"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
-<!-- 2025-07-29 ti 03:07 -->
+<!-- 2025-07-29 ti 04:01 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Fractals</title>
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
-<li><a href="#org9daf269">1. Fractal circles</a></li>
-<li><a href="#org899c436">2. Fractal circles animated</a></li>
-<li><a href="#org7c10a33">3. Fractal of squares</a></li>
-<li><a href="#orgd51d159">4. Fractal of squares animated</a></li>
-<li><a href="#orgeb0731d">5. Fractal of trees</a></li>
+<li><a href="#orgc02cae4">1. Fractal circles</a></li>
+<li><a href="#org76aadf4">2. Fractal circles animated</a></li>
+<li><a href="#org0b23324">3. Fractal of squares</a></li>
+<li><a href="#orgc4024a2">4. Fractal of squares animated</a></li>
+<li><a href="#org3766139">5. Fractal of trees</a></li>
</ul>
</div>
</div>
</style>
-<div id="outline-container-org9daf269" class="outline-2">
-<h2 id="org9daf269"><span class="section-number-2">1.</span> Fractal circles</h2>
+<div id="outline-container-orgc02cae4" class="outline-2">
+<h2 id="orgc02cae4"><span class="section-number-2">1.</span> Fractal circles</h2>
<div class="outline-text-2" id="text-1">
<p>
This QBasic program generates a visually captivating spiral fractal
</p>
-<div id="orgd7ba7e1" class="figure">
+<div id="orgd3f9b1b" class="figure">
<p><a href="fractal circles.bas" class="responsive-img"><img src="fractal%20circles.png" alt="fractal%20circles.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-org899c436" class="outline-2">
-<h2 id="org899c436"><span class="section-number-2">2.</span> Fractal circles animated</h2>
+<div id="outline-container-org76aadf4" class="outline-2">
+<h2 id="org76aadf4"><span class="section-number-2">2.</span> Fractal circles animated</h2>
<div class="outline-text-2" id="text-2">
<p>
This QBasic program creates an animated fractal composed of circles,
</div>
</div>
-<div id="outline-container-org7c10a33" class="outline-2">
-<h2 id="org7c10a33"><span class="section-number-2">3.</span> Fractal of squares</h2>
+<div id="outline-container-org0b23324" class="outline-2">
+<h2 id="org0b23324"><span class="section-number-2">3.</span> Fractal of squares</h2>
<div class="outline-text-2" id="text-3">
<p>
This QBasic program generates and displays a fractal pattern composed of squares.
</p>
-<div id="orgcc61450" class="figure">
+<div id="orge09eae3" class="figure">
<p><a href="fractal squares.bas" class="responsive-img"><img src="fractal%20squares,%201.png" alt="fractal%20squares,%201.png" class="responsive-img" /></a>
</p>
</div>
-<div id="orgb9604e5" class="figure">
+<div id="orgd0efdc8" class="figure">
<p><a href="fractal squares.bas" class="responsive-img"><img src="fractal%20squares,%202.png" alt="fractal%20squares,%202.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-orgd51d159" class="outline-2">
-<h2 id="orgd51d159"><span class="section-number-2">4.</span> Fractal of squares animated</h2>
+<div id="outline-container-orgc4024a2" class="outline-2">
+<h2 id="orgc4024a2"><span class="section-number-2">4.</span> Fractal of squares animated</h2>
<div class="outline-text-2" id="text-4">
<p>
This QBasic program generates an animated fractal pattern composed of
</div>
</div>
-<div id="outline-container-orgeb0731d" class="outline-2">
-<h2 id="orgeb0731d"><span class="section-number-2">5.</span> Fractal of trees</h2>
+<div id="outline-container-org3766139" class="outline-2">
+<h2 id="org3766139"><span class="section-number-2">5.</span> Fractal of trees</h2>
<div class="outline-text-2" id="text-5">
<p>
QBasic program that generates a visually appealing fractal tree
</div>
</div>
<div id="postamble" class="status">
-<p class="date">Created: 2025-07-29 ti 03:07</p>
+<p class="date">Created: 2025-07-29 ti 04:01</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
-<!-- 2025-07-29 ti 03:07 -->
+<!-- 2025-07-29 ti 04:01 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Spiral series</title>
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
-<li><a href="#orgbe5e451">1. Spiral with increasing density</a></li>
-<li><a href="#org42e9442">2. Spiral with varying height</a></li>
-<li><a href="#org08ffd8d">3. Shaded spiral</a></li>
-<li><a href="#orgd4086ff">4. Sphere forming spiral</a></li>
-<li><a href="#org13d5094">5. Textured spherical spiral</a></li>
-<li><a href="#org8095c2a">6. Textured and shaded spherical spiral</a></li>
+<li><a href="#org37dc4fc">1. Spiral with increasing density</a></li>
+<li><a href="#org21cbf7d">2. Spiral with varying height</a></li>
+<li><a href="#org33d7607">3. Shaded spiral</a></li>
+<li><a href="#orga2665a9">4. Sphere forming spiral</a></li>
+<li><a href="#org5bf395e">5. Textured spherical spiral</a></li>
+<li><a href="#orgcf7ac5e">6. Textured and shaded spherical spiral</a></li>
</ul>
</div>
</div>
}
</style>
-<div id="outline-container-orgbe5e451" class="outline-2">
-<h2 id="orgbe5e451"><span class="section-number-2">1.</span> Spiral with increasing density</h2>
+<div id="outline-container-org37dc4fc" class="outline-2">
+<h2 id="org37dc4fc"><span class="section-number-2">1.</span> Spiral with increasing density</h2>
<div class="outline-text-2" id="text-1">
-<div id="orgdd274fd" class="figure">
+<div id="orge739dce" class="figure">
<p><img src="spiral.png" alt="spiral.png" class="responsive-img" />
</p>
</div>
</div>
</div>
-<div id="outline-container-org42e9442" class="outline-2">
-<h2 id="org42e9442"><span class="section-number-2">2.</span> Spiral with varying height</h2>
