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27 lines
476 B
Markdown
27 lines
476 B
Markdown
# Ray::Intersects (sphere)
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```cpp
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bool Intersects(const Sphere& sphere, float& t) const
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```
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检测射线是否与球体相交。
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**参数：**
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- `sphere` - 要检测的球体
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- `t` - 输出最近交点的参数距离
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**返回：** `bool` - 相交返回 true，否则返回 false
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**复杂度：** O(1)
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**示例：**
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```cpp
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Ray ray(cameraPosition, rayDirection);
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float t;
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if (ray.Intersects(sphere, t)) {
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Vector3 hitPoint = ray.GetPoint(t);
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// 处理命中
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}
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```
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