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example source code
makepicture.php

    Building a game — open source code This is the actual source code from a new web game. See the game at thissideofsanity.com and read how this was built starting at example code.

    This is example code from the SlamZee project and This Side of Sanity, released under Apache License 2.0.

    Copyright 2013 Milo (for software), Distribution and website handled by Strazbick.com

    Licensed under the Apache License, Version 2.0 (the “License”); you may not use this file except in compliance with the License. You may obtain a copy of the License at

        http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

    This narrative uses anchor links so that you can follow the building of this software in chronological order. Go to software explanation to start reading. Go to thissideofsanity.com to see the working software.

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example source code
makepicture.php

    This is example code from the SlamZee project and This Side of Sanity, released under Apache License 2.0.

slot machine
first pass

    The owners wanted a slot machine effect. The visual presentation is based on the “little CSS3 experiment” by Jonathan Shook, located at http://snook.ca/technical/slots/. Please compare the original to see how easy it is to avoid reinventing the wheel. There are many great examples of starter code that you can use to expand into real projects. Look for things that are published as examples or tutorials and follow the license restrictions imposed by the original author. And always give appropriate credit, as I have done in this case.

    The slot machine effect involves a picture that is a vertical strip of eight pictures. We use this file to generate a random picture on the fly. If you do not send any GET parameters, then the picture is a random one using the celebrity database. But you can also specify each of the pictures and their order, which is great for coordinating the slot machine with otheer game elements.

<?php

/* FILE: /makepicture.php */

// include function files for this application
   require_once('./php/databasefunctions.php');
   require_once('./php/gamefunctions.php');
   require_once('./php/gameobject.php');

/* INITIALIZATIONS */
if(empty($_GET))
  { /*go away if no valid requests */

    $part1 = rand(1,100);
    $part2 = rand(1,100);
    while ($part2 == $part1)
      $part2 = rand(1,100);
    $part3 = rand(1,100);
    while ( ($part3 == $part1) OR ($part3 == $part2) )
      $part3 = rand(1,100);
    $part4 = rand(1,100);
    while ( ($part4 == $part1) OR ($part4 == $part2) OR ($part4 == $part3) )
      $part4 = rand(1,100);
    $part5 = rand(1,100);
    while ( ($part5 == $part1) OR ($part5 == $part2) OR ($part5 == $part3) OR ($part5 == $part4) )
      $part5 = rand(1,100);
    $part6 = rand(1,100);
    while ( ($part6 == $part1) OR ($part6 == $part2) OR ($part6 == $part3) OR ($part6 == $part4) OR ($part6 == $part5) )
      $part6 = rand(1,100);
    $part7 = rand(1,100);
    while ( ($part7 == $part1) OR ($part7 == $part2) OR ($part7 == $part3) OR ($part7 == $part4) OR ($part7 == $part5) OR ($part7 == $part6) )
      $part7 = rand(1,100);
    $part8 = rand(1,100);
    while ( ($part8 == $part1) OR ($part8 == $part2) OR ($part8 == $part3) OR ($part8 == $part4) OR ($part8 == $part5) OR ($part8 == $part6) OR ($part8 == $part7) )
      $part8 = rand(1,100);

  }
else
  { /*collect input from user */

    $part1 = $_GET['part1']; /* have a request to start a specific game */
    $part2 = $_GET['part2']; /* have a request to start a specific game */
    $part3 = $_GET['part3']; /* have a request to start a specific game */
    $part4 = $_GET['part4']; /* have a request to start a specific game */
    $part5 = $_GET['part5']; /* have a request to start a specific game */
    $part6 = $_GET['part6']; /* have a request to start a specific game */
    $part7 = $_GET['part7']; /* have a request to start a specific game */
    $part8 = $_GET['part8']; /* have a request to start a specific game */

  } /* END if on GET */

if ($part1 != '')
  $pict1url = GetCelebritySmallPictString($part1);
else
  $pict1url = './cpict/sh/charliesheen90.png';

if ($part2 != '')
  $pict2url = GetCelebritySmallPictString($part2);
else
  $pict2url = './cpict/lo/lindsaylohan90.png';

if ($part3 != '')
  $pict3url = GetCelebritySmallPictString($part3);
else
  $pict3url = './cpict/bi/justinbieber90.png';

if ($part4 != '')
  $pict4url = GetCelebritySmallPictString($part4);
else
  $pict4url = './cpict/cy/mileycyrus90.png';

if ($part5 != '')
  $pict5url = GetCelebritySmallPictString($part5);
else
  $pict5url = './cpict/ga/ladygaga90.png';

if ($part6 != '')
  $pict6url = GetCelebritySmallPictString($part6);
else
  $pict6url = './cpict/li/snooplion90.png';

if ($part7 != '')
  $pict7url = GetCelebritySmallPictString($part7);
else
  $pict7url = './cpict/mi/nickiminaj90.png';

if ($part8 != '')
  $pict8url = GetCelebritySmallPictString($part8);
else
  $pict8url = './cpict/we/kanyewest90.png';




