Prime_Studios_Engine/Vector2D.cpp at master · HawkSP/Prime_Studios_Engine · GitHub

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#include "Vector2D.h"

double Vector2D::Length() const
{
	return sqrtf((float)x*(float)x + (float)y*(float)y);
}
double Vector2D::Distance(const Vector2D& vec) const
{
	return sqrtf(((float)vec.x - (float)x)*((float)vec.x - (float)x) + ((float)vec.y - (float)y)*((float)vec.y - (float)y));
}
Vector2D& Vector2D::Normalize()
{
	double xxyy = x*x + y*y;
	double invLength = 1.0 / sqrtf((float)xxyy);
	x *= invLength;
	y *= invLength;
	return *this;
}
double Vector2D::Dot(const Vector2D& rhs) const
{
	return (x*rhs.x + y*rhs.y);
}
Vector2D Vector2D::operator-() const
{
	return Vector2D(-x, -y);
}

Vector2D Vector2D::operator+(const Vector2D& rhs) const
{
	return Vector2D(x + rhs.x, y + rhs.y);
}
Vector2D Vector2D::operator-(const Vector2D& rhs) const
{
	return Vector2D(x - rhs.x, y - rhs.y);
}
Vector2D& Vector2D::operator+=(const Vector2D& rhs)
{
	x += rhs.x; y += rhs.y; return *this;
}
Vector2D& Vector2D::operator-=(const Vector2D& rhs)
{
	x -= rhs.x; y -= rhs.y; return *this;
}

Vector2D Vector2D::operator*(const double a) const
{
	return Vector2D(x*a, y*a);
}
Vector2D Vector2D::operator*(const Vector2D& rhs) const
{
	return Vector2D(x*rhs.x, y*rhs.y);
}
Vector2D& Vector2D::operator*=(const double a)
{
	x *= a; y *= a; return *this;
}
Vector2D& Vector2D::operator*=(const Vector2D& rhs)
{
	x *= rhs.x; y *= rhs.y; return *this;
}
Vector2D Vector2D::operator/(const double a) const
{
	return Vector2D(x / a, y / a);
}
Vector2D& Vector2D::operator/=(const double a)
{
	x /= a; y /= a; return *this;
}

bool Vector2D::operator==(const Vector2D& rhs) const
{
	return (x == rhs.x) && (y == rhs.y);
}
bool Vector2D::operator!=(const Vector2D& rhs) const
{
	return (x != rhs.x) || (y != rhs.y);
}

bool Vector2D::operator<(const Vector2D& rhs) const
{
	if (x < rhs.x) return true;
	if (x > rhs.x) return false;
	if (y < rhs.y) return true;
	if (y > rhs.y) return false;
	return false;
}