I am tryinig to do a flashlight in a side scrolling project but I have a weird problem with spotlight: when its rotation is -90 degrees in Y axe, it iluminates like this:
But when I set the rotation of the spotlight to 90 degrees in Y axe (opposite), it illuminates in a different way:
I found the problem and the solution: I was using a “Bumped Diffussed” shader and looks like I imported in the wrong way my normal map. In the texture inspector of the normal map image, it has to be checked “Create from Grayscale” option and then apply.