpp
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#include <XCEngine/Components/CameraComponent.h>
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using namespace XCEngine::Components;
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void SetupCameraFOV(CameraComponent* camera) {
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// 宽广视野（FPS游戏）
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camera->SetFieldOfView(90.0f);
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// 窄视野（狙击视角）
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camera->SetFieldOfView(30.0f);
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// 标准视野
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camera->SetFieldOfView(60.0f);
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}
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```
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## 相关文档
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- [CameraComponent](camera-component.md) - 摄像机组件
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- [GetFieldOfView](get-field-of-view.md) - 获取视场角
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