View Frustum Flashcards
1
Q
Which values in a perspective view matrix are affected by near and far clipping plane? (Marked with X)
A
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, x, x,
0, 0, 0, 0
2
Q
Which values in a perspective view matrix are affected by the field of view setting? (Marked with X )
A
x, 0, 0, 0,
0, x, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0
3
Q
What is the near clipping plane?
A
Anything closer to the camera than the near clipping plane will not be rendered and If you look at the Frustum as a Pyramid, it defines the upper pyramid plane
4
Q
What is the far clipping plane?
A
Anything further away from the camera will not be rendered and if you look at the frustum as a pyramid, it defines the ground plane