ragdoll initialization fix


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1739 b412e182-2ed4-4078-95c4-27dc59f57fa9
swap volumetric textures each frame


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1740 b412e182-2ed4-4078-95c4-27dc59f57fa9