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imagine what pixel would be what color so it would show the whole space? (yeah it's possible but then picture would be black and white (not actually because colors are needed to display the 4th dimension, but technically))
even that might hit limitation of one block beyond current 4th dimension...
I can explain how to do that using ray tracing:
Place a dot at 0,0,0,0. Place a 100*100*100 grid at 0,0,0,100. Trace a ray from the dot, through a voxel of the plane until it hits a surface of the 4D world. If it hits anything, that voxel will have the colour of the surface.
After you get the 3D image, ray trace the 3D image by placing a dot at 0,0,0. Place a 100*100 grid at 0,0,100. Trace a ray from the dot through a pixel of the plane until it hits a surface of the 3D image. If it hits anything, that pixel will have the colour of the surface.
The resoult:
If anything is farther into the 3rd dimension, it will get smaller. If anything is further into the 4th dimension then it will get smaller.
If you want to do it by rasterisation, make objects smaller if they are farther into the 3rd dimension and if they are farther into the 4th dimension. That tesseract looks like a cube inside a cube because the smaller cube is actually farther into the 4th dimension and it still looks like a cube because it keeps the 3D perpective, just like a cube that looks like a square inside a square.
then it would work, but then u would not know when u r going to fall, u would be floating in 3d space all directions then anyway...
it would become very messy with lot of 4th dimension objects.
nothing wrong with it, i just don't see way to do it.