38 lines
728 B
Markdown
38 lines
728 B
Markdown
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# GetSpotAngle
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**所属类**: `LightComponent`
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**头文件**: `XCEngine/Components/LightComponent.h`
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**描述**: 获取聚光灯的角度（仅对聚光灯有效）。
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## 函数签名
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```cpp
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float GetSpotAngle() const;
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```
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## 返回值
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| 类型 | 描述 |
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|------|------|
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| `float` | 聚光灯角度（度），默认值为 30.0 |
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## 使用示例
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```cpp
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#include <XCEngine/Components/LightComponent.h>
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using namespace XCEngine::Components;
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void PrintSpotAngle(LightComponent* light) {
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float angle = light->GetSpotAngle();
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printf("Spot angle: %.1f degrees\n", angle);
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}
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```
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## 相关文档
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- [LightComponent](./light-component.md) - 光源组件
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- [SetSpotAngle](./set-spot-angle.md) - 设置聚光灯角度
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