public override void solve()
{
Vector3 shoulderToWrist = hand.getEndPointWorld() - upper.transform.position;
float shoulderToWrist_len = shoulderToWrist.magnitude;
float ellbowAngle = The5.Math.Trigonometry.angleOppositeC(upper.length, lower.length, shoulderToWrist_len);
}
public float getDistanceToBone()
{
return((this.transform.position - bone.getEndPointWorld()).magnitude);
}