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Kirill Yurkin
2024-06-10 12:48:14 +03:00
commit d54c9805b3
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thirdparty/ode-0.16.5/OPCODE/Ice/IceSegment.h vendored Normal file
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Contains code for segments.
* \file IceSegment.h
* \author Pierre Terdiman
* \date April, 4, 2000
*/
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Include Guard
#ifndef __ICESEGMENT_H__
#define __ICESEGMENT_H__
class ICEMATHS_API Segment
{
public:
//! Constructor
inline_ Segment() {}
//! Constructor
inline_ Segment(const Point& p0, const Point& p1) : mP0(p0), mP1(p1) {}
//! Copy constructor
inline_ Segment(const Segment& seg) : mP0(seg.mP0), mP1(seg.mP1) {}
//! Destructor
inline_ ~Segment() {}
inline_ const Point& GetOrigin() const { return mP0; }
inline_ Point ComputeDirection() const { return mP1 - mP0; }
inline_ void ComputeDirection(Point& dir) const { dir = mP1 - mP0; }
inline_ float ComputeLength() const { return mP1.Distance(mP0); }
inline_ float ComputeSquareLength() const { return mP1.SquareDistance(mP0); }
inline_ void SetOriginDirection(const Point& origin, const Point& direction)
{
mP0 = mP1 = origin;
mP1 += direction;
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
/**
* Computes a point on the segment
* \param pt [out] point on segment
* \param t [in] point's parameter [t=0 => pt = mP0, t=1 => pt = mP1]
*/
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
inline_ void ComputePoint(Point& pt, float t) const { pt = mP0 + t * (mP1 - mP0); }
float SquareDistance(const Point& point, float* t=null) const;
inline_ float Distance(const Point& point, float* t=null) const { return sqrtf(SquareDistance(point, t)); }
Point mP0; //!< Start of segment
Point mP1; //!< End of segment
};
#endif // __ICESEGMENT_H__