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#pragma once
#include <cmath>
#include <format>
#include "../macros.hpp"
class Vector2D {
public:
Vector2D(double, double);
Vector2D();
~Vector2D();
double x = 0;
double y = 0;
// returns the scale
double normalize();
Vector2D operator+(const Vector2D& a) const {
return Vector2D(this->x + a.x, this->y + a.y);
}
Vector2D operator-(const Vector2D& a) const {
return Vector2D(this->x - a.x, this->y - a.y);
}
Vector2D operator-() const {
return Vector2D(-this->x, -this->y);
}
Vector2D operator*(const double& a) const {
return Vector2D(this->x * a, this->y * a);
}
Vector2D operator/(const double& a) const {
return Vector2D(this->x / a, this->y / a);
}
bool operator==(const Vector2D& a) const {
return a.x == x && a.y == y;
}
bool operator!=(const Vector2D& a) const {
return a.x != x || a.y != y;
}
Vector2D operator*(const Vector2D& a) const {
return Vector2D(this->x * a.x, this->y * a.y);
}
Vector2D operator/(const Vector2D& a) const {
return Vector2D(this->x / a.x, this->y / a.y);
}
bool operator>(const Vector2D& a) const {
return this->x > a.x && this->y > a.y;
}
bool operator<(const Vector2D& a) const {
return this->x < a.x && this->y < a.y;
}
Vector2D& operator+=(const Vector2D& a) {
this->x += a.x;
this->y += a.y;
return *this;
}
Vector2D& operator-=(const Vector2D& a) {
this->x -= a.x;
this->y -= a.y;
return *this;
}
Vector2D& operator*=(const Vector2D& a) {
this->x *= a.x;
this->y *= a.y;
return *this;
}
Vector2D& operator/=(const Vector2D& a) {
this->x /= a.x;
this->y /= a.y;
return *this;
}
Vector2D& operator*=(const double& a) {
this->x *= a;
this->y *= a;
return *this;
}
Vector2D& operator/=(const double& a) {
this->x /= a;
this->y /= a;
return *this;
}
double distance(const Vector2D& other) const;
double size() const;
Vector2D clamp(const Vector2D& min, const Vector2D& max = Vector2D()) const;
Vector2D floor() const;
Vector2D round() const;
bool inTriangle(const Vector2D& p1, const Vector2D& p2, const Vector2D& p3) const;
};
/**
format specification
- 'j', as json array
- 'X', same as std::format("{}x{}", vec.x, vec.y)
- number, floating point precision, use `0` to format as integer
*/
template <typename CharT>
struct std::formatter<Vector2D, CharT> : std::formatter<CharT> {
bool formatJson = false;
bool formatX = false;
std::string precision = "";
FORMAT_PARSE(FORMAT_FLAG('j', formatJson) //
FORMAT_FLAG('X', formatX) //
FORMAT_NUMBER(precision),
Vector2D)
template <typename FormatContext>
auto format(const Vector2D& vec, FormatContext& ctx) const {
std::string formatString = precision.empty() ? "{}" : std::format("{{:.{}f}}", precision);
if (formatJson)
formatString = std::format("[{0}, {0}]", formatString);
else if (formatX)
formatString = std::format("{0}x{0}", formatString);
else
formatString = std::format("[Vector2D: x: {0}, y: {0}]", formatString);
try {
string buf = std::vformat(formatString, std::make_format_args(vec.x, vec.y));
return std::format_to(ctx.out(), "{}", buf);
} catch (std::format_error& e) { return std::format_to(ctx.out(), "[{}, {}]", vec.x, vec.y); }
}
};
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