$image = imageCreateTrueColor(100, 640);

$white = imageColorAllocate($image, 255, 255, 255);
imageFill($image, 0, 0, $white);

$person1 = imageCreateFromPNG($pict1url);
imageCopyMerge($image, $person1, 10, 0, 0, 0, 80, 80, 100);

$person2 = imageCreateFromPNG($pict2url);
imageCopyMerge($image, $person2, 10, 81, 0, 0, 80, 80, 100);

$person3 = imageCreateFromPNG($pict3url);
imageCopyMerge($image, $person3, 10, 162, 0, 2, 80, 80, 100);

$person4 = imageCreateFromPNG($pict4url);
imageCopyMerge($image, $person4, 10, 243, 0, 0, 80, 80, 100);

$person5 = imageCreateFromPNG($pict5url);
imageCopyMerge($image, $person5, 10, 324, 0, 0, 80, 80, 100);

$person6 = imageCreateFromPNG($pict6url);
imageCopyMerge($image, $person6, 10, 405, 0, 0, 80, 80, 100);

$person7 = imageCreateFromPNG($pict7url);
imageCopyMerge($image, $person7, 10, 486, 0, 0, 80, 80, 100);

$person8 = imageCreateFromPNG($pict8url);
imageCopyMerge($image, $person8, 10, 567, 3, 0, 80, 80, 100);

header('Content-Type: image/png');

imagePNG($image, '', 0, PNG_NO_FILTER);

imageDestroy($image);
imageDestroy($person1);
imageDestroy($person2);
imageDestroy($person3);
imageDestroy($person4);
imageDestroy($person5);
imageDestroy($person6);
imageDestroy($person7);
imageDestroy($person8);

/* TESTING
echo 'picture 1 url is '.$pict1url.'<br>';
echo 'picture 2 url is '.$pict2url.'<br>';
echo 'picture 3 url is '.$pict3url.'<br>';
echo 'picture 4 url is '.$pict4url.'<br>';
echo 'picture 5 url is '.$pict5url.'<br>';
echo 'picture 6 url is '.$pict6url.'<br>';
echo 'picture 7 url is '.$pict7url.'<br>';
echo 'picture 8 url is '.$pict8url.'<br>';
TESTING */

?>

return to explanation of source code

combining slot machine into whole game
second pass

    Reworked code.

<?php

/* FILE: /makepicture.php */

// include function files for this application
   require_once('./php/databasefunctions.php');
   require_once('./php/gamefunctions.php');
   require_once('./php/gameobject.php');

/* INITIALIZATIONS */
if(empty($_GET))
  { /*go away if no valid requests */

    $part1 = rand(1,100);
    $part2 = rand(1,100);
    while ($part2 == $part1)
      $part2 = rand(1,100);
    $part3 = rand(1,100);
    while ( ($part3 == $part1) OR ($part3 == $part2) )
      $part3 = rand(1,100);
    $part4 = rand(1,100);
    while ( ($part4 == $part1) OR ($part4 == $part2) OR ($part4 == $part3) )
      $part4 = rand(1,100);
    $part5 = rand(1,100);
    while ( ($part5 == $part1) OR ($part5 == $part2) OR ($part5 == $part3) OR ($part5 == $part4) )
      $part5 = rand(1,100);
    $part6 = rand(1,100);
    while ( ($part6 == $part1) OR ($part6 == $part2) OR ($part6 == $part3) OR ($part6 == $part4) OR ($part6 == $part5) )
      $part6 = rand(1,100);
    $part7 = rand(1,100);
    while ( ($part7 == $part1) OR ($part7 == $part2) OR ($part7 == $part3) OR ($part7 == $part4) OR ($part7 == $part5) OR ($part7 == $part6) )
      $part7 = rand(1,100);
    $part8 = rand(1,100);
    while ( ($part8 == $part1) OR ($part8 == $part2) OR ($part8 == $part3) OR ($part8 == $part4) OR ($part8 == $part5) OR ($part8 == $part6) OR ($part8 == $part7) )
      $part8 = rand(1,100);

  }
else
  { /*collect input from user */

    $part1 = $_GET['part1']; /* have a request to start a specific game */
    $part2 = $_GET['part2']; /* have a request to start a specific game */
    $part3 = $_GET['part3']; /* have a request to start a specific game */
    $part4 = $_GET['part4']; /* have a request to start a specific game */
    $part5 = $_GET['part5']; /* have a request to start a specific game */
    $part6 = $_GET['part6']; /* have a request to start a specific game */
    $part7 = $_GET['part7']; /* have a request to start a specific game */
    $part8 = $_GET['part8']; /* have a request to start a specific game */

