C++ (Cpp) Submesh::GetGeometryChunk Examples

Example #1

File: Renderer.cpp Project: rizandigp/Iteration12

void Renderer::Cull( XNA::Frustum* frustum, Transform* pTransform )
{
	if (m_Mesh)
	{
		XNA::OrientedBox objectBox;
		for( int i=0; i<m_Mesh->GetNumberOfSubmeshes(); i++ )
		{
			Submesh* submesh = m_Mesh->GetSubmesh( i );

			XMVECTOR extents = XMLoadFloat3( &submesh->GetGeometryChunk()->GetAABB()->Extents );
			XMVECTOR scale = XMLoadFloat3( &pTransform->GetScale().intoXMFLOAT3() );
			XMVECTOR offset = XMLoadFloat3( &submesh->GetGeometryChunk()->GetAABB()->Center )*scale;
			XMVECTOR position = XMVector3Rotate( offset, XMLoadFloat4(&pTransform->GetOrientation().intoXMFLOAT4()) );
			position += XMLoadFloat3( &pTransform->GetPosition().intoXMFLOAT3() );
			XMStoreFloat3( &objectBox.Center, position );
			XMStoreFloat3( &objectBox.Extents, extents*scale );
			objectBox.Orientation = pTransform->GetOrientation().intoXMFLOAT4();
	
			if( XNA::IntersectOrientedBoxFrustum( &objectBox, frustum ) > 0 )
				m_SubmeshRenderData[i].bVisible = true;
			else
				m_SubmeshRenderData[i].bVisible = false;
		}
	}
}

Example #2

File: Renderer.cpp Project: rizandigp/Iteration12

void Renderer::CullLight( SpotLight* light, Transform* pTransform )
{
	if (m_Mesh)
	{
		XNA::OrientedBox objectBox;
		XNA::Frustum lightFrustum = light->GetFrustum();
		for( int i=0; i<m_Mesh->GetNumberOfSubmeshes(); i++ )
		{
			if (m_SubmeshRenderData[i].bVisible)
			{
				Submesh* submesh = m_Mesh->GetSubmesh( i );

				XMVECTOR extents = XMLoadFloat3( &submesh->GetGeometryChunk()->GetAABB()->Extents );
				XMVECTOR scale = XMLoadFloat3( &pTransform->GetScale().intoXMFLOAT3() );
				XMVECTOR offset = XMLoadFloat3( &submesh->GetGeometryChunk()->GetAABB()->Center )*scale;
				XMVECTOR position = XMVector3Rotate( offset, XMLoadFloat4(&pTransform->GetOrientation().intoXMFLOAT4()) );
				position += XMLoadFloat3( &pTransform->GetPosition().intoXMFLOAT3() );
				XMStoreFloat3( &objectBox.Center, position );
				XMStoreFloat3( &objectBox.Extents, extents*scale );
				objectBox.Orientation = pTransform->GetOrientation().intoXMFLOAT4();

				if( XNA::IntersectOrientedBoxFrustum( &objectBox, &lightFrustum ) > 0 )
					m_SubmeshRenderData[i].AffectingSpotLights.push_back( light );
			}
		}
	}
}