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Is it a convetion ? What we achieve with this ?

I am reading about how the perspective and orthographic matrix is getting calculated and everyone is trying to normalize the homogenous coordinates to [-1,1]

Thank you !

Orthographic Projection

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    \$\begingroup\$ I can't write a full answer to this, but I think it has something to do with making it faster to clip the vertices/triangles that are not visible. This answer is the best I've found about this. \$\endgroup\$ – Vaillancourt Jun 11 '19 at 1:27
  • \$\begingroup\$ This is called Normalized Device Coordinates and is discussed here: stackoverflow.com/questions/15693231/… \$\endgroup\$ – Maximus Minimus Jun 11 '19 at 6:46

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