The answer simply is because custom RAY-MMD skyboxes are “ special“ each comes with their own set of controls that allows you to specify how the lighting environment under the sky box behaves.
RAY-MMD comes with a nice set of ready to use sky boxes, but did you know you can create your own? RAY-MMD: Creating your own custom sky boxīut before we get to the “ how to“, let me briefly explain “ why” you would want to do this.