+<div id="outline-container-org21cbf7d" class="outline-2">
+<h2 id="org21cbf7d"><span class="section-number-2">2.</span> Spiral with varying height</h2>
<div class="outline-text-2" id="text-2">
-<div id="org3c75287" class="figure">
+<div id="orgd75b06a" class="figure">
<p><img src="spiral, 2.png" alt="spiral, 2.png" class="responsive-img" />
</p>
</div>
</div>
</div>
-<div id="outline-container-org08ffd8d" class="outline-2">
-<h2 id="org08ffd8d"><span class="section-number-2">3.</span> Shaded spiral</h2>
+<div id="outline-container-org33d7607" class="outline-2">
+<h2 id="org33d7607"><span class="section-number-2">3.</span> Shaded spiral</h2>
<div class="outline-text-2" id="text-3">
-<div id="org4e0dbfa" class="figure">
+<div id="org654d11c" class="figure">
<p><img src="spiral, 3.png" alt="spiral, 3.png" class="responsive-img" />
</p>
</div>
</div>
</div>
-<div id="outline-container-orgd4086ff" class="outline-2">
-<h2 id="orgd4086ff"><span class="section-number-2">4.</span> Sphere forming spiral</h2>
+<div id="outline-container-orga2665a9" class="outline-2">
+<h2 id="orga2665a9"><span class="section-number-2">4.</span> Sphere forming spiral</h2>
<div class="outline-text-2" id="text-4">
<p>
Similar to previous spiral, Line segments are connected between the
</p>
-<div id="org338ca23" class="figure">
+<div id="org251eeee" class="figure">
<p><img src="spiral, 4, 1.png" alt="spiral, 4, 1.png" class="responsive-img" />
</p>
</div>
</p>
-<div id="org6ad966c" class="figure">
+<div id="org65c625b" class="figure">
<p><img src="spiral, 4, 2.png" alt="spiral, 4, 2.png" class="responsive-img" />
</p>
</div>
</div>
</div>
-<div id="outline-container-org13d5094" class="outline-2">
-<h2 id="org13d5094"><span class="section-number-2">5.</span> Textured spherical spiral</h2>
+<div id="outline-container-org5bf395e" class="outline-2">
+<h2 id="org5bf395e"><span class="section-number-2">5.</span> Textured spherical spiral</h2>
<div class="outline-text-2" id="text-5">
-<div id="org30c81d4" class="figure">
+<div id="orge059dcd" class="figure">
<p><img src="spiral, 5.png" alt="spiral, 5.png" class="responsive-img" />
</p>
</div>
</div>
</div>
-<div id="outline-container-org8095c2a" class="outline-2">
-<h2 id="org8095c2a"><span class="section-number-2">6.</span> Textured and shaded spherical spiral</h2>
+<div id="outline-container-orgcf7ac5e" class="outline-2">
+<h2 id="orgcf7ac5e"><span class="section-number-2">6.</span> Textured and shaded spherical spiral</h2>
<div class="outline-text-2" id="text-6">
-<div id="org2bf0668" class="figure">
+<div id="org393ef59" class="figure">
<p><img src="spiral, 6.png" alt="spiral, 6.png" class="responsive-img" />
</p>
</div>
</div>
</div>
<div id="postamble" class="status">
-<p class="date">Created: 2025-07-29 ti 03:07</p>
+<p class="date">Created: 2025-07-29 ti 04:01</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
-<!-- 2025-07-29 ti 03:07 -->
+<!-- 2025-07-29 ti 04:01 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Algorithmic textures</title>
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
-<li><a href="#org91fa02c">1. Circular waves</a></li>
-<li><a href="#org6016d80">2. Diamond square clouds</a></li>
-<li><a href="#orgd87ac34">3. Old paper</a></li>
-<li><a href="#orgeee80bf">4. Wood</a></li>
-<li><a href="#orgaf13ba6">5. Yellow flame</a></li>
+<li><a href="#org7eb216c">1. Circular waves</a></li>
+<li><a href="#org7458cec">2. Diamond square clouds</a></li>
+<li><a href="#orgea6166a">3. Old paper</a></li>
+<li><a href="#orgc06c2bc">4. Wood</a></li>
+<li><a href="#orgae633e6">5. Yellow flame</a></li>
</ul>
</div>
</div>
}
</style>
-<div id="outline-container-org91fa02c" class="outline-2">
-<h2 id="org91fa02c"><span class="section-number-2">1.</span> Circular waves</h2>
+<div id="outline-container-org7eb216c" class="outline-2">
+<h2 id="org7eb216c"><span class="section-number-2">1.</span> Circular waves</h2>
<div class="outline-text-2" id="text-1">
<p>
This QBasic program creates visually captivating circular wave
</div>
</div>
-<div id="outline-container-org6016d80" class="outline-2">
-<h2 id="org6016d80"><span class="section-number-2">2.</span> Diamond square clouds</h2>
+<div id="outline-container-org7458cec" class="outline-2">
+<h2 id="org7458cec"><span class="section-number-2">2.</span> Diamond square clouds</h2>
<div class="outline-text-2" id="text-2">
<p>
This QBasic program demonstrates the Diamond-Square algorithm, a
</div>
</div>
-<div id="outline-container-orgd87ac34" class="outline-2">
-<h2 id="orgd87ac34"><span class="section-number-2">3.</span> Old paper</h2>
+<div id="outline-container-orgea6166a" class="outline-2">
+<h2 id="orgea6166a"><span class="section-number-2">3.</span> Old paper</h2>
<div class="outline-text-2" id="text-3">
<p>
This QBasic program generates a procedural texture that simulates the
</div>
</div>
-<div id="outline-container-orgeee80bf" class="outline-2">
-<h2 id="orgeee80bf"><span class="section-number-2">4.</span> Wood</h2>
+<div id="outline-container-orgc06c2bc" class="outline-2">
+<h2 id="orgc06c2bc"><span class="section-number-2">4.</span> Wood</h2>
<div class="outline-text-2" id="text-4">
<p>
This QBasic program creates a visually appealing simulation of a wood
</div>
</div>
-<div id="outline-container-orgaf13ba6" class="outline-2">
-<h2 id="orgaf13ba6"><span class="section-number-2">5.</span> Yellow flame</h2>
+<div id="outline-container-orgae633e6" class="outline-2">
+<h2 id="orgae633e6"><span class="section-number-2">5.</span> Yellow flame</h2>
