Fix issue with matrix determinant error when rendering particles.
Fix issue with matrix determinant error when rendering particles.

When scale is 0 on an axis, the matrix becomes uninvertible and
causes object worldMatrix generation to fail.  To fix this we
simply hide the mesh and set its scale back to 1,1.

exjam/rosebrowser,exjam/rosebrowser,brett19/rosebrowser,Jiwan/rosebrowser,brett19/rosebrowser,Jiwan/rosebrowser