78 lines
1.1 KiB
C++
78 lines
1.1 KiB
C++
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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
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#include "Vector3d.h"
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#include "Vector3f.h"
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const double Vector3d::EPS = 0.000001; ///< The max difference between two coords for which the coords are assumed equal
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const double Vector3d::NO_INTERSECTION = 1e70; ///< Return value of LineCoeffToPlane() if the line is parallel to the plane
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Vector3d::Vector3d(const Vector3f & v) :
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x(v.x),
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y(v.y),
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z(v.z)
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{
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}
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Vector3d::Vector3d(const Vector3f * v) :
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x(v->x),
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y(v->y),
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z(v->z)
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{
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}
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double Vector3d::LineCoeffToXYPlane(const Vector3d & a_OtherEnd, double a_Z) const
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{
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if (abs(z - a_OtherEnd.z) < EPS)
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{
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return NO_INTERSECTION;
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}
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return (a_Z - z) / (a_OtherEnd.z - z);
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}
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double Vector3d::LineCoeffToXZPlane(const Vector3d & a_OtherEnd, double a_Y) const
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{
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if (abs(y - a_OtherEnd.y) < EPS)
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{
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return NO_INTERSECTION;
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}
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return (a_Y - y) / (a_OtherEnd.y - y);
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}
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double Vector3d::LineCoeffToYZPlane(const Vector3d & a_OtherEnd, double a_X) const
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{
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if (abs(x - a_OtherEnd.x) < EPS)
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{
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return NO_INTERSECTION;
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}
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return (a_X - x) / (a_OtherEnd.x - x);
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}
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