Game Development Reference
You can, of course, make it even brighter by selecing the Constant node and typing
in a larger number. Change the value to 5 .
4. Now, let's look at one more way to change the specularity of the material. Click on
the Sphere icon at the top of the window; this changes the preview mesh from a
cube to a sphere.
As you can see from the image below, we have changed the preview from a cube to
a sphere. This will make it easier to see our changes.