ascii animation

This is a discussion on ascii animation within the C Programming forums, part of the General Programming Boards category; i would like to add some simple ascii animation to my application. i've seen it done with other linux based ...

  1. #1
    Registered User
    Join Date
    May 2002
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    8

    ascii animation

    i would like to add some simple ascii animation to my application. i've seen it done with other linux based console apps (which is what mine is). Here is an example; the user loads the app...

    [example]

    [jstn@twinturbo]& someapplication

    Loading configuration files... [animation here]

    Settings loaded!

    [/example]

    the animation looks like { | \ - / } except the printing is done in one space on the screen, as to give the affect that the slash is spinning. can anyone give me a snippet of code to do this in linux, and does it require you to clear the screen? i'm using gcc 3.0.4 to compile this program. thanks!

    -jstn

  2. #2
    End Of Line Hammer's Avatar
    Join Date
    Apr 2002
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    6,231
    You might want to try in the Linux forum....
    When all else fails, read the instructions.
    If you're posting code, use code tags: [code] /* insert code here */ [/code]

  3. #3
    Code Goddess Prelude's Avatar
    Join Date
    Sep 2001
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    9,796
    The code to do the animation is very simple:
    Code:
    #include <stdio.h>
    #include <time.h>
    
    void sleep ( long milli )
    {
      clock_t end, current = clock();
      for( end = current + milli; current < end; current = clock() );
    }
    
    int main ( void )
    {
      int x = 0;
      const char *barRotate = "|\\-/";
      printf ( "Loading configuration files... " );
      for ( ; ; ) {
        if ( x > 3 ) x = 0;
        printf ( "%c\b", barRotate[x++] );
        sleep ( 200 );
      }
      return 0;
    }
    You may have to create a separate process to run the animation and perform other work at the same time, this is bare bones.

    -Prelude
    My best code is written with the delete key.

  4. #4
    Registered User
    Join Date
    May 2002
    Posts
    8
    great - thanks for your help Prelude.

    -jstn

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