3d

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Rotate a vector about another vector

I am writing a 3d vector class for OpenGL.How do I rotate a vector v1 about another v开发者_Python百科ector v2 by an angle A?You may find quaternions to be a more elegant and efficient solution.[详细]

2023-04-08 01:11 分类：问答
Xna ModelBones - How to move them away from eachother?

Hello I know th开发者_StackOverflow中文版at one can get absolute transforms of bones in a model.. But how to move them away (like inflating) ? I think to do so, I need to move them forward to their lo[详细]

2023-04-07 21:09 分类：问答
Detecting a small curve

Suppose you have a contour made of lines, arcs, etc. It can be of any size from 1e-6 to 1e+6. How can I detect tiny useless curves inside it? At the moment we are taking the diagonal of the contour bo[详细]

2023-04-07 19:55 分类：问答
C# 3D wpf gradient colour depending Z

C# I want to t ouse the LinearGradientBrush with absolute cordi开发者_开发百科nates so the pixel colour[详细]

2023-04-07 16:16 分类：问答
Dividing up 3d angles into equal quantities

Say you have a 2d object, you could easily divide this into 15 degree rotations by simply rotating around the centre in 15 degree increments.[详细]

2023-04-07 12:40 分类：问答
How would one approach creating a morphable 3D model? [closed]

Closed. This question is seeking recommendations for books, tools, software libraries, and more. It does not meet Stack Overflow guidelines. It is not currently accepting answers.[详细]

2023-04-07 08:35 分类：问答
How does YouTube 3D flash player instantly switch to anaglyph in 1080p?

A 3D Youtube movie like this: http://www.youtube.com/watch?v=SmV4ieSpk4k can be watched in various 3D technics. I want to make a simular player but I can\'t understand how YouTube\'s 3D player can swi[详细]

2023-04-06 20:59 分类：问答
OpenGL, How to create a "bumpy Polygon"?

I am unsure of how to describe what I\'m after, so I drew a picture to help: My question, is it possible within OpenGL to create the illusion of those pixel looking bumps on a single polygon, without[详细]

2023-04-06 18:12 分类：问答
Is it possible to somehow define a material or brush that completely ignores the current lighting?

I have a model that looks good with lighting, but in that model I want to add a 3D-surface-graph that looks best if I turn lighting off. Does anyone know if it开发者_开发问答 is possible to make the l[详细]

2023-04-06 11:08 分类：问答
Create 3D image effect with CSS3?

Is there any way to manipulate an image with CSS3/Mootools to create the 3D effect? Clarifying 3D as in the kind you put on Glasses with red and blue filters on to see the 3D effect. Not just a drop-[详细]

2023-04-06 06:52 分类：问答