texture-mapping

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mapping a texture on a square: Why is the image rotated?

I successfully mapped an image on a square in OpenGL ES...but its rotated 90 degrees. Im pretty new at OpenGL ES, and was wondering if someone could point out why exactly its rotated. Thanks![详细]

2023-02-01 18:40 分类：问答
is it possible to map multiple textures onto a shape in openGL ES?

Im new to OpenGL ES and wanted to create a bunch of triangles that would represent a grid of squares that i could map map tiles to. Is it possible to map separate textures on the same shape in OpenGL[详细]

2023-02-01 17:42 分类：问答
Texture Mapping C++ OpenGL

I have read around on this, including Nehe and here for solutions, but I cant find a specific answer.[详细]

2023-01-26 23:38 分类：问答
OpenGL: Trouble with Render to Texture & Framebuffer Object

I\'d like to render a scene to an initially empty texture. To do so, I use a Framebuffer Object to which I attach an empty 2d texture and a depth buffer. After the set up, as for testing, I draw a sim[详细]

2023-01-26 10:29 分类：问答
Texturing VBOs (Vertex Buffer Objects)

I\'m currently working on a procedural planet generation tool that works by taking a cube, mapping it to a sphere and then applying a heightmap to each face to generate terrain.[详细]

2023-01-24 02:01 分类：问答
Procedural Planets, Heightmaps and textures

I am currently working on an OpenGL procedural planet generator.I hope to use it for a space RPG, that will not allow players to go down to the surface of a planet so I have ignored anything ROAM rela[详细]

2023-01-23 00:05 分类：问答
BitmapFileMaterial not loading on embed

I\'ve built a carousel in Papervision3D using Flash CS5, everything works fine but when it\'s embedded in a web-page (local or online) the BitmapFileMaterial assets don\'t seem to load.[详细]

2023-01-22 01:25 分类：问答
OpenGL ES for iPhone blending not working

I\'m a beginner to 3D graphics in general and I\'m trying to make a 3D game for the iPhone, and more specifically, to use textures that contain transparency. I am able to load a texture (an 8 bit .png[详细]

2023-01-21 20:47 分类：问答
How does the R coordinate(float) choose which part of a 3D texture to use? (OpenGL)

I am attempting to use 3D textures to texture my randomly generated terrain. I want to be able to have many different terrain textures that blend between different areas. I can\'t seem to figure out w[详细]

2023-01-21 05:22 分类：问答
OpenGL texutre mapped font rendering

I\'m implementing a simple font renderer in OpenGL and have a few questions regarding that It basically loads an image with characters on them into an OpenGL texture[详细]

2023-01-20 14:53 分类：问答