Subject:
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Re: My latest idea / project
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Newsgroups:
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lugnet.cad.dev
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Date:
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Mon, 9 Sep 2002 14:18:24 GMT
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Viewed:
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424 times
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In lugnet.cad.dev, Don Heyse writes:
> In lugnet.cad.dev, Eduardo Vazquez Harte writes:
> >
> > I'm working on something called "edraw"
>
> [snip]
>
> > +Move a part up, down, left, right, fordward, backwards "I need some
> > help on this"
> > +Rotate parts "I'm afraid not for now I don't have a clue on this"
>
> Have you had a trigonometry course yet? If not, a quick search of
> the internet turns up plenty of links. This one looks easy enough.
>
> http://aleph0.clarku.edu/~djoyce/java/trig/
>
> Then you'll probably need to read up on matrix math.
>
> http://www.ping.be/~ping1339/matr.htm
>
> And then finally it's on to "transformation matrices" which combine
> trigonometry and matrices. There are about a million links on the
> internet for this so you'll have to decide which you like best. You
> may also want to search for "homogeneous transformation matrices".
> LDRAW.EXE apparently doesn't use them, but they make things a bit
> easier for me.
Then for get it I'm not going to learn maths.
But what about if I make a gui design of the app
and I comment it all on what I need and you code it?
> Good luck,
>
> Don
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Message has 2 Replies:
 | | Re: My latest idea / project
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| How can I replace a numbe in a selected line of a Tlisbox? For example the second number? 1 4 0 -72 0 so that the user select a color and the it copys the same selected line of before and it does for example 1 4 0 -72 0 replace 4 for 15 1 15 0 -72 0 (...) (22 years ago, 9-Sep-02, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: My latest idea / project
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| (...) [snip] (...) Have you had a trigonometry course yet? If not, a quick search of the internet turns up plenty of links. This one looks easy enough. (URL) you'll probably need to read up on matrix math. (URL) then finally it's on to (...) (22 years ago, 9-Sep-02, to lugnet.cad.dev)
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