void VShadowMapGenSpotDir::GetBoundingBoxVS(hkvAlignedBBox &boundingBox) const
{
VASSERT(m_eProjectionType==SHADOW_PROJECTION_ORTHOGRAPHIC && m_iNumParts>0);
if (!boundingBox.isValid())
return;
// transform shadow-caster bounding box with view-matrix of first cascade, since actual cascade is indifferent here
boundingBox.transformFromOrigin(m_pParts[0].GetCamera()->GetWorldToCameraTransformation());
}
static void LookAtBox(const hkvAlignedBBox &bbox)
{
if (!bbox.isValid())
return;
VisBaseEntity_cl* pCenterEntity = Vision::Game.CreateEntity("VisBaseEntity_cl", bbox.getCenter());
const float fBBRadius = bbox.getBoundingSphere().m_fRadius;
float fFovX, fFovY;
Vision::Contexts.GetMainRenderContext()->GetFinalFOV(fFovX, fFovY);
const float fDist = fBBRadius / hkvMath::tanDeg(hkvMath::Min(fFovX, fFovY) * 0.5f);
VOrbitCamera* pOrbitCamera = new VOrbitCamera();
pOrbitCamera->MinimalDistance = fDist * 0.01f;
pOrbitCamera->MaximalDistance = fDist * 100.0f;
pOrbitCamera->CameraDistance = fDist;
pCenterEntity->AddComponent(pOrbitCamera);
}
