php/skripty/lomena.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 = -3;         //0 //First X
   9 $zero = 0;           //Zero line
  10 $stop = 0.5;           //Last X
  11 $step = 0.1;         //0.1 //Increase X on every line by this number
  12 $reset = "0";        //When X >= reset, then it will be reseted to $resetto (use "" to disable reset).
  13 $resetto = "0.1";    //$resetto
  14 $zoom = 1;           //1 //This will repeat every line few times
  15 $sleep = "15000";    //15000 - Wait between lines in microseconds
  16 $line = (" ");       // " " // ":" //chr ( 176 ) //This is the string, that will be repeated from display start to the curve (curve inlay).
  17 $endline = ("+\n");  // "#\n" // ".\n" //chr ( 219 )."\n" //This is the string, that will be printed at end of every line (curve outline).
  18
  19 //Function:
  20 //You can specify your function here:
  21 function func($x) {
  22
  23 $offset = 20;    //1.1 //1 //0 -> Zero offset will draw only half of sin curve.
  24 $width = 1;     //20 //35 //40 //This will stretch every line.
  25
  26 $y = ( ( (3 / $x) + $offset) * $width );
  27 //echo("Debug: ".$x." ".$y." "); //Debug
  28 return ($y);
  29
  30 }
  31
  32 //Code:
  33 echo ("[SinusCurve]-[c][Harvie][2oo6]\n\n");
  34 echo (" |                                           y\n");
  35 echo ("-|--------------------------------------------->\n");
  36 echo ("x|\n");
  37 echo (" V\n\n");
  38
  39 sleep(2);
  40
  41 //Set x to $start:
  42 $pos = $start;
  43
  44 //Drawing:
  45 while(1) {
  46
  47   //usleep($sleep); //Wait in microseconds
  48
  49   $znaku = func($pos);
  50
  51   $zoom2 = $zoom;
  52   while ($zoom2 > 0) {
  53
  54     $znaku2 = round($znaku); //It looks better after round ;)
  55     while ($znaku2 > 0) {
  56       echo $line;
  57       $znaku2 = ($znaku2 - 1);
  58     }
  59     //echo(" ".$pos); //Debug
  60     echo ($endline);
  61
  62     $zoom2 = ($zoom2 - 1);
  63   }
  64
  65   //Draw: Y axis:
  66     //echo(" ".$pos."\n"); //Debug
  67   if ($pos == $zero) {
  68     echo("-+------------------------------------------------------------>\n");
  69   }
  70
  71   //Increase X:
  72   $pos = ($pos + $step);
  73
  74   //Reset (for neverending curves, etc...):
  75   if ( ($pos >= $reset) && ($reset != "") ) {
  76     $pos = $resetto;
  77   }
  78
  79   //Stop if $stop is reached:
  80   if ($pos > $stop) {
  81     die();
  82   }
  83
  84 }
  85 ?>