mirror of https://github.com/AxioDL/zeus.git
109 lines
2.0 KiB
C++
109 lines
2.0 KiB
C++
#include "CVector3d.hpp"
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#include <memory.h>
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#include <cmath>
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CVector3d::CVector3d()
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{
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memset(&v, 0, sizeof(v));
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}
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CVector3d::CVector3d(double x, double y, double z)
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: x(x),
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y(y),
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z(z)
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{
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}
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CVector3d::CVector3d(Athena::io::IStreamReader& input)
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{
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x = input.readDouble();
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y = input.readDouble();
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z = input.readDouble();
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}
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CVector3d::~CVector3d()
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{
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}
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bool CVector3d::operator ==(const CVector3d& rhs)
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{
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return (x == rhs.x && y == rhs.y && z == rhs.z);
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}
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CVector3d CVector3d::operator+(const CVector3d& rhs)
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{
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return CVector3d(x + rhs.x, y + rhs.y, z + rhs.z);
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}
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CVector3d CVector3d::operator-(const CVector3d& rhs)
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{
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return CVector3d(x - rhs.x, y - rhs.y, z - rhs.z);
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}
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CVector3d CVector3d::operator-() const
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{
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return CVector3d(-x, -y, -z);
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}
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CVector3d CVector3d::operator*(const CVector3d& rhs)
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{
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return CVector3d(x * rhs.x, y * rhs.y, z * rhs.z);
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}
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CVector3d CVector3d::operator/(const CVector3d& rhs)
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{
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return CVector3d(x / rhs.x, y / rhs.y, z / rhs.z);
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}
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CVector3d CVector3d::operator+(double val)
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{
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return CVector3d(x + val, y + val, z + val);
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}
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CVector3d CVector3d::operator-(double val)
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{
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return CVector3d(x - val, y - val, z - val);
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}
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CVector3d CVector3d::operator*(double val)
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{
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return CVector3d(x * val, y * val, z * val);
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}
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CVector3d CVector3d::operator/(double val)
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{
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return CVector3d(x / val, y / val, z / val);
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}
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CVector3d CVector3d::normalized()
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{
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CVector3d ret;
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double mag = magnitude();
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ret.x = x/mag;
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ret.y = y/mag;
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ret.z = z/mag;
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return ret;
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}
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CVector3d CVector3d::cross(const CVector3d& rhs) const
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{
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return CVector3d(y * rhs.z - z * rhs.y, z * rhs.x - x * rhs.z, x * rhs.y - y * rhs.x);
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}
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double CVector3d::dot(const CVector3d& rhs) const
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{
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return (x * rhs.x) + (y * rhs.y) + (z * rhs.z);
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}
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double CVector3d::magnitude() const
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{
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return sqrt(x*x + y*y + z*z);
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}
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CVector3f CVector3d::asVector3f()
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{
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return CVector3f((float)x, (float)y, (float)z);
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}
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