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Sierpinski carpet: Difference between revisions
Added solution for Action!
(→{{header|Haskell}}: Explicit import of Control.Applicative no longer needed in recent builds.) |
(Added solution for Action!) |
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print(sierpinski_carpet(3))</lang>
=={{header|Action!}}==
<lang Action!>BYTE FUNC InCarpet(BYTE x,y)
DO
IF x MOD 3=1 AND y MOD 3=1 THEN
RETURN (0)
FI
x==/3 y==/3
UNTIL x=0 AND y=0
OD
RETURN (1)
PROC DrawCarpet(INT x0 BYTE y0,depth)
BYTE i,x,y,size
size=1
FOR i=1 TO depth
DO size==*3 OD
FOR y=0 TO size-1
DO
FOR x=0 TO size-1
DO
IF InCarpet(x,y) THEN
Plot(x0+2*x,y0+2*y)
Plot(x0+2*x+1,y0+2*y)
Plot(x0+2*x+1,y0+2*y+1)
Plot(x0+2*x,y0+2*y+1)
FI
OD
OD
RETURN
PROC Main()
BYTE CH=$02FC,COLOR1=$02C5,COLOR2=$02C6
Graphics(8+16)
Color=1
COLOR1=$0C
COLOR2=$02
DrawCarpet(79,15,4)
DO UNTIL CH#$FF OD
CH=$FF
RETURN</lang>
{{out}}
[https://gitlab.com/amarok8bit/action-rosetta-code/-/raw/master/images/Sierpinski_carpet.png Screenshot from Atari 8-bit computer]
=={{header|Ada}}==
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