That means it appears to be lit from the positive x and y directions which is the normal map standard.
Some normal map generators have settings for inverting the red(x) and green(y) channels, but some of them invert the red channel by default.Ī regular normal map with no inversions looks as if it's lit from the top right - that means the red channel looks as if it's lit from the right, but the green channel looks as if it's lit from the top. The letters are supposed to look extruded in this example.īefore you decide if you need to invert one of the normal map channels, you need to make sure the normal map generator you are using isn't inverting it by default.
A regular normal map without any inverted channels and its red and green channels shown separately.
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