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ruscutie

Thu Oct 12, 2006 4:38 pm


Plz can some1 explain the for i: 0..maxx by 20 command 2 me

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i am doing turing for the first time at school and i don't really get the for i command in graphics.  like in the following program wats the use of for i

for i : 0 .. maxx by 20
drawline(maxx-i , 0, maxx, maxy - i, 16)
end for
 
plz explain it 2 me 
thanx


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Cervantes

Thu Oct 12, 2006 5:54 pm



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Try running the following code:

for i : 0 .. maxx by 20
    put i
end for 

Now you'll see the values that `i' can take on. Then sub those values into your expressions for drawline and see what comes out. Look for patterns.


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ruscutie

Thu Oct 12, 2006 6:09 pm



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thanx