mirror of https://github.com/AxioDL/zeus.git
93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
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#ifndef BOUNDINGBOX_HPP
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#define BOUNDINGBOX_HPP
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#include <MathLib.hpp>
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#include <Athena/IStreamReader.hpp>
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struct SBoundingBox
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{
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CVector3f m_min;
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CVector3f m_max;
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inline SBoundingBox() {}
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SBoundingBox(const CVector3f& min, const CVector3f& max)
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: m_min(min),
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m_max(max)
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{
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}
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SBoundingBox(const float& minX,const float& minY,const float& minZ,
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const float& maxX,const float& maxY,const float& maxZ)
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: m_min(minX, minY, minZ),
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m_max(maxX, maxY, maxZ)
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{
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}
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inline void readBoundingBox(Athena::io::IStreamReader& in)
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{
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m_min[0] = in.readFloat();
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m_min[1] = in.readFloat();
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m_min[2] = in.readFloat();
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m_max[0] = in.readFloat();
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m_max[1] = in.readFloat();
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m_max[2] = in.readFloat();
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}
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SBoundingBox(Athena::io::IStreamReader& in) {readBoundingBox(in);}
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inline bool intersects(SBoundingBox& other) const
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{
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if (m_max[0] < other.m_min[0]) return false;
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if (m_min[0] > other.m_max[0]) return false;
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if (m_max[1] < other.m_min[1]) return false;
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if (m_min[1] > other.m_max[1]) return false;
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if (m_max[2] < other.m_min[2]) return false;
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if (m_min[2] > other.m_max[2]) return false;
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return true;
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}
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inline void splitX(SBoundingBox& posX, SBoundingBox& negX) const
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{
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float midX = (m_max.x - m_min.x) / 2.0 + m_min.x;
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posX.m_max = m_max;
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posX.m_min = m_min;
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posX.m_min.x = midX;
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negX.m_max = m_max;
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negX.m_max.x = midX;
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negX.m_min = m_min;
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}
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inline void splitY(SBoundingBox& posY, SBoundingBox& negY) const
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{
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float midY = (m_max.y - m_min.y) / 2.0 + m_min.y;
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posY.m_max = m_max;
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posY.m_min = m_min;
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posY.m_min.y = midY;
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negY.m_max = m_max;
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negY.m_max.y = midY;
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negY.m_min = m_min;
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}
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inline void splitZ(SBoundingBox& posZ, SBoundingBox& negZ) const
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{
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float midZ = (m_max.z - m_min.z) / 2.0 + m_min.z;
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posZ.m_max = m_max;
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posZ.m_min = m_min;
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posZ.m_min.z = midZ;
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negZ.m_max = m_max;
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negZ.m_max.z = midZ;
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negZ.m_min = m_min;
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}
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};
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inline bool operator ==(const SBoundingBox& left, const SBoundingBox& right)
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{
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return (left.m_min == right.m_min && left.m_max == right.m_max);
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}
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inline bool operator !=(const SBoundingBox& left, const SBoundingBox& right)
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{
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return (left.m_min != right.m_min || left.m_max != right.m_max);
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}
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#endif // BOUNDINGBOX_HPP
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