  } /* END if on GET */

if ($part1 != '')
  $pict1url = GetCelebritySmallPictString($part1);
else
  $pict1url = './cpict/sh/charliesheen90.png';

if ($part2 != '')
  $pict2url = GetCelebritySmallPictString($part2);
else
  $pict2url = './cpict/lo/lindsaylohan90.png';

if ($part3 != '')
  $pict3url = GetCelebritySmallPictString($part3);
else
  $pict3url = './cpict/bi/justinbieber90.png';

if ($part4 != '')
  $pict4url = GetCelebritySmallPictString($part4);
else
  $pict4url = './cpict/cy/mileycyrus90.png';

if ($part5 != '')
  $pict5url = GetCelebritySmallPictString($part5);
else
  $pict5url = './cpict/ga/ladygaga90.png';

if ($part6 != '')
  $pict6url = GetCelebritySmallPictString($part6);
else
  $pict6url = './cpict/li/snooplion90.png';

if ($part7 != '')
  $pict7url = GetCelebritySmallPictString($part7);
else
  $pict7url = './cpict/mi/nickiminaj90.png';

if ($part8 != '')
  $pict8url = GetCelebritySmallPictString($part8);
else
  $pict8url = './cpict/we/kanyewest90.png';




$image = imageCreateTrueColor(100, 640);

$white = imageColorAllocate($image, 255, 255, 255);
imageFill($image, 0, 0, $white);

$person1 = imageCreateFromPNG($pict1url);
imageCopyMerge($image, $person1, 10, 0, 0, 0, 80, 80, 100);

$person2 = imageCreateFromPNG($pict2url);
imageCopyMerge($image, $person2, 10, 81, 0, 0, 80, 80, 100);

$person3 = imageCreateFromPNG($pict3url);
imageCopyMerge($image, $person3, 10, 162, 0, 2, 80, 80, 100);

$person4 = imageCreateFromPNG($pict4url);
imageCopyMerge($image, $person4, 10, 243, 0, 0, 80, 80, 100);

$person5 = imageCreateFromPNG($pict5url);
imageCopyMerge($image, $person5, 10, 324, 0, 0, 80, 80, 100);

$person6 = imageCreateFromPNG($pict6url);
imageCopyMerge($image, $person6, 10, 405, 0, 0, 80, 80, 100);

$person7 = imageCreateFromPNG($pict7url);
imageCopyMerge($image, $person7, 10, 486, 0, 0, 80, 80, 100);

$person8 = imageCreateFromPNG($pict8url);
imageCopyMerge($image, $person8, 10, 567, 3, 0, 80, 80, 100);

header('Content-Type: image/png');

imagePNG($image, '', 0, PNG_NO_FILTER);

imageDestroy($image);
imageDestroy($person1);
imageDestroy($person2);
imageDestroy($person3);
imageDestroy($person4);
imageDestroy($person5);
imageDestroy($person6);
imageDestroy($person7);
imageDestroy($person8);

/* TESTING
echo 'picture 1 url is '.$pict1url.'<br>';
echo 'picture 2 url is '.$pict2url.'<br>';
echo 'picture 3 url is '.$pict3url.'<br>';
echo 'picture 4 url is '.$pict4url.'<br>';
echo 'picture 5 url is '.$pict5url.'<br>';
echo 'picture 6 url is '.$pict6url.'<br>';
echo 'picture 7 url is '.$pict7url.'<br>';
echo 'picture 8 url is '.$pict8url.'<br>';
TESTING */

?>

return to explanation of source code

shrink width of slots
third pass

    Shrink the size of the slots to fit in portrait format on smart phones.

$image = imageCreateTrueColor(90, 640);

$white = imageColorAllocate($image, 255, 255, 255);
imageFill($image, 0, 0, $white);

$person1 = imageCreateFromPNG($pict1url);
imageCopyMerge($image, $person1, 5, 0, 0, 0, 80, 80, 100);

$person2 = imageCreateFromPNG($pict2url);
imageCopyMerge($image, $person2, 5, 81, 0, 0, 80, 80, 100);

$person3 = imageCreateFromPNG($pict3url);
imageCopyMerge($image, $person3, 5, 162, 0, 2, 80, 80, 100);

$person4 = imageCreateFromPNG($pict4url);
imageCopyMerge($image, $person4, 5, 243, 0, 0, 80, 80, 100);

$person5 = imageCreateFromPNG($pict5url);
imageCopyMerge($image, $person5, 5, 324, 0, 0, 80, 80, 100);

$person6 = imageCreateFromPNG($pict6url);
imageCopyMerge($image, $person6, 5, 405, 0, 0, 80, 80, 100);

$person7 = imageCreateFromPNG($pict7url);
imageCopyMerge($image, $person7, 5, 486, 0, 0, 80, 80, 100);

$person8 = imageCreateFromPNG($pict8url);
imageCopyMerge($image, $person8, 5, 567, 3, 0, 80, 80, 100);

return to explanation of source code


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    Last Updated:December 27, 2013

    Created: November 18, 2013

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