Flame(Flutter game) Angle of a Vector, Anchor(logical center)

v1.angleToSigned(v2) angleA = v1.angleToSigned(v2) v2 ^ / / / angleA ---->v1 How do I rotate at a certain speed? We use the dt -delta time, in the update method. angleDelta = dt * rotationSpeed; angle = (angle + angleDelta) % (2 * pi);