//----------------------------------------------------------------------------
void Castle::AdjustVerticalDistance ()
{
// Retain vertical distance above "ground".
APoint pos = mCamera->GetPosition();
AVector dir = -AVector::UNIT_Z;
mPicker.Execute(mScene, pos, dir, 0.0f, Mathf::MAX_REAL);
if (mPicker.Records.size() > 0)
{
const PickRecord& record = mPicker.GetClosestNonnegative();
TriMesh* mesh = DynamicCast<TriMesh>(record.Intersected);
APoint tri[3];
mesh->GetWorldTriangle(record.Triangle, tri);
APoint closest = record.Bary[0]*tri[0] + record.Bary[1]*tri[1] +
record.Bary[2]*tri[2];
closest[2] += mVerticalDistance;
mCamera->SetPosition(closest);
}
}
//----------------------------------------------------------------------------
void FreeFormDeformation::OnMouseDown (int x, int y)
{
// Change to right-handed coordinates.
y = GetHeight() - 1 - y;
// The current selected control point is deactivated.
if (mSelected)
{
mSelected->SetEffectInstance(mControlInactive);
mSelected = 0;
}
// Determine which control point has been selected (if any).
APoint origin;
AVector direction;
if (mRenderer->GetPickRay(x, y, origin, direction))
{
mPicker.Execute(mControlRoot, origin, direction, 0.0f,
Mathf::MAX_REAL);
if (mPicker.Records.size() > 0)
{
const PickRecord& record = mPicker.GetClosestNonnegative();
TriMesh* box = DynamicCast<TriMesh>(record.Intersected);
if (box)
{
APoint vertex[3];
box->GetWorldTriangle(record.Triangle, vertex);
mOldWorldPos =
vertex[0]*record.Bary[0] +
vertex[1]*record.Bary[1] +
vertex[2]*record.Bary[2];
mSelected = box;
mSelected->SetEffectInstance(mControlActive);
}
}
}
}
