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Additional 3d support

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Brian Fiete 2021-05-25 10:57:22 -04:00
parent 369bb0640c
commit 39c140f44a
27 changed files with 4063 additions and 126 deletions
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BeefySysLib/util/Sphere.h Normal file
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#pragma once
#include "Common.h"
#include "Vector.h"
NS_BF_BEGIN
class Vector3;
class Matrix4;
class Sphere
{
public:
Vector3 mCenter;
float mRadius;
Sphere();
Sphere(const Sphere& X);
Sphere(const Vector3& O); // Point-Sphere
Sphere(const Vector3& O, float R); // Center and radius (not squared)
Sphere(const Vector3& O, const Vector3& A); // Sphere through two points
Sphere(const Vector3& O, const Vector3& A, const Vector3& B); // Sphere through three points
Sphere(const Vector3& O, const Vector3& A, const Vector3& B, const Vector3& C); // Sphere through four points
Sphere& operator=(const Sphere& S);
float GetDistance(const Vector3& P) const; // Distance from p to boundary of the Sphere
float GetDistanceSquare(const Vector3& P) const; // Square distance from p to boundary of the Sphere
static float GetDistance(const Sphere& S, const Vector3& P); // Distance from p to boundary of the Sphere
static float GetDistance(const Vector3& P, const Sphere& S); // Distance from p to boundary of the Sphere
static float GetDistanceSquare(const Sphere& S, const Vector3& P); // Square distance from p to boundary of the Sphere
static float GetDistanceSquare(const Vector3& P, const Sphere& S); // Square distance from p to boundary of the Sphere
static Sphere MiniBall(Vector3 P[], int p); // Smallest enclosing sphere
static Sphere SmallBall(Vector3 P[], int p); // Enclosing sphere approximation
private:
static Sphere RecurseMini(Vector3* P[], int p, int b = 0);
};
NS_BF_END