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Geek Culture / 2d to 3d back to 2d

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aluseus GOD
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Joined: 19th Mar 2007
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Posted: 26th Oct 2007 03:17
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3d when first invented MUST have been made from 2d and then made into realistic looking 3d right? So they made 3d from 2d. Then the 3d industry took over and now 2d is being simulated with 3d.

My question is... Why? Why waste all that time when you could just start with 2d? Is 2d that obsolete?

Hi. I am sorry for being a random n00b. I got carried away and started posting to much. Then again I am a little kid.
This has been a public announcement by John- who wants a taco.
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Deathead
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Posted: 26th Oct 2007 03:21
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No. Teh oldes were made from 2d. But then 2d looked to unrealistic so they moved on.

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aluseus GOD
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Posted: 26th Oct 2007 03:26
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but 3d graphics cards use 2d to generate 3d!

Hi. I am sorry for being a random n00b. I got carried away and started posting to much. Then again I am a little kid.
This has been a public announcement by John- who wants a taco.
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Satchmo
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Posted: 26th Oct 2007 03:42
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No, they use triangles or polygons. They display 2d that looks 3d.

Your about to get pwned.
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Venge
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Posted: 26th Oct 2007 04:17
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Quote: "but 3d graphics cards use 2d to generate 3d!"


Not quite...If you knew about directx graphics, each vertex has a set of coordinates in local space *untransformed vertices*. They are translated to world space, in relation to the object itself. Then they are converted to the view matrix, where they can be shown on the screen *transformed vertices*.

Its just a little more complex than "using 2d to generate 3d"
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Digital Awakening
AGK Developer
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Posted: 26th Oct 2007 11:13
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Put it simple your computer sends 3D models and textures to your graphics card which then renders a 2D image in real time (many times per second) which is then sent to the monitor (which is connected to your graphics card).

Before graphics cards the CPU did all the graphic calculations and they where so weak that they could only draw 2D (pixel by pixel, no 3D rendering). But they got more powerful and they could render 3D as well but 2D and 3D where separated.

As 3D hardware, and 3D hardware acceleration, became better and better someone realized that it would be faster to make 3D sprites out of 2D images and take advantage of the 3D acceleration then just drawing the images on screen.

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aluseus GOD
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Posted: 27th Oct 2007 00:07
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really? Hmmm.... I always thought 3d was just 2d made into 3d, I don't see how it could be different.
well, I wish we still had normal 2d.

This isn't a sig. It's me disguised a sig. Can you get me out?
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