void kore::Camera::rotateViewQuat(const float angle, const glm::vec3 v3Axis) {
glm::vec3 v3View = getForward();
glm::vec3 v3Up(0.0f, 1.0f, 0.0f);
glm::quat quatView(0, v3View);
glm::quat quatViewResult = glm::rotate(quatView, angle, v3Axis);
v3View.x = quatViewResult.x;
v3View.y = quatViewResult.y;
v3View.z = quatViewResult.z;
v3View = glm::normalize(v3View);
glm::vec3 v3Side = glm::cross(v3Up, v3View);
v3Side = glm::normalize(v3Side);
v3Up = glm::cross(v3View, v3Side);
v3Up = glm::normalize(v3Up);
setOrientation(v3Side, v3Up, v3View);
}
void Engine::Controller::CIControllerLookAtRotation::Update(Engine::CActor& i_CActor)
{
if (!i_CActor.GetHasData("Status") || strcmp(i_CActor.GetDataMember("Status"), "Disabled") == 0)
{
return;
}
if (!i_CActor.GetHasData("LookAtStatus") || strcmp(i_CActor.GetDataMember("LookAtStatus"), "Disabled") == 0)
{
return;
}
if (i_CActor.GetHasData("ActorNameToFollow"))
{
const char* kcpActorNameToFollow = i_CActor.GetDataMember("ActorNameToFollow");
Engine::CActor* pcActorToFollow = m_pcWorld->GetActorByName(kcpActorNameToFollow);
if (pcActorToFollow == nullptr)
{
return;
}
//Get Location
float fLocationX = 0.0f;
if (i_CActor.GetHasMetric("LocationX"))
{
fLocationX = i_CActor.GetMetricMember("LocationX");
}
float fLocationY = 0.0f;
if (i_CActor.GetHasMetric("LocationY"))
{
fLocationY = i_CActor.GetMetricMember("LocationY");
}
float fLocationZ = 0.0f;
if (i_CActor.GetHasMetric("LocationZ"))
{
fLocationZ = i_CActor.GetMetricMember("LocationZ");
}
//Get Target Location
float fLookAtX = 0.0f;
if (i_CActor.GetHasMetric("LocationX"))
{
fLookAtX = pcActorToFollow->GetMetricMember("LocationX");
}
float fLookAtY = 0.0f;
if (i_CActor.GetHasMetric("LocationY"))
{
fLookAtY = pcActorToFollow->GetMetricMember("LocationY");
}
float fLookAtZ = 0.0f;
if (i_CActor.GetHasMetric("LocationZ"))
{
fLookAtZ = pcActorToFollow->GetMetricMember("LocationZ");
}
Shared::Math::CVector3 v3LookAtTarget(fLookAtX, fLookAtY, fLookAtZ);
Shared::Math::CVector3 v3Position(fLocationX, fLocationY, fLocationZ);
Shared::Math::CVector3 v3Up(0.0f, 1.0f, 0.0f);
Shared::Math::CVector3 v3ZAxis = (v3LookAtTarget - v3Position).GetUnitVector();
Shared::Math::CVector3 v3XAxis = (v3Up.GetOuterProduct(v3ZAxis)).GetUnitVector();
Shared::Math::CVector3 v3YAxis = v3ZAxis.GetOuterProduct(v3XAxis);
float fRotationX = 0.0f;
float fRotationY = 0.0f;
float fRotationZ = 0.0f;
if (v3ZAxis.GetY() < 1.0f)
{
if (v3ZAxis.GetY() > -1.0f)
{
fRotationX = asinf(-v3ZAxis.GetY()) * 180.0f / static_cast<float>(M_PI);
fRotationY = atan2(v3ZAxis.GetX(), v3ZAxis.GetZ()) * 180.0f / static_cast<float>(M_PI);
fRotationZ = atan2(v3XAxis.GetY(), v3YAxis.GetY()) * 180.0f / static_cast<float>(M_PI);
}
else
{
fRotationX = static_cast<float>(M_PI) * 0.5f;
fRotationY = atan2(-v3YAxis.GetX(), v3XAxis.GetX()) * 180.0f / static_cast<float>(M_PI);
fRotationZ = 0.0f;
}
}
else
{
fRotationX = static_cast<float>(M_PI) * -0.5f;
fRotationY = atan2(-v3YAxis.GetX(), v3XAxis.GetX()) * 180.0f / static_cast<float>(M_PI);
fRotationZ = 0.0f;
}
if (i_CActor.GetHasMetric("RotationX"))
{
i_CActor.SetMetricMember("RotationX", fRotationX);
}
if (i_CActor.GetHasMetric("RotationY"))
{
i_CActor.SetMetricMember("RotationY", fRotationY);
}
if (i_CActor.GetHasMetric("RotationZ"))
{
i_CActor.SetMetricMember("RotationZ", fRotationZ);
}
}
}
