float AbstractPlaneBehavoiur::angleToPlayer()
{
return vectorToPlayer().getAngle();
}
Vec2 AbstractPlaneBehavoiur::directionToPlayer()
{
return vectorToPlayer().getNormalized();
}
float AbstractPlaneBehavoiur::distanceToPlayer()
{
return vectorToPlayer().getLength();
}
void ZombieInstance::Update(const RenderParameters& renderParameters)
{
ZombieStates targetState;
auto emitterPosition = m_Parameters.position;
emitterPosition.y += 1.6f;
m_AudioEmitter.SetPosition(m_Parameters.position, DirectX::XMFLOAT3(0.0f, 0.0f, 0.0f));
float distanceToPlayerSqr;
if (!m_IsDead)
{
auto playerPosition = m_TargetPlayer.GetPosition();
auto angleY = -atan2(m_Parameters.position.z - playerPosition.z, m_Parameters.position.x - playerPosition.x) - DirectX::XM_PI / 2.0f;
if (m_TargetPlayer.GetGameState() == GameState::Playing)
{
DirectX::XMFLOAT2 vectorToPlayer(playerPosition.x - m_Parameters.position.x, playerPosition.z - m_Parameters.position.z);
distanceToPlayerSqr = vectorToPlayer.x * vectorToPlayer.x + vectorToPlayer.y * vectorToPlayer.y;
if (distanceToPlayerSqr > 1.5f)
{
if (distanceToPlayerSqr > 100.0f * 100.0f)
{
m_IsDead = true;
System::GetInstance().RemoveModel(this);
return;
}
else
{
auto vectorMultiplier = m_Speed * renderParameters.frameTime / sqrt(distanceToPlayerSqr);
DirectX::XMFLOAT2 newPosition(m_Parameters.position.x + vectorMultiplier * vectorToPlayer.x,
m_Parameters.position.z + vectorMultiplier * vectorToPlayer.y);
if (CanMoveTo(newPosition, m_Zombies, this))
{
targetState = ZombieStates::Running;
m_Parameters.position.x = newPosition.x;
m_Parameters.position.z = newPosition.y;
}
else
{
targetState = ZombieStates::Idle;
}
}
}
else
{
targetState = ZombieStates::Hitting;
if (renderParameters.time - m_LastMadeNearPlayerSound >= kNearPlayerSoundInterval)
{
m_LastMadeNearPlayerSound = renderParameters.time;
m_NearPlayerSound.Play3D(m_AudioEmitter);
}
}
}
else
{
targetState = ZombieStates::Idle;
}
SetRotation(DirectX::XMFLOAT3(0.0f, angleY, 0.0f));
}
else
{
targetState = ZombieStates::Death;
if (renderParameters.time - m_DeathTime > kZombieBodyLastingTime)
{
System::GetInstance().RemoveModel(this);
}
}
Assert(targetState >= 0 && targetState < ZombieStates::StateCount);
m_AnimationStateMachine.Update(renderParameters, targetState);
if (m_AnimationStateMachine.GetCurrentAnimationState() == ZombieStates::Hitting &&
!m_AnimationStateMachine.IsTransitioningAnimationStates() &&
m_AnimationStateMachine.GetCurrentStateAnimationProgress() > 0.1f &&
m_AnimationStateMachine.GetCurrentStateAnimationProgress() < 0.2f &&
renderParameters.time - m_LastHitPlayerAt >= kZombieHitInterval)
{
m_LastHitPlayerAt = renderParameters.time;
m_TargetPlayer.TakeDamage(Tools::Random::GetNextReal<float>(0.03f, 0.1f));
m_PunchSound.Play3D(m_AudioEmitter);
}
else if (renderParameters.time - m_LastFootStep >= kFootStepInterval &&
m_AnimationStateMachine.GetCurrentAnimationState() == ZombieStates::Running &&
!m_AnimationStateMachine.IsTransitioningAnimationStates() &&
distanceToPlayerSqr < 100.0f)
{
m_LastFootStep = renderParameters.time;
m_FootStepSound.Play3D(m_AudioEmitter, 8.0f);
}
}
