loftar wrote:Ysh wrote:I have pondered these greatest mystery for many of my days. I have restrained myself from knowing the love of the woman to unravel your secrets. So far I have concluded this ''rc'' will mean something like ''real coordinates'' while ''sc'' will become ''screen coordinates.'' This other one, ''a'' is meaning of ''angle'' for rotating. But this last puzzle continues to elude me. What is meaning of this teaching, ''sczu?''
See, your meditations and abstentions have paid off and you're entirely right. For the sake of completeness, it should perhaps be said that "real coordinates" is a contrast against the computed coordinates that getc() returns which can be modified in real-time by eg. Moving attributes.
"sczu", on its hand, is "screen coordinate Z-unit". That is, the unit length in the world-space Z-direction projected into screen coordinates from the object's origin. This can be gleaned from its origin in Coord3f.zu where it is calculated:
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Gob.this.sczu = proj.toscreen(mv.mul4(Coord3f.zu), wnd.sz()).sub(s);
And foolish men will say that God is dead. Thank you.