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81 lines
3.1 KiB
C++
81 lines
3.1 KiB
C++
#ifndef __sgSpaceMath__
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#define __sgSpaceMath__
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namespace sgSpaceMath
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{
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sgCore_API bool IsPointsOnOneLine(const SG_POINT& p1,
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const SG_POINT& p2,
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const SG_POINT& p3);
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sgCore_API sgFloat PointsDistance(const SG_POINT& p1, const SG_POINT& p2);
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sgCore_API bool NormalVector(SG_VECTOR& vect);
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sgCore_API SG_VECTOR VectorsAdd(const SG_VECTOR& v1,const SG_VECTOR& v2);
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sgCore_API SG_VECTOR VectorsSub(const SG_VECTOR& v1,const SG_VECTOR& v2);
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sgCore_API sgFloat VectorsScalarMult(const SG_VECTOR& v1,const SG_VECTOR& v2);
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sgCore_API SG_VECTOR VectorsVectorMult(const SG_VECTOR& v1,const SG_VECTOR& v2);
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sgCore_API sgFloat ProjectPointToLineAndGetDist(const SG_POINT& lineP,
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const SG_VECTOR& lineDir,
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const SG_POINT& pnt,
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SG_POINT& resPnt);
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typedef enum
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{
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SG_LINE_PARALLEL = -1,
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SG_LINE_ON_PLANE = 0,
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SG_EXIST_INTERSECT_PONT = 1
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} SG_PLANE_AND_LINE;
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sgCore_API SG_PLANE_AND_LINE IntersectPlaneAndLine(const SG_VECTOR& planeNorm,
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const sgFloat planeD,
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const SG_POINT& lineP,
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const SG_VECTOR& lineDir,
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SG_POINT& resP);
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sgCore_API bool IsSegmentsIntersecting(const SG_LINE& ln1,
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bool as_line1,
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const SG_LINE& ln2,
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bool as_line2,
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SG_POINT& resP);
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sgCore_API bool PlaneFromPoints(const SG_POINT& p1,
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const SG_POINT& p2,
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const SG_POINT& p3,
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SG_VECTOR& resPlaneNorm,
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sgFloat& resPlaneD);
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sgCore_API void PlaneFromNormalAndPoint(const SG_POINT& planePnt,
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const SG_VECTOR& planeNorm,
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sgFloat& resPlaneD);
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sgCore_API sgFloat GetPlanePointDistance(const SG_POINT& pnt,
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const SG_VECTOR& planeNorm,
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const sgFloat planeD);
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sgCore_API sgFloat GetLinePointDistance(const SG_POINT& lineP,
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const SG_VECTOR& lineDir,
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const SG_POINT& pnt,
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SG_POINT& projectionPnt);
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sgCore_API bool Intersect3Plane(const SG_VECTOR& planeNorm1,
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const sgFloat planeD1,
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const SG_VECTOR& planeNorm2,
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const sgFloat planeD2,
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const SG_VECTOR& planeNorm3,
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const sgFloat planeD3,
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SG_POINT& resP);
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sgCore_API bool Intersect2Plane(const SG_VECTOR& planeNorm1,
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const sgFloat planeD1,
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const SG_VECTOR& planeNorm2,
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const sgFloat planeD2,
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SG_POINT& resP,
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SG_VECTOR& resVector);
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};
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#endif
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