Why do we need the NDC step again? Why aren't we able to go straight from camera coordinates to screen coordinates?
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Because we need to keep into account which objects are in front and which are in the back.Transforming to NDC space is one of the methods (and the only one mentioned so far in the lectures) to do this.
Why do we need the NDC step again? Why aren't we able to go straight from camera coordinates to screen coordinates?
Because we need to keep into account which objects are in front and which are in the back.Transforming to NDC space is one of the methods (and the only one mentioned so far in the lectures) to do this.