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112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
#ifndef _CAABOX
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#define _CAABOX
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#include "Kyoto/Math/CVector3f.hpp"
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class CInputStream;
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class CLineSeg;
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class CPlane;
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class CTransform4f;
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class CTri;
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class CAABox {
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public:
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enum EBoxEdgeId {
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kE_Z0,
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kE_X0,
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kE_Z1,
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kE_X1,
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kE_Z2,
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kE_X2,
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kE_Z3,
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kE_X3,
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kE_Y0,
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kE_Y1,
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kE_Y2,
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kE_Y3,
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};
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enum EBoxFaceId {
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kF_YMin,
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kF_YMax,
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kF_XMin,
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kF_XMax,
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kF_ZMax,
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kF_ZMin,
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};
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CAABox() {}
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CAABox(const CVector3f& min, const CVector3f& max);
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CAABox(const float minX, const float minY, const float minZ, const float maxX, const float maxY,
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const float maxZ)
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: min(minX, minY, minZ), max(maxX, maxY, maxZ) {}
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CAABox(CInputStream& in);
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// CAABox(const CAABox& other)
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// : min(other.min)
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// , max(other.max) {}
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// CAABox& operator=(const CAABox& other) {
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// min = other.min;
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// max = other.max;
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// return *this;
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// }
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CLineSeg GetEdge(EBoxEdgeId edge) const;
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CTri GetTri(EBoxFaceId face, int windOffset) const;
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CVector3f ClosestPointAlongVector(const CVector3f& vec) const;
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CVector3f FurthestPointAlongVector(const CVector3f& vec) const;
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CVector3f GetCenterPoint() const;
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CVector3f CenterPoint() const { return (min + max) * 0.5f; }
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CVector3f GetPoint(int) const;
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void Include(const CVector3f& vec) { AccumulateBounds(vec); }
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void Include(const CAABox& other) {
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AccumulateBounds(other.min);
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AccumulateBounds(other.max);
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}
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void AccumulateBounds(const CVector3f&);
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bool Invalid() const;
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bool PointInside(const CVector3f& vec) const;
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bool DoBoundsOverlap(const CAABox&) const;
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float GetVolume() const;
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CAABox GetBooleanIntersection(const CAABox& other) const;
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bool Inside(const CAABox& other) const;
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bool InsidePlane(const CPlane& plane) const;
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CVector3f ClampToBox(const CVector3f& vec) const;
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CAABox GetTransformedAABox(const CTransform4f& xf) const;
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inline CVector3f GetHalfExtent() const {
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// Name is a guess
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return (max - min) * 0.5f;
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}
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const CVector3f& GetMinPoint() const { return min; }
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const CVector3f& GetMaxPoint() const { return max; }
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CVector3f GetPointA() const { return CVector3f(min.GetX(), min.GetY(), min.GetZ()); }
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CVector3f GetPointB() const { return CVector3f(max.GetX(), min.GetY(), min.GetZ()); }
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CVector3f GetPointC() const { return CVector3f(max.GetX(), min.GetY(), max.GetZ()); }
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CVector3f GetPointD() const { return CVector3f(min.GetX(), min.GetY(), max.GetZ()); }
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CVector3f GetPointE() const { return CVector3f(max.GetX(), max.GetY(), min.GetZ()); }
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CVector3f GetPointF() const { return CVector3f(min.GetX(), max.GetY(), max.GetZ()); }
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CVector3f GetPointG() const { return CVector3f(max.GetX(), max.GetY(), max.GetZ()); }
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CVector3f GetPointH() const { return CVector3f(max.GetX(), max.GetY(), min.GetZ()); }
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float GetWidth() const { return max.GetX() - min.GetX(); }
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float GetHeight() const { return max.GetY() - min.GetY(); }
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float GetDepth() const { return max.GetZ() - min.GetZ(); }
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static const CAABox& Identity() { return mskNullBox; }
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static const CAABox& MakeMaxInvertedBox() { return mskInvertedBox; }
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static const CAABox& MakeNullBox() { return mskNullBox; }
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static float DistanceBetween(const CAABox& a, const CAABox& b);
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private:
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CVector3f min;
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CVector3f max;
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static CAABox mskInvertedBox;
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static CAABox mskNullBox;
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};
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CHECK_SIZEOF(CAABox, 0x18)
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#endif // _CAABOX
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