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vector bilerp word

db4
Joe Groff 2009-05-20 10:26:55 -05:00
parent c505c6f261
commit b73c8a0619
1 changed files with 4 additions and 0 deletions
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basis/math/vectors/vectors.factor
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@ -58,6 +58,10 @@ IN: math.vectors
: vnlerp ( a b t -- a_t ) : vnlerp ( a b t -- a_t )
[ lerp ] curry 2map ; [ lerp ] curry 2map ;
: vbilerp ( aa ba ab bb {t,u} -- a_tu )
[ first vnlerp ] [ second vnlerp ] bi-curry
[ 2bi@ ] [ call ] bi* ;
HINTS: vneg { array } ; HINTS: vneg { array } ;
HINTS: norm-sq { array } ; HINTS: norm-sq { array } ;
HINTS: norm { array } ; HINTS: norm { array } ;