public Bone(double mass, Joint joint1, Joint joint2) : base(mass)
{
this.joint1 = joint1;
this.joint2 = joint2;
defLength = Math.Sqrt(Math.Pow(joint1.getPosition().X - joint2.getPosition().X, 2) + Math.Pow(joint1.getPosition().Y - joint2.getPosition().Y, 2));
length = defLength;
}
public void updateLength()
{
length = Math.Sqrt(Math.Pow(joint1.getPosition().X - joint2.getPosition().X, 2) + Math.Pow(joint1.getPosition().Y - joint2.getPosition().Y, 2));
}