Vec2.cpp

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#include "ART/Vec2.h"
 
namespace art
{
    Vec2::Vec2() : x(0.0), y(0.0) {}
 
    double Vec2::magnitude() const
    {
        return std::sqrt(pow(x, 2) + pow(y, 2));
    }
 
    double Vec2::direction() const
    {
        double angle = 0;
        angle = atan2(x, y);
        return angle;
    }
 
    Vec2 Vec2::normalize() const
    {
        double scale = 1.f / magnitude();
        Vec2 out = *this * scale;
        return out;
    }
 
    double Vec2::distTo(Vec2 target) const
    {
        Vec2 dist = target - *this;
        return dist.magnitude();
    }
 
    double Vec2::angleTo(Vec2 target) const
    {
        Vec2 dist = target - *this;
        return dist.direction();
    }
 
    Vec2 Vec2::operator+(Vec2 const& obj) const
    {
        Vec2 output = XandY(this->x + obj.x, this->y + obj.y);
        return output;
    }
 
    Vec2 Vec2::operator-(Vec2 const& obj) const
    {
        Vec2 output = XandY(this->x - obj.x, this->y - obj.y);
        return output;
    }
 
    Vec2 Vec2::operator*(double const& scale) const
    {
        Vec2 output = XandY(this->x * scale, this->y * scale);
        return output;
    }
 
    double Vec2::operator*(Vec2 const& other) const
    {
        return  x*other.x + y*other.y ;
    }
 
    Vec2& Vec2::operator+=(Vec2 const& obj)
    {
        this->x += obj.x;
        this->y += obj.y;
        return *this;
    }
 
    Vec2& Vec2::operator-=(Vec2 const& obj)
    {
        this->x -= obj.x;
        this->y -= obj.y;
        return *this;
    }
 
    Vec2& Vec2::operator*=(double const& scale)
    {
        this->x *= scale;
        this->y *= scale;
        return *this;
    }
 
    Vec2 Vec2::XandY(double x, double y)
    {
        Vec2 output;
        output.x = x;
        output.y = y;
        return output;
    }
 
    Vec2 Vec2::dirAndMag(double dir, double mag)
    {
        Vec2 output;
        output.x = mag * sin(dir);
        output.y = mag * cos(dir);
        return output;
    }
} // namespace art