vec2: vec2(const nml::vec4& _xyzw)

Construct a (_xyzw.x, _xyzw.y) vector.

\(\begin{bmatrix} \_xyzw.x \\ \_xyzw.y \end{bmatrix}\)

Example

#include "include/vec2.h"
#include "include/vec4.h"
#include <iostream>

int main() {
        nml::vec4 a(1.0f, 2.0f, 3.0f, 4.0f);
        nml::vec2 b(a);
        std::cout << nml::to_string(b) << std::endl;

        return 0;
}

Result:

[1.000000, 2.000000]