public JCube(double length)
{
Vectors.Add(new JVector3(-length / 2, -length / 2, length / 2));
Vectors.Add(new JVector3(length / 2, -length / 2, length / 2));
Vectors.Add(new JVector3(length / 2, length / 2, length / 2));
Vectors.Add(new JVector3(-length / 2, length / 2, length / 2));
Vectors.Add(new JVector3(-length / 2, -length / 2, -length / 2));
Vectors.Add(new JVector3(length / 2, -length / 2, -length / 2));
Vectors.Add(new JVector3(length / 2, length / 2, -length / 2));
Vectors.Add(new JVector3(-length / 2, length / 2, -length / 2));
Position = new JVector3(0, 0, 0);
Quaternion = new JQuaternion3D(0, 0, 0, 0);
}
public static JVector3 Cross(JVector3 a, JVector3 b)
{
return(new JVector3(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 JVector3 Translate(JVector3 trans)
{
return(new JVector3(X + trans.X, Y + trans.Y, Z + trans.Z));
}
public static double Dot(JVector3 a, JVector3 b)
{
return(a.X * b.X + a.Y * b.Y + a.Z * b.Z);
}