<div class="outline-text-2" id="text-5">
<p>
"Yellow Flame" is a visually captivating program written in QBasic
</div>
</div>
<div id="postamble" class="status">
-<p class="date">Created: 2025-07-29 ti 03:07</p>
+<p class="date">Created: 2025-07-29 ti 04:01</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
-<!-- 2025-07-29 ti 03:08 -->
+<!-- 2025-07-29 ti 04:02 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>3D Synthezier</title>
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
-<li><a href="#org1c25da5">1. Operating principle</a>
+<li><a href="#orgab04fe6">1. Operating principle</a>
<ul>
-<li><a href="#org151ba78">1.1. Rectangular city</a></li>
-<li><a href="#org5a5682d">1.2. Hexagonal city</a></li>
+<li><a href="#org9be13a4">1.1. Rectangular city</a></li>
+<li><a href="#org36839f3">1.2. Hexagonal city</a></li>
</ul>
</li>
-<li><a href="#orgbf4536a">2. Scene description language</a>
+<li><a href="#org30ca50e">2. Scene description language</a>
<ul>
-<li><a href="#org9ce3ce1">2.1. here</a></li>
-<li><a href="#org20a3f10">2.2. p</a></li>
-<li><a href="#org8539fb7">2.3. f</a></li>
-<li><a href="#orgcb0bb43">2.4. warn</a></li>
-<li><a href="#org67c4bf9">2.5. end</a></li>
-<li><a href="#orgac7f6a8">2.6. mtl</a></li>
-<li><a href="#orgf12132b">2.7. mtlrnd</a></li>
-<li><a href="#org97b7b25">2.8. obj</a></li>
-<li><a href="#org8c1f01d">2.9. rnd</a></li>
-<li><a href="#org80b1639">2.10. #</a></li>
-<li><a href="#org3e586a1">2.11. out</a></li>
-<li><a href="#org7ed97e5">2.12. set</a></li>
-<li><a href="#orgcee2857">2.13. variables usage</a></li>
-<li><a href="#org0ddfdf3">2.14. cmp</a></li>
-<li><a href="#org59d6e09">2.15. ?</a></li>
-<li><a href="#org23411ad">2.16. dum</a></li>
+<li><a href="#org0d24bd7">2.1. here</a></li>
+<li><a href="#org6ab5d55">2.2. p</a></li>
+<li><a href="#orgbfd2ca4">2.3. f</a></li>
+<li><a href="#org506845e">2.4. warn</a></li>
+<li><a href="#org6679f47">2.5. end</a></li>
+<li><a href="#orgc9c802d">2.6. mtl</a></li>
+<li><a href="#org73b0665">2.7. mtlrnd</a></li>
+<li><a href="#org7c6cb2b">2.8. obj</a></li>
+<li><a href="#org45b3b8b">2.9. rnd</a></li>
+<li><a href="#org3a49053">2.10. #</a></li>
+<li><a href="#org6aead6d">2.11. out</a></li>
+<li><a href="#org4ecb55a">2.12. set</a></li>
+<li><a href="#orgf032278">2.13. variables usage</a></li>
+<li><a href="#org1566459">2.14. cmp</a></li>
+<li><a href="#org53928e5">2.15. ?</a></li>
+<li><a href="#orgf90eb28">2.16. dum</a></li>
</ul>
</li>
-<li><a href="#org3bba71b">3. Installation</a>
+<li><a href="#orgde3ed20">3. Installation</a>
<ul>
-<li><a href="#org908b6f7">3.1. System requirements</a></li>
-<li><a href="#orgc19c8f1">3.2. Directory layout</a></li>
+<li><a href="#orgfa97fc7">3.1. System requirements</a></li>
+<li><a href="#org48bad96">3.2. Directory layout</a></li>
</ul>
</li>
-<li><a href="#org35f0d1e">4. Usage</a></li>
+<li><a href="#org3cec799">4. Usage</a></li>
</ul>
</div>
</div>
</style>
-<div id="outline-container-org1c25da5" class="outline-2">
-<h2 id="org1c25da5"><span class="section-number-2">1.</span> Operating principle</h2>
+<div id="outline-container-orgab04fe6" class="outline-2">
+<h2 id="orgab04fe6"><span class="section-number-2">1.</span> Operating principle</h2>
<div class="outline-text-2" id="text-1">
<p>
Parses scene definition language and creates 3D world based on
</p>
</div>
-<div id="outline-container-org151ba78" class="outline-3">
-<h3 id="org151ba78"><span class="section-number-3">1.1.</span> Rectangular city</h3>
+<div id="outline-container-org9be13a4" class="outline-3">
+<h3 id="org9be13a4"><span class="section-number-3">1.1.</span> Rectangular city</h3>
<div class="outline-text-3" id="text-1-1">
-<div id="org90c6e66" class="figure">
+<div id="orgf8acc50" class="figure">
<p><img src="rectangular city, 1.jpeg" alt="rectangular city, 1.jpeg" class="responsive-img" />
</p>
</div>
-<div id="orgc1cff23" class="figure">
+<div id="org863e43c" class="figure">
<p><img src="rectangular city, 2.jpeg" alt="rectangular city, 2.jpeg" class="responsive-img" />
</p>
</div>
-<div id="orgefc4043" class="figure">
+<div id="org19a0808" class="figure">
<p><img src="rectangular city, 3.jpeg" alt="rectangular city, 3.jpeg" class="responsive-img" />
</p>
</div>
</div>
</div>
-<div id="outline-container-org5a5682d" class="outline-3">
-<h3 id="org5a5682d"><span class="section-number-3">1.2.</span> Hexagonal city</h3>
+<div id="outline-container-org36839f3" class="outline-3">
+<h3 id="org36839f3"><span class="section-number-3">1.2.</span> Hexagonal city</h3>
<div class="outline-text-3" id="text-1-2">
-<div id="orgeac3b31" class="figure">
+<div id="org2b6d320" class="figure">
<p><img src="hexagonal city, 1.jpeg" alt="hexagonal city, 1.jpeg" class="responsive-img" />
</p>
</div>
-<div id="org0bb6894" class="figure">
+<div id="orgc07a92e" class="figure">
<p><img src="hexagonal city, 2.jpeg" alt="hexagonal city, 2.jpeg" class="responsive-img" />
</p>
</div>
-<div id="org722f7cd" class="figure">
+<div id="org3696bf6" class="figure">
<p><img src="hexagonal city, 3.jpeg" alt="hexagonal city, 3.jpeg" class="responsive-img" />
</p>
</div>
</div>
</div>
</div>
-<div id="outline-container-orgbf4536a" class="outline-2">
-<h2 id="orgbf4536a"><span class="section-number-2">2.</span> Scene description language</h2>
+<div id="outline-container-org30ca50e" class="outline-2">
+<h2 id="org30ca50e"><span class="section-number-2">2.</span> Scene description language</h2>
<div class="outline-text-2" id="text-2">
<p>
See also examples.
