php/skripty/nadruhou.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 = -6;     //0 //First X
   9 $zero = 0;      //Zero line
  10 $stop = 6;      //Last X
  11 $step = 0.5;    //0.1 //Increase X on every line by this number
  12 $reset = 50; //When X >= reset, then it will be reseted to zero
  13 $zoom = 1;      //1 //This will repeat every line few times
  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 $endline = ("+\n"); // "#\n" // ".\n" //chr ( 219 )."\n" //This is the string, that will be printed at end of every line (curve outline).
  17
  18 //Function:
  19 //You can specify your function here:
  20 function func($x) {
  21
  22 $offset = 1.1;    //1.1 //1 //0 -> Zero offset will draw only half of sin curve.
  23 $width = 2;     //20 //35 //40 //This will stretch every line.
  24
  25 $y = ( ( ($x * $x) + $offset) * $width );
  26 //echo("Debug: ".$x." ".$y." "); //Debug
  27 return ($y);
  28
  29 }
  30
  31 //Code:
  32 echo ("[SinusCurve]-[c][Harvie][2oo6]\n\n");
  33 echo (" |                                           y\n");
  34 echo ("-|--------------------------------------------->\n");
  35 echo ("x|\n");
  36 echo (" V\n\n");
  37
  38 sleep(2);
  39
  40 //Set x to $start:
  41 $pos = $start;
  42
  43 //Drawing:
  44 while(1) {
  45
  46   //usleep($sleep); //Wait in microseconds
  47
  48   $znaku = func($pos);
  49
  50   $zoom2 = $zoom;
  51   while ($zoom2 > 0) {
  52
  53     $znaku2 = round($znaku); //It looks better after round ;)
  54     while ($znaku2 > 0) {
  55       echo $line;
  56       $znaku2 = ($znaku2 - 1);
  57     }
  58     //echo(" ".$pos); //Debug
  59     echo ($endline);
  60
  61     $zoom2 = ($zoom2 - 1);
  62   }
  63
  64   //Draw: Y axis:
  65   //echo(" ".$pos."\n"); //Debug
  66   if ($pos == $zero) {
  67     echo("-+--------------------------------------------------------------------------->\n");
  68   }
  69
  70   //Increase X:
  71   $pos = ($pos + $step);
  72
  73   //Reset (for neverending curves, etc...):
  74   if ($pos >= $reset) {
  75     $pos = 0;
  76   }
  77
  78   //Stop if $stop is reached:
  79   if ($pos > $stop) {
  80     break;
  81   }
  82
  83 }
  84 ?>