General Purpose library for Freestanding C++ and POSIX systems
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#pragma once
#include "gp_config.hpp"
#include "gp/math/integer_math.hpp"
#include "gp/math/q_math.hpp"
#if !defined(NO_FP_MATH)
# include "gp/math/fp_math.hpp"
#endif
namespace gp {
template<typename T = gp_config::rendering::default_type>
struct vec2_g {
T x;
T y;
vec2_g(
T _x,
T _y
)
: x{_x}
, y{_y}
{}
vec2_g operator/(vec2_g rhs) {
return {
x / rhs.x,
y / rhs.y
};
}
vec2_g operator+(vec2_g oth) {
return {x+oth.x, y+oth.y};
}
vec2_g normalize() {
T ilen = fast_isqrt(x*x+y*y);
return {x*ilen, y*ilen};
}
};
template<typename T = gp_config::rendering::default_type>
struct vec3_g {
T x;
T y;
T z;
vec3_g(
T _x,
T _y,
T _z
)
: x{_x}
, y{_y}
, z{_z}
{}
vec3_g(vec2_g<T> left, T right)
: x{left.x}
, y{left.y}
, z{right}
{}
vec3_g(T left, vec2_g<T> right)
: x{left}
, y{right.x}
, z{right.y}
{}
vec3_g operator/(vec3_g rhs) {
return {
x / rhs.x,
y / rhs.y,
z / rhs.z
};
}
vec3_g operator+(vec3_g oth) {
return {x+oth.x, y+oth.y, z+oth.z};
}
vec3_g normalize() {
T ilen = fast_isqrt(x*x+y*y+z*z);
return {x*ilen, y*ilen, z*ilen};
}
};
template<typename T = gp_config::rendering::default_type>
struct vec4_g {
T x;
T y;
T z;
T w;
vec4_g(
T _x,
T _y,
T _z,
T _w
)
: x{_x}
, y{_y}
, z{_z}
, w{_w}
{}
vec4_g(T left, vec3_g<> right)
: x{left}
, y{right.x}
, z{right.y}
, w{right.z}
{}
vec4_g(vec3_g<> left, T right)
: x{left.x}
, y{left.y}
, z{left.z}
, w{right}
{}
vec4_g operator/(vec4_g rhs) {
return {
x / rhs.x,
y / rhs.y,
z / rhs.z,
w / rhs.w
};
}
vec4_g operator+(vec4_g oth) {
return {x+oth.x, y+oth.y, z+oth.z, w+oth.w};
}
vec4_g normalize() {
T ilen = fast_isqrt(x*x+y*y+z*z+w*w);
return {x*ilen, y*ilen, z*ilen, w*ilen};
}
};
template<typename T>
vec2_g<T> operator*(vec2_g<T> p, T v) {
return {p.x*v, p.y*v};
}
template<typename T>
vec3_g<T> operator*(vec3_g<T> p, T v) {
return {p.x*v, p.y*v, p.z*v};
}
template<typename T>
vec4_g<T> operator*(vec4_g<T> p, T v) {
return {p.x*v, p.y*v, p.z*v, p.w*v};
}
template<typename T>
vec2_g<T> operator*(T v, vec2_g<T> p) {
return p*v;
}
template<typename T>
vec3_g<T> operator*(T v, vec3_g<T> p) {
return p*v;
}
template<typename T>
vec4_g<T> operator*(T v, vec4_g<T> p) {
return p*v;
}
}