php/skripty/sinus_curve.php

   1 <?php
   2 //This will draw the ASCII neverending sinus curve.
   3 //Writen by (c) Harvie in 2oo6
   4 //This is script for PHP CLI (Not WebPage).
   5 //You can port it to web by replacing "/n" by "<br>/n"
   6
   7 //Settings:
   8 $start = 0;     //0 //First X
   9 $step = 0.1;    //0.1 //Increase X on every line by this number
  10 $reset = (2*PI()); //When X >= reset, then it will be reseted to zero
  11 $zoom = 1;      //1 //This will repeat every line few times
  12 $offset = 1.1;    //1.1 //1 //0 -> Zero offset will draw only half of sin curve.
  13 $width = 35;     //20 //35 //40 //This will stretch every line.
  14 $sleep = "15000";   //15000 - Wait between lines in microseconds
  15 $line = (" ");     // " " // ":" //chr ( 176 ) //This is the string, that will be repeated from display start to the curve (curve inlay).
  16 $endline = ("+\n"); // "#\n" // ".\n" //chr ( 219 )."\n" //This is the string, that will be printed at end of every line (curve outline).
  17
  18 //Code:
  19 echo ("[SinusCurve]-[c][Harvie][2oo6]\n\n");
  20 echo ("0|                                           y\n");
  21 echo ("-|--------------------------------------------->\n");
  22 echo ("x|\n");
  23 echo (" V\n\n");
  24
  25 sleep(2);
  26
  27 $pos = $start;
  28 while(1) {
  29
  30   usleep($sleep); //Wait in microseconds
  31
  32   $znaku = ((sin($pos) + $offset) * $width);
  33
  34   $zoom2 = $zoom;
  35   while ($zoom2 > 0) {
  36
  37     $znaku2 = round($znaku); //It looks better after round ;)
  38     while ($znaku2 > 0) {
  39       echo $line;
  40       $znaku2 = ($znaku2 - 1);
  41     }
  42     //echo(" ".$pos." "); //Debug
  43     echo ($endline);
  44
  45     $zoom2 = ($zoom2 - 1);
  46   }
  47
  48   //echo(" ".$pos." "); //Debug
  49   $pos = ($pos + $step);
  50   if ($pos >= $reset) {
  51     $pos = 0;
  52   }
  53
  54 }
  55 ?>