you can find all email on the list recently about opengl in gambas Le 17/10/2011 08:21, Kevin Fishburne a écrit : > I need some general help with implementing a few things in OpenGL. I > know many new OpenGL functions were added to gb3, but am not sure of the > extent or what I need to do with them. > > I need to create a polygonal grid and apply different textures to > different parts of it. The grid should be a single object for purposes > of shading and light sources. I've heard of a "multitexture" function, > but am not sure if that's what I need. > > As a usage example, let's say I have a 16x16 grid of landscape tiles. > The images for each tile are in an array of OpenGL textures, so I have > 256 separate OpenGL textures. I want to create a polygonal grid object > with subdivisions representing the 16x16 tiles and draw the 256 textures > onto the grid. Is this possible in OpenGL in general, or in gb3's OpenGL > implementation specifically? > > Think of it like drawing the screen tiles for an old Ultima-style game, > but the tiles would be on a single polygonal object. > > I'd also like to know if billboard-style textures are supported in gb3's > OpenGL implementation, which I'll need to implement should the first > point be possible. Any help would be greatly appreciated. A kind gb user > also sent me the OpenGL redbook, which I can use for reference if the > functions are supported by gb. >
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