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43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
#pragma once
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#include "Common.h"
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#include "Vector.h"
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NS_BF_BEGIN
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class Vector3;
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class Matrix4;
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class Sphere
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{
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public:
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Vector3 mCenter;
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float mRadius;
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Sphere();
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Sphere(const Sphere& X);
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Sphere(const Vector3& O); // Point-Sphere
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Sphere(const Vector3& O, float R); // Center and radius (not squared)
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Sphere(const Vector3& O, const Vector3& A); // Sphere through two points
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Sphere(const Vector3& O, const Vector3& A, const Vector3& B); // Sphere through three points
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Sphere(const Vector3& O, const Vector3& A, const Vector3& B, const Vector3& C); // Sphere through four points
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Sphere& operator=(const Sphere& S);
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float GetDistance(const Vector3& P) const; // Distance from p to boundary of the Sphere
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float GetDistanceSquare(const Vector3& P) const; // Square distance from p to boundary of the Sphere
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static float GetDistance(const Sphere& S, const Vector3& P); // Distance from p to boundary of the Sphere
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static float GetDistance(const Vector3& P, const Sphere& S); // Distance from p to boundary of the Sphere
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static float GetDistanceSquare(const Sphere& S, const Vector3& P); // Square distance from p to boundary of the Sphere
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static float GetDistanceSquare(const Vector3& P, const Sphere& S); // Square distance from p to boundary of the Sphere
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static Sphere MiniBall(Vector3 P[], int p); // Smallest enclosing sphere
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static Sphere SmallBall(Vector3 P[], int p); // Enclosing sphere approximation
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private:
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static Sphere RecurseMini(Vector3* P[], int p, int b = 0);
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};
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NS_BF_END
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