Method PushTransform

trinity/Sprite2d/Tr2Sprite2dScene.cpp:500–528

}

void Tr2Sprite2dScene::PushTransform( const Matrix& m )
{
	//CCP_STATS_ZONE( __FUNCTION__ );

	TransformStackEntry entry;
	entry.isTranslationOnly = false;
	entry.isTranslationOnlySet = false;

	if( m_transformStack->empty() )
	{
		entry.transform = m;
	}
	else
	{
		const TransformStackEntry& top = m_transformStack->back();
		if( top.isTranslationOnly )
		{
			Matrix parent = TranslationMatrix( top.translation.x, top.translation.y, 0.0f );
			entry.transform = m * parent;
		}
		else
		{
			const Matrix& parent = m_transformStack->back().transform;
			entry.transform = m * parent;
		}
	}

	m_transformStack->push_back( entry );
}

void Tr2Sprite2dScene::PopTransform()
{