/*
* Check if the given note can be played.
* The pick can't be playing and it needs to be able to perform the preparation animation
* unless it is already at the correct string.
*/
bool APick::CanPlayNote(int32 tick, int32 stringIndex)
{
return !IsPlaying(tick) &&
((IsResting(tick) && CanAnimateFromRest(tick, stringIndex)) ||
IsOnCorrectString(tick, stringIndex) ||
CanAnimateFromString(tick, stringIndex));
}
void RigidBody2::Update()
{
float dt = TheRBManager::Instance()->GetDt();
Vec2f acc = m_forces * m_invMass;
m_forces = Vec2f();
const Vec2f GRAVITY(0, -100.0f); // TODO TEMP TEST
if (m_invMass > 0)
{
if (!IsResting())
{
acc += GRAVITY;
}
#ifdef USE_VERLET
float t2 = dt * dt;
Vec2f diff = m_pos - m_oldPos + acc * t2;
m_oldPos = m_pos;
m_pos += diff;
#else
Vec2f oldVel = m_vel;
m_vel += acc * dt;
m_pos += (oldVel + m_vel) * (0.5f * dt);
#endif
}
/*
if (fabs(m_torques) < 0.1f) // TODO
{
// Ignore small torques
m_torques = 0;
}
*/
// TODO Separate moment of inertia
float angAcc = m_torques * m_invMass;
m_torques = 0;
m_angVel += angAcc; // don;t depend on dt : this is a one-off occurrence when a torque is applied
// Damp rotation - TODO use dt
// m_angVel *= 0.99f;
m_rads += m_angVel * dt;
}
