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Vector2f.cpp
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110 lines (89 loc) · 1.67 KB
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#include "Vector2f.h"
#define _USE_MATH_DEFINES
#include <math.h>
Vector2f::Vector2f(void)
{
}
Vector2f::Vector2f(float x, float y)
{
m_x = x;
m_y = y;
}
Vector2f::~Vector2f(void)
{
}
void Vector2f::Set(float x, float y)
{
m_x = x;
m_y = y;
}
float Vector2f::GetX() const
{
return m_x;
}
float Vector2f::GetY() const
{
return m_y;
}
Vector2f Vector2f::add(const Vector2f &vec) const
{
return Vector2f(m_x + vec.GetX(), m_y + vec.GetY());
}
Vector2f Vector2f::subtract(const Vector2f &vec) const
{
return Vector2f(m_x - vec.GetX(), m_y - vec.GetY());
}
Vector2f Vector2f::mult(float n) const
{
return Vector2f(m_x*n, m_y*n);
}
Vector2f Vector2f::divide(float n) const
{
return Vector2f(m_x/n, m_y/n);
}
float Vector2f::dot(const Vector2f &vec) const
{
return m_x*vec.GetX() + m_y*vec.GetY();
}
float Vector2f::length() const
{
return sqrt(m_x*m_x + m_y*m_y);
}
float Vector2f::distance(const Vector2f &vec) const
{
return subtract(vec).length();
}
Vector2f Vector2f::normalise()
{
float len = length();
Set(m_x/len, m_y/len);
return *this;
}
Vector2f operator+ (const Vector2f &lhs, const Vector2f &rhs)
{
return lhs.add(rhs);
}
Vector2f operator- (const Vector2f &lhs, const Vector2f &rhs)
{
return lhs.subtract(rhs);
}
Vector2f operator* (const Vector2f &lhs, float n)
{
return lhs.mult(n);
}
Vector2f operator* (float n, const Vector2f &rhs)
{
return rhs.mult(n);
}
Vector2f operator/ (const Vector2f &lhs, float n)
{
return lhs.divide(n);
}
Vector2f operator-(const Vector2f& lhs)
{
return Vector2f(-lhs.GetX(),-lhs.GetY());
}
Vector2f operator* (const Vector2f& lhs, const Vector2f& Rhs)
{
return Vector2f(lhs.GetX() * Rhs.GetX(), lhs.GetY() * Rhs.GetY());
}