</p>
</div>
-<div id="outline-container-org9ce3ce1" class="outline-3">
-<h3 id="org9ce3ce1"><span class="section-number-3">2.1.</span> here</h3>
+<div id="outline-container-org0d24bd7" class="outline-3">
+<h3 id="org0d24bd7"><span class="section-number-3">2.1.</span> here</h3>
<div class="outline-text-3" id="text-2-1">
<pre class="example">
here
</p>
</div>
</div>
-<div id="outline-container-org20a3f10" class="outline-3">
-<h3 id="org20a3f10"><span class="section-number-3">2.2.</span> p</h3>
+<div id="outline-container-org6ab5d55" class="outline-3">
+<h3 id="org6ab5d55"><span class="section-number-3">2.2.</span> p</h3>
<div class="outline-text-3" id="text-2-2">
<pre class="example">
p x y z
</p>
</div>
</div>
-<div id="outline-container-org8539fb7" class="outline-3">
-<h3 id="org8539fb7"><span class="section-number-3">2.3.</span> f</h3>
+<div id="outline-container-orgbfd2ca4" class="outline-3">
+<h3 id="orgbfd2ca4"><span class="section-number-3">2.3.</span> f</h3>
<div class="outline-text-3" id="text-2-3">
<pre class="example">
f p1 p2 p3 p4
</p>
</div>
</div>
-<div id="outline-container-orgcb0bb43" class="outline-3">
-<h3 id="orgcb0bb43"><span class="section-number-3">2.4.</span> warn</h3>
+<div id="outline-container-org506845e" class="outline-3">
+<h3 id="org506845e"><span class="section-number-3">2.4.</span> warn</h3>
<div class="outline-text-3" id="text-2-4">
<pre class="example">
warn <message>
</p>
</div>
</div>
-<div id="outline-container-org67c4bf9" class="outline-3">
-<h3 id="org67c4bf9"><span class="section-number-3">2.5.</span> end</h3>
+<div id="outline-container-org6679f47" class="outline-3">
+<h3 id="org6679f47"><span class="section-number-3">2.5.</span> end</h3>
<div class="outline-text-3" id="text-2-5">
<pre class="example">
end
</p>
</div>
</div>
-<div id="outline-container-orgac7f6a8" class="outline-3">
-<h3 id="orgac7f6a8"><span class="section-number-3">2.6.</span> mtl</h3>
+<div id="outline-container-orgc9c802d" class="outline-3">
+<h3 id="orgc9c802d"><span class="section-number-3">2.6.</span> mtl</h3>
<div class="outline-text-3" id="text-2-6">
<pre class="example">
mtl material
</p>
</div>
</div>
-<div id="outline-container-orgf12132b" class="outline-3">
-<h3 id="orgf12132b"><span class="section-number-3">2.7.</span> mtlrnd</h3>
+<div id="outline-container-org73b0665" class="outline-3">
+<h3 id="org73b0665"><span class="section-number-3">2.7.</span> mtlrnd</h3>
<div class="outline-text-3" id="text-2-7">
<pre class="example">
mtlrnd material ...
</p>
</div>
</div>
-<div id="outline-container-org97b7b25" class="outline-3">
-<h3 id="org97b7b25"><span class="section-number-3">2.8.</span> obj</h3>
+<div id="outline-container-org7c6cb2b" class="outline-3">
+<h3 id="org7c6cb2b"><span class="section-number-3">2.8.</span> obj</h3>
<div class="outline-text-3" id="text-2-8">
<pre class="example">
obj object xz45 xy20 x+3 y*2
</p>
-<div id="orgec9566e" class="figure">
+<div id="orgf0d2950" class="figure">
<p><img src="rotation.png" alt="rotation.png" />
</p>
</div>
</div>
</div>
-<div id="outline-container-org8c1f01d" class="outline-3">
-<h3 id="org8c1f01d"><span class="section-number-3">2.9.</span> rnd</h3>
+<div id="outline-container-org45b3b8b" class="outline-3">
+<h3 id="org45b3b8b"><span class="section-number-3">2.9.</span> rnd</h3>
<div class="outline-text-3" id="text-2-9">
<pre class="example">
rnd p^1^2^3 p^7^2^1
</p>
</div>
</div>
-<div id="outline-container-org80b1639" class="outline-3">
-<h3 id="org80b1639"><span class="section-number-3">2.10.</span> #</h3>
+<div id="outline-container-org3a49053" class="outline-3">
+<h3 id="org3a49053"><span class="section-number-3">2.10.</span> #</h3>
<div class="outline-text-3" id="text-2-10">
<pre class="example">
# whatever text
</p>
</div>
</div>
-<div id="outline-container-org3e586a1" class="outline-3">
-<h3 id="org3e586a1"><span class="section-number-3">2.11.</span> out</h3>
+<div id="outline-container-org6aead6d" class="outline-3">
+<h3 id="org6aead6d"><span class="section-number-3">2.11.</span> out</h3>
<div class="outline-text-3" id="text-2-11">
<pre class="example">
out file
</p>
</div>
</div>
-<div id="outline-container-org7ed97e5" class="outline-3">
-<h3 id="org7ed97e5"><span class="section-number-3">2.12.</span> set</h3>
+<div id="outline-container-org4ecb55a" class="outline-3">
+<h3 id="org4ecb55a"><span class="section-number-3">2.12.</span> set</h3>
<div class="outline-text-3" id="text-2-12">
<pre class="example">
set variable contents
</p>
</div>
</div>
-<div id="outline-container-orgcee2857" class="outline-3">
-<h3 id="orgcee2857"><span class="section-number-3">2.13.</span> variables usage</h3>
+<div id="outline-container-orgf032278" class="outline-3">
+<h3 id="orgf032278"><span class="section-number-3">2.13.</span> variables usage</h3>
<div class="outline-text-3" id="text-2-13">
<pre class="example">
anycommand %1 anything
</p>
</div>
</div>
-<div id="outline-container-org0ddfdf3" class="outline-3">
-<h3 id="org0ddfdf3"><span class="section-number-3">2.14.</span> cmp</h3>
+<div id="outline-container-org1566459" class="outline-3">
+<h3 id="org1566459"><span class="section-number-3">2.14.</span> cmp</h3>
<div class="outline-text-3" id="text-2-14">
<pre class="example">
cmp flag string1 string2
</p>
</div>
</div>
-<div id="outline-container-org59d6e09" class="outline-3">
-<h3 id="org59d6e09"><span class="section-number-3">2.15.</span> ?</h3>
+<div id="outline-container-org53928e5" class="outline-3">
+<h3 id="org53928e5"><span class="section-number-3">2.15.</span> ?</h3>
<div class="outline-text-3" id="text-2-15">
<pre class="example">
?flag anycommand
</p>
</div>
</div>
-<div id="outline-container-org23411ad" class="outline-3">
-<h3 id="org23411ad"><span class="section-number-3">2.16.</span> dum</h3>
+<div id="outline-container-orgf90eb28" class="outline-3">
+<h3 id="orgf90eb28"><span class="section-number-3">2.16.</span> dum</h3>
<div class="outline-text-3" id="text-2-16">
<pre class="example">
dum
</div>
</div>
-<div id="outline-container-org3bba71b" class="outline-2">
-<h2 id="org3bba71b"><span class="section-number-2">3.</span> Installation</h2>
+<div id="outline-container-orgde3ed20" class="outline-2">
+<h2 id="orgde3ed20"><span class="section-number-2">3.</span> Installation</h2>
<div class="outline-text-2" id="text-3">
<p>
Edit <b>bin/3dparse.bas</b> file and update include path in there.
