1. (PROJECT) Add lighting to Program 10.4 so that the surface structure of the height-mapped terrain is further exposed. 2. (PROJECT) Add shadow-mapping to your code from Exercise 10.3 so that your...

height-mapped terrain is further exposed. 2.
(PROJECT)
Add shadow-mapping to your code from Exercise 10.3 so that your height-mapped terrain casts shadows. 3. Modify Program 12.1 to experiment with various values for inner and outer tessellation levels, and observe the resulting rendered mesh.