public static csgjs_vector negate(csgjs_vector a)
{
return(a * -1.0f);
}
public static float dot(csgjs_vector a, csgjs_vector b)
{
return(a.x * b.x + a.y * b.y + a.z * b.z);
}
public static csgjs_vector lerp(csgjs_vector a, csgjs_vector b, float v)
{
return(a + (b - a) * v);
}
public csgjs_vertex(Point3d pnt)
{
pos = new csgjs_vector((float)pnt.x,(float)pnt.y,(float)pnt.z);
normal = new csgjs_vector();
uv = new csgjs_vector();
}
public void flip()
{
normal = csgjs_vector.negate(normal);
w *= -1.0f;
}
public static csgjs_vector cross(csgjs_vector a, csgjs_vector b)
{
return(new csgjs_vector(a.y * b.z - a.z * b.y, a.z * b.x - a.x * b.z, a.x * b.y - a.y * b.x));
}
public csgjs_plane(csgjs_vector a, csgjs_vector b, csgjs_vector c)
{
normal = csgjs_vector.unit(csgjs_vector.cross(b - a, c - a));
w = csgjs_vector.dot(normal, a);
}
public static csgjs_vector cross( csgjs_vector a, csgjs_vector b)
{
return new csgjs_vector(a.y * b.z - a.z * b.y, a.z * b.x - a.x * b.z, a.x * b.y - a.y * b.x);
}
public csgjs_vertex()
{
pos = new csgjs_vector();
normal = new csgjs_vector();
uv = new csgjs_vector();
}
public static float length( csgjs_vector a)
{
return (float)Math.Sqrt(dot(a, a));
}
public static csgjs_vector unit( csgjs_vector a)
{
return a / length(a);
}
public static csgjs_vector negate( csgjs_vector a)
{
return a * -1.0f;
}
public static csgjs_vector lerp( csgjs_vector a, csgjs_vector b, float v)
{
return a + (b - a) * v;
}
public static float dot( csgjs_vector a, csgjs_vector b)
{
return a.x * b.x + a.y * b.y + a.z * b.z;
}
public static float length(csgjs_vector a)
{
return((float)Math.Sqrt(dot(a, a)));
}
public csgjs_vertex(Point3d pnt)
{
pos = new csgjs_vector((float)pnt.x, (float)pnt.y, (float)pnt.z);
normal = new csgjs_vector();
uv = new csgjs_vector();
}
public static csgjs_vector unit(csgjs_vector a)
{
return(a / length(a));
}
public csgjs_plane()
{
normal = new csgjs_vector();
w = 0.0f;
}
public csgjs_plane()
{
normal = new csgjs_vector();
w = 0.0f;
}
public csgjs_plane( csgjs_vector a, csgjs_vector b, csgjs_vector c)
{
normal = csgjs_vector.unit(csgjs_vector.cross(b - a, c - a));
w = csgjs_vector.dot(normal, a);
}
public void flip()
{
normal = csgjs_vector.negate(normal);
w *= -1.0f;
}
public csgjs_vertex()
{
pos = new csgjs_vector();
normal = new csgjs_vector();
uv = new csgjs_vector();
}
