private MyVector GetAngularVelocityEnd(MyVector position, TorqueBall ball)
{
// The angular velocity is comming out of the z axis. I need to lay it down onto the XY plane.
if (ball.AngularVelocity.IsZero)
{
return GetVelocityEnd(ball);
}
MyVector retVal = ball.AngularVelocity.Clone();
retVal.RotateAroundAxis(new MyVector(1, 0, 0), Math.PI / 2d);
double rotateAngle = MyVector.GetAngleBetweenVectors(new MyVector(1, 0, 0), ball.Velocity);
if (MyVector.Dot(new MyVector(0, 1, 0), ball.Velocity) < 0)
{
rotateAngle *= -1;
}
retVal.RotateAroundAxis(new MyVector(0, 0, 1), rotateAngle);
retVal.Add(GetVelocityEnd(position, ball));
return retVal;
}
/// <summary>
/// The only reason you would pass in your own guid is when loading a previously saved scene (the token
/// works good for processing in ram, but when stuff needs to go to file, use the guid)
/// </summary>
public BallBlip(Ball ball, CollisionStyle collisionStyle, RadarBlipQual blipQual, long token, Guid objectID)
: base(ball, collisionStyle, blipQual, token, objectID)
{
_ball = ball;
_torqueBall = ball as TorqueBall; // if it's not, null will be stored
}
private MyVector GetAngularVelocityEnd(TorqueBall ball)
{
return GetAngularVelocityEnd(ball.Position, ball);
}
