Time for Action: Goraud Shading

Let's cover an example where we implement lighting with Goraud shading:

1. Open the ch03_03_goraud_phong.html file in your browser. You will see something similar to the following screenshot:

2. The interface looks a little bit more elaborate than the diffuse lighting example. Let's stop here for a moment to explain these widgets:
   • Light Color (light diffuse term): As mentioned at the beginning of this chapter, we can have an example where our light is not white. We have included a color selector widget here for the light color so that you can experiment with different combinations.
   • Light Ambient Term: The light ambient property. In this example, this is a gray value: r = g = b.
   • Light Specular Term: The light specular property. This is a gray value: r = g = b.
   • Translate X,Y,Z: The coordinates that define the light's orientation.
   • Sphere...