C++ (Cpp) FrustumComponent::getFrustumの例

コード例 #1

ファイル: DebugDrawer.cpp プロジェクト: zhouxh1023/anki-3d-engine

//==============================================================================
void SceneDebugDrawer::draw(FrustumComponent& fr) const
{
	const Frustum& fs = fr.getFrustum();

	m_dbg->setColor(Vec3(1.0, 1.0, 0.0));
	CollisionDebugDrawer coldraw(m_dbg);
	fs.accept(coldraw);
}

コード例 #2

void SectorGroup::findVisibleSectors(const FrustumComponent& frc,
	const SoftwareRasterizer* r,
	List<const Sector*>& visibleSectors,
	U& spatialsCount) const
{
	// Find the sector the eye is in
	Sphere eye(frc.getFrustumOrigin(), frc.getFrustum().getNear());
	Bool eyeInsideASector = false;
	Sector* sectorEyeIsInside = nullptr;

	iterateSceneSectors(*m_scene, [&](Sector& sector) -> Bool {
		Bool collide = testCollisionShapes(eye, sector.m_aabb);

		if(collide)
		{
			collide = testCollisionShapes(eye, sector.getBoundingShape());
		}

		if(collide)
		{
			eyeInsideASector = true;
			sectorEyeIsInside = &sector;
			return true;
		}

		return false;
	});

	if(!eyeInsideASector)
	{
		// eye outside all sectors, find those the frustum collides

		iterateSceneSectors(*m_scene, [&](Sector& sector) -> Bool {
			if(frc.insideFrustum(sector.getBoundingShape()))
			{
				findVisibleSectorsInternal(frc, sector, r, visibleSectors, spatialsCount);
			}

			return false;
		});
	}
	else
	{
		// eye inside a sector
		findVisibleSectorsInternal(frc, *sectorEyeIsInside, r, visibleSectors, spatialsCount);
	}
}