Misc/abrash-black-book
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James Gregory 2013-12-31 07:31:51 +11:00
commit 307b59584f
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@ -16,12 +16,12 @@ Conceptually rendering from a BSP tree really is that simple, but the
implementation is a bit more complicated. The full rendering pipeline,
as coordinated by **UpdateWorld()**, is this:
- Update the current location.
- Transform all wall endpoints into viewspace (the world as seen from
* Update the current location.
* Transform all wall endpoints into viewspace (the world as seen from
the current location with the current viewing angle).
- Clip all walls to the view pyramid.
- Project wall vertices to screen coordinates.
- Walk the walls back to front, and for each wall that lies at least
* Clip all walls to the view pyramid.
* Project wall vertices to screen coordinates.
* Walk the walls back to front, and for each wall that lies at least
partially in the view pyramid, perform backface culling (skip walls
facing away from the viewer), and draw the wall if it's not culled.