the position of light source

[aguess]

Safety
I has a probleme with the light it does not cover all the scene , the objects which are affected with the light in a colour differente than the objects which are not under the light?
how can i place good the source of light

[SThomas]

posted by aguess: how can i place good the source of light

you specify the source of a light with the glLight* function.

any way you could rephrase your question or issue? i'm not understanding what you're asking.