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Howto:Multi-channel lightmap: Difference between revisions
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Start by setting up your lighting scheme in Blender. This is what your cockpit or subject will look like when looking at it in the Material Viewport if using only the normal white light. | Start by setting up your lighting scheme in Blender. This is what your cockpit or subject will look like when looking at it in the Material Viewport if using only the normal white light. | ||
[[File:Blend6a.jpg|thumb|Setting up colored light sources]] | |||
You can set up your lights to mimic the 3 color channels used in the shader and thus bake three different light sources into three different channels in one bake session if you wish. This would eliminate some steps in Gimp during the next part of the process, but for the purpose of this tutorial, we'll take the longer approach so you can see how it is possible to work with images and their channels. This is what you might expect to see if you do a light source per color channel (rgb). | You can set up your lights to mimic the 3 color channels used in the shader and thus bake three different light sources into three different channels in one bake session if you wish. This would eliminate some steps in Gimp during the next part of the process, but for the purpose of this tutorial, we'll take the longer approach so you can see how it is possible to work with images and their channels. This is what you might expect to see if you do a light source per color channel (rgb). | ||
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Hit the bake button. When the baking is finished, if everything went OK, you should have a baked map that looks something like this. | Hit the bake button. When the baking is finished, if everything went OK, you should have a baked map that looks something like this. | ||
[[File:Blend7a.jpg|thumb|Multi channel bake]] | |||
Or if you used colored lights it will look like this. | |||
[[File:Tutorial 04.jpg|thumb|Import as layer baked greyscale lightmaps made in Blender]] | [[File:Tutorial 04.jpg|thumb|Import as layer baked greyscale lightmaps made in Blender]] | ||
Some of these steps will not be necessary if you used the colored lights approach as you will already have the three color channels combined. | |||
[[File:Tutorial 05.jpg|thumb|Changing greyscale to one color channrl]] | [[File:Tutorial 05.jpg|thumb|Changing greyscale to one color channrl]] | ||