Method Evaluate

GTE/Samples/Physics/BallRubberBand/PhysicsModule.cpp:24–31

}

void PhysicsModule::Evaluate()
{
    float angle = mFrequency * mTime;
    float sn = std::sin(angle);
    float cs = std::cos(angle);
    mPosition = cs * mInitialPosition + sn * mVelDivFreq;
    mVelocity = (mVelDivFreq * cs - mInitialPosition * sn) * mFrequency;
}

void PhysicsModule::Initialize(float time, float deltaTime,
    Vector2<float> const& initialPosition, Vector2<float> const& initialVelocity)