FAQ

My textures look grayish, like they would have a limited color space.

Be sure to create your textures in the sRGB color space. Otherwise they will be displayed not correctly. Also, don't forget to call tex.set_format(Texture.F_srgb) or tex.set_format(Texture.F_srgb_alpha) after loading the textures.

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My normals / lighting seems to be wrong

If your object has a bumpfactor of greater than zero but no bumpmap applied, the normals might be off and thus look strange, also affecting the lighting. Ensure the bumpmap factor is either 0 or you have a proper bumpmap applied!

Also make sure you do not have a negative scale on your object, since this will flip objects, even if it might look right in blender.

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PointLight has no attribute xxx

Make sure you don't do from panda3d.core import * or from panda3d.core import PointLight, since Panda3D also has a PointLight class. If you import the wrong class, you will get those errors.