GeoBounds
FlatProjection::Unproject(const FlatBoundingBox &bb) const
{
assert(IsValid());
return GeoBounds(Unproject(bb.GetTopLeft()), Unproject(bb.GetBottomRight()));
}
void RenderFrustum(dword color = 0xFFFFFFFF)
{
Update(); // hack
//vec3 vOrigin = (m_vPos * m_mVP);
//vec3 vDirection = vec3(0, 0, 5).Rotate(m_mVP);
vec3 pRayBL[2];
vec3 pRayBR[2];
vec3 pRayTR[2];
vec3 pRayTL[2];
Unproject(pRayBL, ivec2(0, 0));
Unproject(pRayBR, ivec2(m_viewport.x, 0));
Unproject(pRayTR, ivec2(m_viewport.x, m_viewport.y));
Unproject(pRayTL, ivec2(0, m_viewport.y));
g_pEngine->PushLine(pRayBL[0], pRayBL[1], color);
g_pEngine->PushLine(pRayBR[0], pRayBR[1], color);
g_pEngine->PushLine(pRayTR[0], pRayTR[1], color);
g_pEngine->PushLine(pRayTL[0], pRayTL[1], color);
// near plane
g_pEngine->PushLine(pRayBL[0], pRayBR[0], color);
g_pEngine->PushLine(pRayBR[0], pRayTR[0], color);
g_pEngine->PushLine(pRayTR[0], pRayTL[0], color);
g_pEngine->PushLine(pRayTL[0], pRayBL[0], color);
// far plane
g_pEngine->PushLine(pRayBL[1], pRayBR[1], color);
g_pEngine->PushLine(pRayBR[1], pRayTR[1], color);
g_pEngine->PushLine(pRayTR[1], pRayTL[1], color);
g_pEngine->PushLine(pRayTL[1], pRayBL[1], color);
}
GeoBounds
FlatProjection::Unproject(const FlatBoundingBox &bb) const
{
assert(IsValid());
return GeoBounds(Unproject(FlatGeoPoint(bb.GetLowerLeft().longitude,
bb.GetUpperRight().latitude)),
Unproject(FlatGeoPoint(bb.GetUpperRight().longitude,
bb.GetLowerLeft().latitude)));
}
void
FlatProjection::SetCenter(const GeoPoint &_center)
{
assert(_center.IsValid());
center = _center;
cos = center.latitude.fastcosine() * fixed_scale;
r_cos = 1. / cos;
approx_scale = Unproject(FlatGeoPoint(0,-1)).DistanceS(Unproject(FlatGeoPoint(0,1))) / 2;
}
void Touch(float x, float y)
{
Debug("Click at %g;%g", x,y);
TGVectorF4 click;
Bug(!Unproject(x,y, click), "Unproject failed");
Debug("Got: %g; %g; %g", click.X, click.Y, click.Z);
Clicker.Click(click.X, click.Z);
}
void MouseCoordsToWorldPointAndRay( const LMatrix4& _proj, const LMatrix4& _view, float mx, float my, LVector3& srcPoint, LVector3& dir )
{
LVector3 screenPoint ( 2.0f * mx - 1.0f, -2.0f * my + 1.0f, 0.0f );
LVector3 worldPoint = Unproject( _proj, _view, screenPoint );
LMatrix4 CamRotation;
DecomposeCameraTransformation( _view, srcPoint, CamRotation );
dir = worldPoint - srcPoint;
}
bool UnprojectFull( const Vector4& windowPos,
const Matrix& modelView,
const Matrix& projection,
float viewportWidth,
float viewportHeight,
Vector4& objectPos )
{
Matrix invertedMvp( false ); // Don't initialize.
Matrix::Multiply( invertedMvp, modelView, projection );
if (invertedMvp.Invert())
{
return Unproject( windowPos, invertedMvp, viewportWidth, viewportHeight, objectPos );
}
return false;
}
void CCollisionMgr::OnScreenTouch(glm::vec2 _vTouchPoint)
{
m_bIsTouch = true;
m_vTouch2DPoint = _vTouchPoint;
ICamera* pCamera = CSceneMgr::Instance()->Get_Camera();
if(pCamera == NULL)
{
return;
}
glm::mat4x4 mView = pCamera->Get_View();
glm::mat4x4 mProjection = pCamera->Get_Projection();
glm::ivec4 vViewport;
vViewport[0] = 0;
vViewport[1] = 0;
vViewport[2] = CWindow::Get_ScreenHeight();
vViewport[3] = CWindow::Get_ScreenWidth();
m_vTouchRay = Unproject(m_vTouch2DPoint, mView, mProjection, vViewport);
CEventMgr::Instance()->OnEvent(CEventMgr::E_EVENT_TOUCH);
}
GameObject* PickObject(const Vec2f& mouseScreen)
{
// Get object carried by player - don't pick
Ve1Object* carried = 0;
Player* player = GetLocalPlayer();
if (player)
{
carried = player->GetCarrying();
}
Vec3f mouseWorldNear;
Vec3f mouseWorldFar;
Unproject(mouseScreen, 0, &mouseWorldNear);
Unproject(mouseScreen, 1, &mouseWorldFar);
LineSeg lineSeg(mouseWorldNear, mouseWorldFar);
GameObject* selectedObj = 0;
GameObjects* objs = TheGame::Instance()->GetGameObjects();
float bestDist = 9e20f;
for (GameObjects::iterator it = objs->begin(); it != objs->end(); ++it)
{
GameObject* pgo = it->second;
Assert(pgo);
Ve1Object* v = dynamic_cast<Ve1Object*>(pgo);
Assert(v);
if (!v->IsPickable())
{
#ifdef PICK_DEBUG
std::cout << " Obj " << pgo->GetId() << " is not pickable.\n";
#endif
continue;
}
if (v == carried)
{
// Can't select it then!
std::cout << "Skipping carried object " << *v << "\n";
continue;
}
const AABB& aabb = pgo->GetAABB();
if (Clip(lineSeg, aabb, 0))
{
#ifdef PICK_DEBUG
std::cout << " Obj " << pgo->GetId() << " IS PICKED!\n";
#endif
// Line seg intersects this box
// Choose object whose centre (position) is closest to line seg..?
// float dist = LineSeg(mouseWorldNear, mouseWorldFar).SqDist(pgo->GetPos());
float dist = (mouseWorldNear - pgo->GetPos()).SqLen(); // pick closest
// Treat skybox as least attractive option, followed by terrain
if (dynamic_cast<Skybox*>(v))
{
#ifdef PICK_DEBUG
std::cout << " Obj " << pgo->GetId() << " skybox so treated as far away\n";
#endif
dist = 9e19f;
}
else if (dynamic_cast<Terrain*>(v))
{
#ifdef PICK_DEBUG
std::cout << " Obj " << pgo->GetId() << " terrain so treated as far away\n";
#endif
dist = 9e18f;
}
#ifdef PICK_DEBUG
std::cout << " Obj " << pgo->GetId() << " sqDist: " << dist << "\n";
#endif
if (dist < bestDist)
{
#ifdef PICK_DEBUG
std::cout << " Obj " << pgo->GetId() << " AND IS CLOSEST!\n";
#endif
bestDist = dist;
selectedObj = pgo;
}
}
else
{
#ifdef PICK_DEBUG
std::cout << " Obj " << pgo->GetId() << " is not picked.\n";
#endif
}
}
return selectedObj;
}
