Started by c4ooo, April 14, 2017, 05:23:15 pm
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Quote from: ben_g on April 15, 2017, 11:06:38 pmNow we can finally start to work on the alpha map. In the UV screen we create the texture image with all texels set to one of the primary colours. I chose green because I'm going to use the green channel for grass, which is the most common texture on my terrain. Make sure to use the RGB sliders to make sure you have one primary colour set to 1 and the others to 0. I let the dimensions at the default 1024x1024, but you may want to increase it for large terrains. Downscaling is easy with any image editor, upscaling is harder. Besides, alpha maps often contain large areas of the same colour so they should be compressed pretty well.
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