</p>
</div>
-<div id="outline-container-org908b6f7" class="outline-3">
-<h3 id="org908b6f7"><span class="section-number-3">3.1.</span> System requirements</h3>
+<div id="outline-container-orgfa97fc7" class="outline-3">
+<h3 id="orgfa97fc7"><span class="section-number-3">3.1.</span> System requirements</h3>
<div class="outline-text-3" id="text-3-1">
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
</div>
</div>
-<div id="outline-container-orgc19c8f1" class="outline-3">
-<h3 id="orgc19c8f1"><span class="section-number-3">3.2.</span> Directory layout</h3>
+<div id="outline-container-org48bad96" class="outline-3">
+<h3 id="org48bad96"><span class="section-number-3">3.2.</span> Directory layout</h3>
<div class="outline-text-3" id="text-3-2">
<dl class="org-dl">
<dt>bin</dt><dd><dl class="org-dl">
</div>
</div>
-<div id="outline-container-org35f0d1e" class="outline-2">
-<h2 id="org35f0d1e"><span class="section-number-2">4.</span> Usage</h2>
+<div id="outline-container-org3cec799" class="outline-2">
+<h2 id="org3cec799"><span class="section-number-2">4.</span> Usage</h2>
<div class="outline-text-2" id="text-4">
<p>
Make sure you have QB binaries in your PATH. Execute
</div>
</div>
<div id="postamble" class="status">
-<p class="date">Created: 2025-07-29 ti 03:08</p>
+<p class="date">Created: 2025-07-29 ti 04:02</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
--- /dev/null
+0 -10 -5\r
+0 -10 5\r
+-20 -10 -5\r
+-20 -10 5\r
+-20 0 -5\r
+-20 0 5\r
+0 10 -5\r
+0 10 5\r
+30 10 0\r
+10 0 -5\r
+10 0 5\r
+30 0 0\r
+40 10 0\r
+40 20 0\r
+-30 15 -3\r
+-30 15 3\r
+30 15 -3\r
+30 15 3\r
+999 999 999\r
+0 1\r
+2 3\r
+0 2\r
+1 3\r
+4 5\r
+2 4\r
+3 5\r
+4 0\r
+5 1\r
+6 7\r
+4 6\r
+5 7\r
+6 0\r
+7 1\r
+6 8\r
+7 8\r
+9 10\r
+6 9\r
+7 10\r
+0 9\r
+1 10\r
+9 11\r
+10 11\r
+11 12\r
+12 13\r
+13 8\r
+14 15\r
+16 17\r
+14 17\r
+15 16\r
+999 999
\ No newline at end of file
DECLARE SUB DisplayScene1 ()\r
-DECLARE SUB DisplayScene9 ()\r
DECLARE SUB DisplayScene2 ()\r
-DECLARE SUB DisplayScene8 ()\r
DECLARE SUB DisplayScene3 ()\r
-DECLARE SUB DisplayScene4 ()\r
-DECLARE SUB DisplayScene5 ()\r
-DECLARE SUB DisplayScene7 ()\r
DECLARE SUB InitializeProgram ()\r
-DECLARE SUB DisplayScenePart1 ()\r
-DECLARE SUB DisplayScenePart2 ()\r
-DECLARE SUB DisplayScenePart3 ()\r
-DECLARE SUB DisplayScenePart4 ()\r
-DECLARE SUB DisplayScenePart5 ()\r
-DECLARE SUB DisplayScenePart6 ()\r
-DECLARE SUB DisplayScenePart7 ()\r
-DECLARE SUB DisplayScenePart8 ()\r
-DECLARE SUB DisplayScenePart10 ()\r
-DECLARE SUB DisplayScenePart9 ()\r
DECLARE SUB DrawRoundedBox (topLeftX!, topLeftY!, bottomRightX!, bottomRightY!)\r
-DECLARE SUB ComputeShadeValue (firstPointX!, firstPointY!, firstPointZ!, secondPointX!, secondPointY!, secondPointZ!, thirdPointX!, thirdPointY!, thirdPointZ!, shadeValue!)\r
DECLARE SUB GetAngle (firstPointX!, firstPointY!, secondPointX!, secondPointY!, angleBetween!)\r
-DECLARE SUB RotatePoint (centerX!, centerY!, pointX!, pointY!, rotationAngle!)\r
-DECLARE SUB FillPolygon (vertex1X!, vertex1Y!, vertex2X!, vertex2Y!, vertex3X!, vertex3Y!, fillColor!)\r
+DECLARE SUB RotatePoint (rotationCenterX!, rotationCenterY!, pointX!, pointY!, rotationAngle!)\r
DECLARE SUB InitializeFont ()\r
DECLARE SUB WaitForInput ()\r
DECLARE SUB MakeBackground ()\r
DECLARE SUB SetPalette (red!, green!, blue!, colorIndex!)\r
DECLARE SUB PrintText (posX!, posY!, scale!, colorValue!, textString$)\r
-\r
' Presentation demonstrating realtime 3D graphics.\r
'\r
' This program is free software: released under Creative Commons Zero (CC0) license\r
DisplayScene1\r
DisplayScene2\r
DisplayScene3\r
-DisplayScene4\r
-DisplayScene7\r
-DisplayScene8\r
-\r
\r
SUB ComputeShadeValue (firstPointX, firstPointY, firstPointZ, secondPointX, secondPointY, secondPointZ, thirdPointX, thirdPointY, thirdPointZ, shadeValue)\r
'\r
END SUB\r
\r
SUB DisplayScene1\r
- '\r
- ' Loads a 3D model from data.dat and demonstrates real-time rotation.\r
- ' The model is projected to 2D and animated with a rotating effect.\r
- '\r
-\r
- SetPalette 0, 63, 20, 255\r
- DIM modelVertexX(0 TO 1000)\r
- DIM modelVertexY(0 TO 1000)\r
- DIM modelVertexZ(0 TO 1000)\r
- DIM projectedVertexX(0 TO 1000)\r
- DIM projectedVertexY(0 TO 1000)\r
- DIM lineStartVertex(0 TO 1500)\r
- DIM lineEndVertex(0 TO 1500)\r
- DIM oldLineStartX(1 TO 1500)\r
- DIM oldLineStartY(1 TO 1500)\r
