I'm learning perspective and I'm drawing a cube of same size lower and lower on the vertical axis as so:
How do I draw the side correctly?
What poses a challenge to me is that the
top-left line (green line in photo) of the cube needs to get longer and longer as I get a higher and higher perspective. But that
line (green line in photo) forms also the side of the box which means that I needs to show more of it. However, the left-right perspective has not changed and therefore I think the side of the box needs to remain the same.
There's a contradiction here: as I bring the box down, I'm forced to exposed more of the side of the box - and not only more of the roof - because the side of the box is related to the roof by the green line.
How do I overcome this?
If I keep the side constant and increase the roof size only... it looks even worse:
So I don't understand what to do.