pub fn vec2_to_vec4<T: Number>(v: &TVec2<T>) -> TVec4<T>
Creates a 4D vector from another vector.
Missing components, if any, are set to 0.
vec1_to_vec4()
vec3_to_vec4()
vec4_to_vec4()
vec2_to_vec1()
vec2_to_vec2()
vec2_to_vec3()