- DIM oldLineEndX(1 TO 1500)\r
- DIM oldLineEndY(1 TO 1500)\r
- DIM totalVertices, totalLines\r
- DIM rotationAngle1, rotationAngle2, rotationAngle3\r
- DIM rotationSpeed1, rotationSpeed2, rotationSpeed3\r
- DIM incrementVertices, incrementPolygons\r
- DIM animationTime\r
- DIM currentLines\r
- DIM progressIndex\r
-\r
- animationTime = 0\r
- progressIndex = 1\r
- rotationAngle1 = 0\r
- rotationAngle2 = 0\r
- totalVertices = -1\r
- totalLines = 0\r
- incrementVertices = 0\r
- incrementPolygons = 0\r
- currentLines = 0\r
-\r
- SetPalette 40, 40, 40, 254\r
- COLOR 254\r
- LOCATE 2, 11\r
- PRINT "One moment"\r
-\r
- OPEN "data.dat" FOR INPUT AS #1\r
- INPUT #1, incrementVertices\r
- INPUT #1, incrementPolygons\r
-\r
- FOR vertexIndex = 1 TO incrementVertices\r
- INPUT #1, xVal, yVal, zVal\r
- totalVertices = totalVertices + 1\r
- modelVertexX(totalVertices) = xVal - 100\r
- modelVertexY(totalVertices) = yVal\r
- modelVertexZ(totalVertices) = zVal\r
- NEXT vertexIndex\r
-\r
- INPUT #1, lineVal1, lineVal2, lineVal3\r
-\r
- FOR polygonIndex = 1 TO incrementPolygons - 1\r
- INPUT #1, lineVal1!, lineVal2!, lineVal3!\r
- newLineStart! = lineVal1!\r
- newLineEnd! = lineVal2!\r
- GOSUB AddLine\r
- newLineStart! = lineVal2!\r
- newLineEnd! = lineVal3!\r
- GOSUB AddLine\r
- newLineStart! = lineVal1!\r
- newLineEnd! = lineVal3!\r
- GOSUB AddLine\r
- LOCATE 4, 10\r
- PRINT STR$(INT(polygonIndex / (incrementPolygons - 1) * 100)) + "% ready"\r
- NEXT polygonIndex\r
-\r
- CLOSE 1\r
- CLS\r
-\r
-RotateLoop:\r
- animationTime = animationTime + 1\r
- quitKey$ = INKEY$\r
- IF quitKey$ = "q" THEN END\r
-\r
- varA = COS(animationTime / 25)\r
- rotationAngle1 = COS(animationTime / 29) * varA\r
- rotationAngle2 = (globalPiValue / 2) + SIN(animationTime / 42) * varA\r
- sin1 = SIN(rotationAngle1)\r
- cos1 = COS(rotationAngle1)\r
- sin2 = SIN(rotationAngle2)\r
- cos2 = COS(rotationAngle2)\r
-\r
- IF progressIndex >= 1 THEN\r
- currentLines = currentLines + progressIndex\r
- progressIndex = progressIndex + .03\r
- IF currentLines > totalLines THEN currentLines = totalLines: progressIndex = 0\r
- END IF\r
-\r
- ' Project each 3D vertex to 2D\r
- FOR vertexIndex = 0 TO totalVertices\r
- x = modelVertexX(vertexIndex)\r
- y = modelVertexY(vertexIndex)\r
- z = modelVertexZ(vertexIndex)\r
- zTemp = z * sin1 + y * cos1\r
- yTemp = y * sin1 - z * cos1\r
- zFinal = zTemp * sin2 + x * cos2\r
- xFinal = x * sin2 - zTemp * cos2\r
- zFinal = zFinal + 100\r
- xFinal = xFinal / zFinal * 74 * 2\r
- yFinal = yTemp / zFinal * 65 * 2\r
- projectedVertexX(vertexIndex) = xFinal + 160\r
- projectedVertexY(vertexIndex) = yFinal + 80\r
- NEXT vertexIndex\r
-\r
- ' Draw lines between vertices\r
- FOR lineIndex = 1 TO currentLines\r
- startVertex = lineStartVertex(lineIndex)\r
- endVertex = lineEndVertex(lineIndex)\r
- x1 = projectedVertexX(startVertex)\r
- y1 = projectedVertexY(startVertex)\r
- x2 = projectedVertexX(endVertex)\r
- y2 = projectedVertexY(endVertex)\r
- LINE (oldLineStartX(lineIndex), oldLineStartY(lineIndex))-(oldLineEndX(lineIndex), oldLineEndY(lineIndex)), 0\r
- LINE (x1, y1)-(x2, y2), 255\r
- oldLineStartX(lineIndex) = x1\r
- oldLineStartY(lineIndex) = y1\r
- oldLineEndX(lineIndex) = x2\r
- oldLineEndY(lineIndex) = y2\r
- NEXT lineIndex\r
-\r
- SOUND 0, .5\r
- IF animationTime < 280 THEN GOTO RotateLoop\r
- GOTO EndScene\r
-\r
-AddLine:\r
- FOR checkIndex = 1 TO totalLines\r
- IF lineStartVertex(checkIndex) = newLineStart! THEN\r
- IF lineEndVertex(checkIndex) = newLineEnd! THEN RETURN\r
- END IF\r
- IF lineStartVertex(checkIndex) = newLineEnd! THEN\r
- IF lineEndVertex(checkIndex) = newLineStart! THEN RETURN\r
- END IF\r
- NEXT checkIndex\r
-\r
- totalLines = totalLines + 1\r
- lineStartVertex(totalLines) = newLineStart!\r
- lineEndVertex(totalLines) = newLineEnd!\r
- RETURN\r
-\r
-EndScene:\r
- globalAngleOne = rotationAngle1\r
- globalAngleTwo = rotationAngle2\r
-END SUB\r
-\r
-SUB DisplayScene2\r
- '\r
- ' Loads human face 3D model "data.dat" and projects triangular faces in 2D.\r
- ' Each triangle's average depth is computed, and polygons are drawn\r
- ' from back to front with FillPolygon. The shading is computed too.\r
- '\r
-\r
- SetPalette 0, 63, 20, 255\r
- CLS\r
- globalAngleOne = 0\r
- globalAngleTwo = 1.5\r
- DIM pointX(0 TO 2000)\r
- DIM pointY(0 TO 2000)\r
- DIM pointZ(0 TO 2000)\r
