5.Visibility:[6 marks]  a) [3 marks]Draw a BSP tree for the following scene.  Add the edges in alphabetical order.

The solution (It can also be flipped horizontally):

 

 

 

 

 

b) [3 marks] Given the eye point indicated with the dot, what order are the edges drawn in? 

Solution:

C2, A, D, B, C1, F, E