clear_zbuffer
Writes a depth value into the given Z-buffer.
Description
Writes z into the given Z-buffer (0 means far away). This function should
be used to initialize the Z-buffer before each frame. Actually, low-level
routines compare depth of the current pixel with 1/z: for example, if you
want to clip polygons farther than 10, you must call
clear_zbuffer(zbuf, 0.1).
Related Projects
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