fix in Mesh class: texCords are not used when colors are specified directly
fix in Mesh class: texCords are not used when colors are specified directly

AlanZatarain/visvis.dev,Alwnikrotikz/visvis,chrisidefix/visvis,Alwnikrotikz/visvis,pbfy0/visvis.dev,chrisidefix/visvis,chiluf/visvis.dev,Alwnikrotikz/visvis.dev,pbfy0/visvis,pbfy0/visvis,chrisidefix/visvis,pbfy0/visvis,Alwnikrotikz/visvis,almarklein/visvis.dev