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Dark GDK / A 'for' Problem

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zapakitul
18
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Joined: 1st Mar 2007
Location: In my world
Posted: 31st Jul 2009 17:25
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I loaded an object [square-like model] 9 times using GDK. What I'm trying to do is position that object, something like this:

But I can't do it right.
Here's what I tried so far:
Attempt1:

Attempts2:

Any ideas what am I doing wrong?
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dark coder
22
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Joined: 6th Oct 2002
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Posted: 31st Jul 2009 17:54
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9 x 3 x 3 != 9.

Follow your loops through in your head and you should see the issue.

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zapakitul
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Posted: 31st Jul 2009 18:11
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9 x 3 x 3? I really don't get what you mean. Let's split it down a little and see what am I thinking wrong.
What do I have? 9 square objects.
I want to position them like the numbers on the num pad, from 1 to 9.
What does this mean? That I have 3 squares / row and 3 rows.
Now by doing a for from 1 to 9(WorldObjects) I can use dbPosition to position all of my objects at the given coordinates.
[... kinda hard to explain ...]
Now by doing:

I try to position the objects like this
worldobject(1) at 1,1
worldobject(2) at 1,2
worldobject(3) at 1,3
worldobject(4) at 2,1
.....................
worldobject(9) at 3,3.
But yet, I still don't know/understand what am I thinking wrong? 9 X 3 X 3 != 9, but I need the first "9" so I can loop through all my objects. hm...
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Matty H
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Posted: 31st Jul 2009 18:14
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Let me know if that does not work.
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dark coder
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Posted: 31st Jul 2009 18:21
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You're looping through all 9 objects yes, but you then you go through a 3x3 loop which is done on ALL the objects, thus all 9 get given the SAME position at the end of all the loops.

matty halewood's code should do what you need, though I prefer giving people hints rather than giving them the final code but whatever.

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zapakitul
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Posted: 31st Jul 2009 18:27
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Well, I didn't want the code, I just wanted to know what was wrong with my way of doing it! Thanks matty, but I will look over your code if I can't find a way to do it on my own. Thank you dark coder for enlightening me.
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Matty H
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Posted: 31st Jul 2009 18:33
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Strange help thread, lol.
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Necro_100000
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Posted: 31st Jul 2009 19:06
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See if this helps out...

Look at your WorldObjects loop.

Now this evaded me at first to, but if you look each WorldObjects is being calculated 9 times.

As matty halewood did try moving WorldObjects inside the loop instead of outside.

This is because as it is now your giving each WorldObject this,
1, 2, 3
1, 2, 3
1, 2, 3

Then you move onto the next WorldObject.

Another method you could look at is making int i and int j outside of the loop then just use i++ and j++ to increase your position.

Example:


with this we would get an out put of something like this where j = x and i = y...

1, 2, 3
1, 2, 3

Hope that helps but your going to have to come up with the rest of the code yourself.
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