3d
Irrlicht - Using SMesh, SMeshBuffer and SceneManager->AddOctreeSceneNode(...)
I need to draw a very large number of 3d lines. If I use开发者_StackOverflow driver->draw3dLine(...), the performance drops very badly. I heard that using the Octree we can optimize the drawing by[详细]
2023-04-09 21:55 分类:问答How to view a Collada mesh in a Qt application?
How do I create a small 3D viewport and show there a Collada mesh? Also, mesh has textures, and user would want to rotate a开发者_C百科nd zoom in/out with a mouse.I believe that OpenSceneGraph support[详细]
2023-04-09 18:02 分类:问答Is it possible to apply two transformations with different origins to one div?
I\'ve got a div that I would like to rotate about its y-axis (with perspective) then do another 3d rotation on it around a different origin and display the result. Is this possible? I\'ve only been ab[详细]
2023-04-09 17:53 分类:问答Are there mesh building helper classes in WPF or .NET 4.0?
The mechanisms for building a mesh in WPF are quite low-level. For exam开发者_运维问答ple you have to supply the vertexes and the indexes. Are there helpers in the WPF or anywhere in the .NET 4.0 fram[详细]
2023-04-09 16:51 分类:问答3D world in Java using lwjgl? [closed]
Closed. This questio开发者_高级运维n 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]
2023-04-09 16:22 分类:问答Clip matrix for 3D Perspective Projection
I am trying to create a simple 3D graphic开发者_运维问答s engine and have found and used the equations I found here: http://en.wikipedia.org/wiki/3D_projection#cite_note-0. (I have calculations for Dx[详细]
2023-04-09 05:03 分类:问答Why Database is not used with 3D and Drawing softwares (to store points and other primitive shapes)?
My question is why Databases are not used with Drawing, 3D Modelling, 3D Design, Game Engines and architecture etc. software to save the current state of the images or the stuff that is present on the[详细]
2023-04-09 03:25 分类:问答Rotate, then translate in three.js
I would like to rotate then a plane created with THREE.PlaneGeometry, but I have some problems. What\'s the axis in front of the camera with FirstPersonCamera ?[详细]
2023-04-08 17:34 分类:问答What is the best way of writing box-box ray collision detection in three.js?
The objects in this experiment are moving around randomly: http://deeplogic.info/project/webGL/ What is the best way of writing a box-box ray collision detection for t开发者_如何学Pythonhis using the[详细]
2023-04-08 13:05 分类:问答3d orthogonal projection on a plane
I have a point in 3d P(x,y,z) and a plane of view Ax+By+Cz+d=0 . A point in plane is E.Now i want to project that 3d point to that plane and get 2d coordinates of the projected point relative to the p[详细]
2023-04-08 03:56 分类:问答