- DIM rotatedX(0 TO 2000)\r
- DIM rotatedY(0 TO 2000)\r
- DIM rotatedZ(0 TO 2000)\r
- DIM polyVertex1(1 TO 2000)\r
- DIM polyVertex2(1 TO 2000)\r
- DIM polyVertex3(1 TO 2000)\r
- numPoints = 0\r
- numTriangles = 0\r
-\r
- OPEN "data.dat" FOR INPUT AS #1\r
- INPUT #1, totalPoints\r
- INPUT #1, totalPolys\r
-\r
- FOR loopIndex = 1 TO totalPoints\r
- INPUT #1, posXVal, posYVal, posZVal\r
- pointX(numPoints) = posXVal - 100\r
- pointY(numPoints) = posYVal\r
- pointZ(numPoints) = posZVal\r
- numPoints = numPoints + 1\r
- NEXT loopIndex\r
-\r
- INPUT #1, lineValA, lineValB, lineValC\r
-\r
- FOR loopIndex = 1 TO totalPolys - 1\r
- INPUT #1, lineValA, lineValB, lineValC\r
- numTriangles = numTriangles + 1\r
- polyVertex1(numTriangles) = lineValA\r
- polyVertex2(numTriangles) = lineValB\r
- polyVertex3(numTriangles) = lineValC\r
- NEXT loopIndex\r
-\r
- CLOSE #1\r
-\r
- sin1 = SIN(globalAngleOne)\r
- cos1 = COS(globalAngleOne)\r
- sin2 = SIN(globalAngleTwo)\r
- cos2 = COS(globalAngleTwo)\r
-\r
- ' Project each 3D point\r
- FOR loopIndex = 0 TO numPoints\r
- localX = pointX(loopIndex)\r
- localY = pointY(loopIndex)\r
- localZ = pointZ(loopIndex)\r
- zTmp = localZ * sin1 + localY * cos1\r
- yTmp = localY * sin1 - localZ * cos1\r
- zFin = zTmp * sin2 + localX * cos2\r
- xFin = localX * sin2 - zTmp * cos2\r
- zFin = zFin + 100\r
- xFin = xFin / zFin * 74 * 2\r
- yFin = yTmp / zFin * 65 * 2\r
- rotatedX(loopIndex) = xFin + 160\r
- rotatedY(loopIndex) = yFin + 80\r
- rotatedZ(loopIndex) = zFin\r
- NEXT loopIndex\r
-\r
- ' Adjust palette for shading\r
- FOR loopIndex = 1 TO 49\r
- SetPalette loopIndex * 1.1 + 20, loopIndex * 1.1 + 10, loopIndex * 1.1, loopIndex\r
- NEXT loopIndex\r
-\r
- DIM polyDepth(1 TO numTriangles)\r
-\r
- FOR loopIndex = 1 TO numTriangles\r
- polyDepth(loopIndex) = (rotatedZ(polyVertex1(loopIndex)) + rotatedZ(polyVertex2(loopIndex)) + rotatedZ(polyVertex3(loopIndex)))\r
- NEXT loopIndex\r
-\r
- endIndex = numTriangles\r
-\r
- ' Sort by descending depth (z)\r
- FOR loopIndex = 1 TO numTriangles\r
- bigVal = -10000\r
- bigIndex = 1\r
- FOR checkIdx = 1 TO endIndex\r
- IF polyDepth(checkIdx) > bigVal THEN\r
- bigVal = polyDepth(checkIdx)\r
- bigIndex = checkIdx\r
- END IF\r
- NEXT checkIdx\r
-\r
- vertexA = polyVertex1(bigIndex)\r
- vertexB = polyVertex2(bigIndex)\r
- vertexC = polyVertex3(bigIndex)\r
- polyDepth(bigIndex) = polyDepth(endIndex)\r
- polyVertex1(bigIndex) = polyVertex1(endIndex)\r
- polyVertex2(bigIndex) = polyVertex2(endIndex)\r
- polyVertex3(bigIndex) = polyVertex3(endIndex)\r
- endIndex = endIndex - 1\r
-\r
- ComputeShadeValue rotatedX(vertexA), rotatedY(vertexA), rotatedZ(vertexA), rotatedX(vertexB), rotatedY(vertexB), rotatedZ(vertexB), rotatedX(vertexC), rotatedY(vertexC), rotatedZ(vertexC), shadeVal\r
-\r
- FillPolygon INT(rotatedX(vertexA)), INT(rotatedY(vertexA)), INT(rotatedX(vertexB)), INT(rotatedY(vertexB)), INT(rotatedX(vertexC)), INT(rotatedY(vertexC)), INT(shadeVal)\r
- NEXT loopIndex\r
-\r
-' Delay before proceeding to next scene\r
- FOR loopIndex = 1 TO 20\r
- SOUND 0, 1\r
- NEXT loopIndex\r
-\r
-END SUB\r
-\r
-SUB DisplayScene3\r
- '\r
- ' Demonstrates simple raster/wave effects by copying screen slices,\r
- ' does some random shifting, then shows text with circles around the bits.\r
- '\r
-\r
- DIM bufferArray(1 TO 10000)\r
- DIM waveArray(0 TO 35)\r
-\r
-\r
- ' Build a wave-like boundary in waveArray()\r
- FOR loopIndex = 0 TO 30\r
- IF loopIndex <= 5 THEN waveArray(loopIndex) = 120 + (SQR((20 - loopIndex) * loopIndex))\r
- IF (loopIndex > 5) AND (loopIndex < 25) THEN waveArray(loopIndex) = 120 + 10\r
- IF loopIndex >= 25 THEN waveArray(loopIndex) = 120 + (SQR((30 - loopIndex) * (loopIndex - 10)))\r
- NEXT loopIndex\r
-\r
- ' Slide the screen upward in small blocks\r
- FOR screenY = 0 TO 30\r
- FOR screenX = 10 TO 300 STEP 10\r
- GET (screenX, 0)-(screenX + 9, 198), bufferArray(1)\r
- PUT (screenX, 1), bufferArray(1), PSET\r
- NEXT screenX\r
-\r
- ' Slight color shift\r
- FOR colorIx = 1 TO 49\r
- SetPalette colorIx * 1.1 + (20 - screenY), colorIx * 1.1 + 10 + (screenY / 1.5), colorIx * 1.1, colorIx\r
- NEXT colorIx\r
-\r
- SOUND 0, 1\r
- LINE (160 - waveArray(screenY), 20)-(160 + waveArray(screenY), 20), 255\r
- NEXT screenY\r
-\r
- LOCATE 1, 1\r
- COLOR 254\r
- SetPalette 0, 0, 0, 254\r
- PRINT "Test 123456789"\r
