74 lines
1.4 KiB
C++
74 lines
1.4 KiB
C++
#define VECTOR3_INLINE_CPP
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#ifdef VECTOR3_H
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# define METHSPEC inline
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#else
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# include "Vector3.h"
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# define METHSPEC
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#endif
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#include <cmath>
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METHSPEC Vector3::Vector3(double x, double y, double z):
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x(x), y(y), z(z)
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{
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}
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METHSPEC Vector3 Vector3::add(double x, double y, double z) const
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{
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return Vector3(this->x + x, this->y + y, this->z + z);
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}
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METHSPEC Vector3 Vector3::add(const Vector3 &other) const
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{
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return Vector3(x + other.x, y + other.y, z + other.z);
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}
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METHSPEC Vector3 Vector3::sub(const Vector3 &other) const
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{
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return Vector3(x - other.x, y - other.y, z - other.z);
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}
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METHSPEC Vector3 Vector3::inverse() const
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{
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return Vector3(-x, -y, -z);
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}
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METHSPEC Vector3 Vector3::scale(double scaling) const
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{
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return Vector3(x * scaling, y * scaling, z * scaling);
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}
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METHSPEC double Vector3::getNorm() 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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METHSPEC Vector3 Vector3::normalize() const
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{
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double norm = sqrt(x * x + y * y + z * z);
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if (norm == 0.0)
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{
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return VECTOR_ZERO;
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}
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else
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{
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norm = 1.0 / norm;
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return Vector3(x * norm, y * norm, z * norm);
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}
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}
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METHSPEC double Vector3:: dotProduct(const Vector3 &other) const
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{
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return x * other.x + y * other.y + z * other.z;
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}
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METHSPEC Vector3 Vector3::crossProduct(const Vector3 &other) const
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{
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return Vector3(
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y * other.z - z * other.y,
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z * other.x - x * other.z,
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x * other.y - y * other.x
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);
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}
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