Labels:text | screenshot | font OCR: w = dz bz + c dz The derivatives of these functions are dw=d d dz dz dz2 So z buffering gives better resolution if -C -c>d dz2 That is, if V-C 27 d (Don't panic, c will always be negative). Applying the definitions of c and d, this converts to - 2 f Z < - 1-2n/
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