这对我来说是有意义的,但无论如何,我要说的是:
Glfloat dir[] = { 0.0, -1.0f, 0.0f, 0.0f };
glLightfv(GL_LIGHT0, GL_POSITION, dir);
什么? 缩略语 非常不可靠。 开放式设计师为什么决定这样做?
因此,在发出这一呼吁时,光线是方向。
http://www.opengl.org/discussion_板s/showthread.php/159448-why-the-last-element-of-light-position-means” rel=“nofollow”>http://www.opengl.org/discussion_板s/showthread.php/159448-why-the-element-of-light-position-means,要求作进一步/更深入的解释。
Is there any open-source 3D graphics and physics engine specialized in driving simulation? Something like a configurable game engine targeted at games that involve driving, or something more ...
We used 3DTools (http://3dtools.codeplex.com) to draw a 3d line, it allows user rotate it by mouse. I have question, how to limit user can rotate it on Z axis only? or on X axis, Y axis only? <...
I have a few 3d rectangles on my screen that I want to pivot around the Y axis. I want to press down with the mouse, and rotate the 3d object to a max rotation, but when the user moves their mouse, ...
I m using Electro in Lua for some 3D simulations, and I m running in to something of a mathematical/algorithmic/physics snag. I m trying to figure out how I would find the "spin" of a sphere of a ...
for development of interactive 3d web applications, which engine is recommended? I am aware that WebGL has been anounced to become standarized for all browsers in the near future (1~2 years). I am ...
What are the best libraries/frameworks for doing 3D and/or Zoom interfaces in Java? I d like to be able to do some prototyping of creating new types of interfaces for navigating within data and ...
Now that the Unreal Development Kit for Unreal 3 engine is free I am thinking about utilizing it for an appication. Do you think it is possible to emebedd a Unreal 3 powered 3D window into a .NET (WPF ...
I have several geometry meshes in my Viewport3D, these have bounds of (w:1800, h:500, d:25). When a user clicks in the middle of the mesh, I want the Point3D of (900, 500, 25)... How can I achieve ...