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Added two axis aligned bounding box check functions

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This commit is contained in:
Arthur Ice 2014-12-01 15:25:37 -08:00
parent fb9d76f851
commit feac1728dc
2 changed files with 36 additions and 0 deletions
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32
zone/position.cpp
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@ -95,6 +95,10 @@ const xyz_location xyz_location::operator -(const xyz_location& rhs) const {
return xyz_location(m_X - rhs.m_X, m_Y - rhs.m_Y, m_Z - rhs.m_Z); return xyz_location(m_X - rhs.m_X, m_Y - rhs.m_Y, m_Z - rhs.m_Z);
} }
const xyz_location xyz_location::operator +(const xyz_location& rhs) const {
return xyz_location(m_X + rhs.m_X, m_Y + rhs.m_Y, m_Z + rhs.m_Z);
}
void xyz_location::ABS_XYZ(void) { void xyz_location::ABS_XYZ(void) {
m_X = abs(m_X); m_X = abs(m_X);
m_Y = abs(m_Y); m_Y = abs(m_Y);
@ -113,3 +117,31 @@ std::string to_string(const xy_location &position){
return StringFormat("(%.3f, %.3f)", position.m_X,position.m_Y); return StringFormat("(%.3f, %.3f)", position.m_X,position.m_Y);
} }
/**
* Determines if 'position' is within (inclusive) the axis aligned
* box (3 dimensional) formed from the points minimum and maximum.
*/
bool IsWithinAxisAlignedBox(const xyz_location &position, const xyz_location &minimum, const xyz_location &maximum) {
auto actualMinimum = xyz_location(std::min(minimum.m_X, maximum.m_X), std::min(minimum.m_Y, maximum.m_Y),std::min(minimum.m_Z, maximum.m_Z));
auto actualMaximum = xyz_location(std::max(minimum.m_X, maximum.m_X), std::max(minimum.m_Y, maximum.m_Y),std::max(minimum.m_Z, maximum.m_Z));
bool xcheck = position.m_X >= actualMinimum.m_X && position.m_X <= actualMaximum.m_X;
bool ycheck = position.m_Y >= actualMinimum.m_Y && position.m_Y <= actualMaximum.m_Y;
bool zcheck = position.m_Z >= actualMinimum.m_Z && position.m_Z <= actualMaximum.m_Z;
return xcheck && ycheck && zcheck;
}
/**
* Determines if 'position' is within (inclusive) the axis aligned
* box (2 dimensional) formed from the points minimum and maximum.
*/
bool IsWithinAxisAlignedBox(const xy_location &position, const xy_location &minimum, const xy_location &maximum) {
auto actualMinimum = xy_location(std::min(minimum.m_X, maximum.m_X), std::min(minimum.m_Y, maximum.m_Y));
auto actualMaximum = xy_location(std::max(minimum.m_X, maximum.m_X), std::max(minimum.m_Y, maximum.m_Y));
bool xcheck = position.m_X >= actualMinimum.m_X && position.m_X <= actualMaximum.m_X;
bool ycheck = position.m_Y >= actualMinimum.m_Y && position.m_Y <= actualMaximum.m_Y;
return xcheck && ycheck;
}

4
zone/position.h
View File

@ -44,6 +44,7 @@ public:
operator xy_location() const; operator xy_location() const;
const xyz_location operator -(const xyz_location& rhs) const; const xyz_location operator -(const xyz_location& rhs) const;
const xyz_location operator +(const xyz_location& rhs) const;
void ABS_XYZ(); void ABS_XYZ();
bool isOrigin() const { return m_X == 0 && m_Y == 0 && m_Z == 0;} bool isOrigin() const { return m_X == 0 && m_Y == 0 && m_Z == 0;}
@ -82,4 +83,7 @@ std::string to_string(const xyz_heading &position);
std::string to_string(const xyz_location &position); std::string to_string(const xyz_location &position);
std::string to_string(const xy_location &position); std::string to_string(const xy_location &position);
bool IsWithinAxisAlignedBox(const xyz_location &position, const xyz_location &minimum, const xyz_location &maximum);
bool IsWithinAxisAlignedBox(const xy_location &position, const xy_location &minimum, const xy_location &maximum);
#endif #endif