From: Maik J. <mj...@gm...> - 2008-01-28 20:18:39
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Hi Stuart, Stuart Buchanan schrieb am 28.01.2008 10:25: > > If you have a look in the data/Textures/Trees/ directory you will see that the > .rgb files are actually a strip of different trees, evenly distributed along the > x-axis. You can change them in any way you want, as long as you ensure that they > are evenly spaced, and you update the <tree-varieties> tag in materials.xml to > match. > > The "transparency--bug" appears only, where the alpha channel of the texture is neither 0 nor 100%. Therefore I changed the alpha channel to be only zero or 100%. But the problem is not solved. The texture is scaled (mip mapping?), and therefore the new alpha value is interpolated between the original values resulting in semi-transparent values. If it would be possible to exclude the alpha channel of the tree-textures from the interpolation, the transparency problem could be solved fully without any sorting (just by changing the textures). If it is not possible: sorting of the triangles within each tree would help in many cases. Maik |