Merge branch 'master' of git://factorcode.org/git/factor

db4
Slava Pestov 2008-07-27 02:32:52 -05:00
commit ebde016eed
2 changed files with 14 additions and 1 deletions

View File

@ -1,5 +1,7 @@
USING: kernel arrays sequences math.vectors math.geometry accessors ;
USING: kernel arrays sequences
math math.points math.vectors math.geometry
accessors ;
IN: math.geometry.rect
@ -50,3 +52,10 @@ M: rect set-height! ( rect height -- rect ) over dim>> set-second ;
M: rect set-x! ( rect x -- rect ) over loc>> set-first ;
M: rect set-y! ( rect y -- rect ) over loc>> set-second ;
! Accessing corners
: top-left ( rect -- point ) loc>> ;
: top-right ( rect -- point ) [ loc>> ] [ width 1 - ] bi v+x ;
: bottom-left ( rect -- point ) [ loc>> ] [ height 1 - ] bi v+y ;
: bottom-right ( rect -- point ) [ loc>> ] [ dim>> ] bi v+ { 1 1 } v- ;

View File

@ -195,6 +195,8 @@ TUPLE: sprite loc dim dim2 dlist texture ;
: gl-translate ( point -- ) first2 0.0 glTranslated ;
<PRIVATE
: top-left drop 0 0 glTexCoord2i 0.0 0.0 glVertex2d ; inline
: top-right 1 0 glTexCoord2i first 0.0 glVertex2d ; inline
@ -203,6 +205,8 @@ TUPLE: sprite loc dim dim2 dlist texture ;
: bottom-right 1 1 glTexCoord2i gl-vertex ; inline
PRIVATE>
: four-sides ( dim -- )
dup top-left dup top-right dup bottom-right bottom-left ;