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XCEngine/docs/api/math/plane/getside.md
ssdfasd b414bc5326 refactor(docs): Fix broken links across multiple modules
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2026-03-26 02:41:00 +08:00

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Plane::GetSide

bool GetSide(const Vector3& point) const

判断点在平面的哪一侧。返回值 true 表示点在法线方向一侧,false 表示点在法线相反方向或平面上。

参数:

  • point - 要测试的点

返回: bool - true 表示点在法线方向一侧,false 表示另一侧或平面上

线程安全:

复杂度: O(1)

示例:

#include <XCEngine/Core/Math/Plane.h>
#include <XCEngine/Core/Math/Vector3.h>

using namespace XCEngine::Math;

void GetSideExample() {
    Plane plane(Vector3::Up(), 0.0f);

    Vector3 pointOnNormalSide(0.0f, 1.0f, 0.0f);
    if (plane.GetSide(pointOnNormalSide)) {
    }

    Vector3 pointOnOppositeSide(0.0f, -1.0f, 0.0f);
    if (!plane.GetSide(pointOnOppositeSide)) {
    }
}

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