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Tango Issac Debian 23Jan2007 02:04

Asking On OPENGL
 
hi,guys...
i am a newbie in OpenGL...some tpoics create conflicts
to me .....Ples help me.....

1) what is the default Axis and origin of the OpenGL??
2)When we draw a point as

glBegin(GL_POINTS);
glVertex3f(9.0f,0.8f,89.0f);
glEnd();

Here,in some codes the different programmers use (-ve) as
notifying vertex position...how is this possible??how
they think here as their Axis and origin???
pls help me...
regards tango

DaWei 23Jan2007 05:20

Re: Asking On OPENGL
 
(-ve) :confused:

shabbir 23Jan2007 08:46

Re: Asking On OPENGL
 
You are probably talking about specific program and I dont see anything that is such a strictness of assigning -ve values.

You can refer to the OpenGL program in SolarSystem--My first OpenGL program.

Tango Issac Debian 23Jan2007 10:25

Re: Asking On OPENGL
 
hai
Guys,
Thank very much to give me a
so good resource....

But, my asking is
1)in this program what is the position of
your 3D axis??Please say me
this i cannot understand...

2)At glTranslatef(-1.0,0.0f,-9.4f);

pLease explain me the meaning of the
Function??
Please!!!!!
Thanks guys
Tango


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