29 lines
452 B
Markdown
29 lines
452 B
Markdown
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# Material::HasProperty
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```cpp
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bool HasProperty(const Containers::String& name) const;
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```
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检查指定属性是否存在。
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**参数：**
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- `name` - 属性名称
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**返回：** 属性存在返回 true，否则返回 false
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**线程安全：** ✅
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**复杂度：** O(1)
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**示例：**
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```cpp
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if (mat->HasProperty("roughness")) {
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float roughness = mat->GetFloat("roughness");
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}
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```
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## 相关文档
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- [Material](material.md) - 返回类总览
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