public static scalar length(this vec2 v) => v.Length;
public static vec2 normalize(vec2 v)
{
float sqr = v.x * v.x + v.y * v.y;
return(v * (1.0f / (float)Math.Sqrt(sqr)));
}
public vec2(vec2 v)
{
this.x = v.x;
this.y = v.y;
}
public static float dot(vec2 x, vec2 y)
{
vec2 tmp = new vec2(x * y);
return(tmp.x + tmp.y);
}
public vec3(vec2 xy, float z)
{
this.x = xy.x;
this.y = xy.y;
this.z = z;
}