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Type: Posts; User: Luin

1. ## Thread: Correction Rotation Matrices (red book)

by Luin
Replies
0
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327

### Correction Rotation Matrices (red book)

On redbook, pp.673, description of rotaion matrices is confusing:

a of glRotatef*(a, 1, 0, 0) is degree, so glRotatef*(a, 1, 0, 0) is not equal to rotaion matrix using a. (redbook uses : instead...
2. ## Thread: Represent Rotate and Translate by one Translate

by Luin
Replies
3
Views
168

### Re: Represent Rotate and Translate by one Translate

SED and bgl, thank you for pointing out “radians.” It works now!

Matrix method suggestions seems helpful, too.

Have a nice day!

Luin
3. ## Thread: Represent Rotate and Translate by one Translate

by Luin
Replies
3
Views
168

### Represent Rotate and Translate by one Translate

Hi,
I can get my desired result by

--some transformations exist before next--
glRotatef(angle, 0.f, 1.f, 0.f);
glTranslatef(0.f, 0.f, 0.7f);
DrawObject;

Now, I want to represent shift of...
4. ## Thread: model view transformation

by Luin
Replies
2
Views
248

### Re: model view transformation

>What happens is that objects that are far away are smaller.

So for perspective projection case, model-view matrix already contains this effect,,.

>But, what could happen for your problem is...
5. ## Thread: model view transformation

by Luin
Replies
2
Views
248

### model view transformation

I am still confused by model-view transformation.

Is the eye-coordinate space a Euclidian space? In other words, does the eye-coordinate space have orthogonal basis with (1,0,0), (0,1,0), and...
6. ## Thread: How to make Virtual Texturing popular for consumers

by Luin
Replies
1
Views
284

### How to make Virtual Texturing popular for consumers

Well, it is important for OpenGL that 3Dlabs Virtual Texturing becomes popular for consumers. How can it be?

Strategy1: support DirectX: to sell 3Dlabs consumer level boards, it must compete with...
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