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Sorry for a really noob-level question... I want to apply a specific piece of the texture (not the entire texture)to a quad. The texture is a 开发者_开发技巧256x64 image and I\'d like to be able to s
so i\'m following the \"OpenGL superbible 5\" and have encountered yet another issue: I\'m trying to use GLTools.h, GLShaderManager, math3d.h, etc. to get the example code for the book, fresh from goo
I have a QVector3D which defines an object\'s velocity in local coordinate system (= positive Z means moving forward,...), and a QVector3D in 10th-of-degree (0..3600) steps defining the rotation of th
I have an opengl arbitrary rotation matrix and would like to remove the X & Y axis, leaving开发者_运维百科 me with only the Z axis?
i have a deadline for tonight midnight (in around 9 hours) and i have been working with this problem for a good few hours and its driving me mad. I am rather new to XNA so please explain in depth what
开发者_StackOverflow社区I have a polygon, where each vertex has texture coordinates. How can I calculate texture coord for any point lying in the polygon? (I know points coordinates.)
I\'m writing a screensaver with a bouncing ball (x and y, does not bounce in Z) in C++ using OpenGL. When this ball touches the edges of the screen, a small patch of damage will appear on the ball. (W
I am using the JMonkey Engine开发者_运维技巧 to create a 3D bounding box and then I\'m trying to use smaller boxes to flood fill the bounding box. Unfortunately I can\'t find a 3D flood fill algorithm
Has anyone managed to export a OpenGL VBO into an external file format at runtime? I\'d be grateful for any pointers in the right direction, since I h开发者_如何学Pythonave no idea of how I would go a
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