- click t to switch between phong/blinn phong/lut bilnn phong
- click n to turn on/off normal map
- click b to turn on/off displacement/bump map
- Comparision of Phong and Phong with Normal Map on earth rendering
- Comparision of Blinn-Phong and Blinn-Phong with Normal Map on earth rendering
*Blinn-Phong with Normal Map Animation
*Blinn-Phong with Normal Map + Bump Map Animation