Comments on: 2. OpenGL Window Reshaping (Version 2.0)

By: Prathap

Prathap — Sun, 25 Sep 2011 05:52:52 +0000

Im using visual studio 2010 ultimate, and while compiling im getting these errors.

1>—— Build started: Project: cohen_suth, Configuration: Debug Win32 ——
1>LINK : error LNK2001: unresolved external symbol _mainCRTStartup
1>F:\Projects\cohen_suth\Debug\cohen_suth.exe : fatal error LNK1120: 1 unresolved externals
========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========

can someone help me

By: anoop4real

anoop4real — Mon, 01 Aug 2011 06:26:03 +0000

Nice tutorial man,

Need to know one thing, if say I dont want my app to handle resizing, so if I simply write a code to draw points or lines, will it work. Please see my post here

http://www.opengl.org/discussion_boards/ubbthreads.php?ubb=showflat&Number=300938

-anoop

By: Ruud

Ruud — Thu, 21 Jul 2011 15:13:59 +0000

Hello Swiftless,

First of, thanks for these great tutorials, I’ll donate some money to you shortly for doing such a great job on these. Keep it up!

Now, onto my question: Will resize be called on creation of the window? Or only when resizing?

Thanks,
Ruud

By: Swiftless

Swiftless — Fri, 20 May 2011 02:22:36 +0000

Hi Evaldas,

If you have absolutely no computer graphics experience and very little matrix and verctor experience, then yes that would be normal. I’d recommend looking at maybe the Wikipedia pages for vectors, matrices, transformation matrices and projection matrices if you really want to understand what is going on.

Thanks,
Swiftless

By: Swiftless

Swiftless — Fri, 20 May 2011 02:10:10 +0000

Hi Tejus,

I had an internal debate over the ordering of this, and came to the conclusion I wanted to get all the fiddly bits down before people started playing around with shapes and getting distracted.

Thanks,
Swiftless

By: Evaldas

Evaldas — Wed, 18 May 2011 14:48:35 +0000

Hi,
Is this normal that i don’t understand almost nothing from the beginning?

By: Anthony

Anthony — Wed, 18 May 2011 07:56:18 +0000

Good tutorials , but screenshot of the image for each program will be a wonderful addition

By: Madhuri

Madhuri — Tue, 17 May 2011 17:25:36 +0000

i have created a game through OpenGL. But the contents of the window vanishes when the window is moved or so… what can i do?

By: a man

a man — Thu, 12 May 2011 15:58:45 +0000

I love yours tutorials!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

By: Tejus

Tejus — Wed, 04 May 2011 09:25:10 +0000

Great work. Very helpful.
You should have written a code to generate a ‘square’ in display(). And then demonstrate the use and need for maintaining the aspect ratio using reshape(). i.e.,
“when the window is resized the Square remains in shape of a ‘square’ and doesn’t become a rectangle due to resizing”.