- SetPalette 63, 0, 0, 253\r
-\r
- ' Draw circles around the nonzero pixels of the printed text\r
- FOR rowY = 0 TO 8\r
- FOR rowX = 0 TO 120\r
- pixelVal = POINT(rowX, rowY)\r
- IF pixelVal > 0 THEN CIRCLE (rowX * 2 + 50, rowY * 3 + 26), 2, 0\r
- NEXT rowX\r
-\r
- FOR rowX = 0 TO 120\r
- pixelVal = POINT(rowX, rowY + 1)\r
- IF pixelVal > 0 THEN CIRCLE (rowX * 2 + 50, (rowY + 1) * 3 + 26), 2, 253\r
- NEXT rowX\r
-\r
- SOUND 0, 2\r
- NEXT rowY\r
-\r
- RANDOMIZE 1\r
-\r
- ' Perform random screen shifts\r
- FOR loopIndex = 1 TO 10\r
- randY = RND * 100 + 50\r
- FOR screenX = 10 TO 300 STEP 10\r
- GET (screenX, randY)-(screenX + 9, 198), bufferArray(1)\r
- PUT (screenX, randY - 1), bufferArray(1), PSET\r
- NEXT screenX\r
- NEXT loopIndex\r
-\r
- COLOR 253\r
- SetPalette 0, 0, 0, 253\r
- LOCATE 1\r
- PRINT " Author: Svjatoslav Agejenko 30.09.2001 "\r
-\r
- GET (0, 0)-(319, 8), bufferArray(1)\r
- LOCATE 1\r
- PRINT " "\r
- PUT (0, 190), bufferArray(1), PSET\r
-\r
- FOR loopIndex = 1 TO 32\r
- SetPalette 0, loopIndex, loopIndex * 2, 253\r
- SOUND 0, 1\r
- NEXT loopIndex\r
-\r
- WaitForInput\r
-END SUB\r
-\r
-SUB DisplayScene4\r
'\r
' Builds a fractal backdrop, prints short text lines\r
\r
WaitForInput\r
END SUB\r
\r
-SUB DisplayScene7\r
+SUB DisplayScene2\r
'\r
' Simple transitional effect: draws horizontal lines across the screen\r
' in steps, clearing or darkening each row to black.\r
NEXT outerIndex\r
END SUB\r
\r
-SUB DisplayScene8\r
+SUB DisplayScene3\r
'\r
' A more complex 3D scene:\r
' Terrain with various heights.\r
destinationZ = 200\r
\r
' Load helicopter model\r
- OPEN "data2.dat" FOR INPUT AS #1\r
+ OPEN "copter.dat" FOR INPUT AS #1\r
indexA = 0\r
indexB = 0\r
helicopterPointer = totalPoints + 1\r
+++ /dev/null
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\ No newline at end of file
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
-<!-- 2025-07-29 ti 03:08 -->
+<!-- 2025-07-29 ti 04:02 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Miscellaneous 3D graphics demos</title>
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
-<li><a href="#orgb924a7a">1. Rotating exclamation mark</a></li>
-<li><a href="#org936edd2">2. 3D bouncing ball</a></li>
-<li><a href="#org28da862">3. 3D text in a room</a></li>
-<li><a href="#orgdf64df9">4. 3D bouncing cubes on grid floor</a></li>
-<li><a href="#orga5d0129">5. Matrix math for rotation in 3D space</a></li>
-<li><a href="#org9c405ef">6. Maze explorer</a></li>
-<li><a href="#org2131992">7. Tank animation</a></li>
-<li><a href="#orga1c32d2">8. Tiled room</a></li>
+<li><a href="#orgb974a71">1. Rotating exclamation mark</a></li>
+<li><a href="#orgd51b00c">2. 3D bouncing ball</a></li>
+<li><a href="#org2cc3d7f">3. 3D text in a room</a></li>
+<li><a href="#org8aa5b7c">4. 3D bouncing cubes on grid floor</a></li>
+<li><a href="#org790a2b1">5. Matrix math for rotation in 3D space</a></li>
+<li><a href="#org81916bf">6. Maze explorer</a></li>
+<li><a href="#org0bbcb91">7. Tank animation</a></li>
+<li><a href="#orgc1509dd">8. Tiled room</a></li>
</ul>
</div>
</div>
}
</style>
-<div id="outline-container-orgb924a7a" class="outline-2">
-<h2 id="orgb924a7a"><span class="section-number-2">1.</span> Rotating exclamation mark</h2>
+<div id="outline-container-orgb974a71" class="outline-2">
+<h2 id="orgb974a71"><span class="section-number-2">1.</span> Rotating exclamation mark</h2>
<div class="outline-text-2" id="text-1">
<p>
Wireframe 3D model of a rotating exclamation mark.
</div>
</div>
-<div id="outline-container-org936edd2" class="outline-2">
-<h2 id="org936edd2"><span class="section-number-2">2.</span> 3D bouncing ball</h2>
+<div id="outline-container-orgd51b00c" class="outline-2">
+<h2 id="orgd51b00c"><span class="section-number-2">2.</span> 3D bouncing ball</h2>
<div class="outline-text-2" id="text-2">
<p>
This QBasic program creates a visually engaging 3D animation of a
</div>
</div>
-<div id="outline-container-org28da862" class="outline-2">
-<h2 id="org28da862"><span class="section-number-2">3.</span> 3D text in a room</h2>
+<div id="outline-container-org2cc3d7f" class="outline-2">
+<h2 id="org2cc3d7f"><span class="section-number-2">3.</span> 3D text in a room</h2>
<div class="outline-text-2" id="text-3">
<p>
Wireframe 3D text hanging in a wireframe 3D room. User can look and
</div>
</div>
-<div id="outline-container-orgdf64df9" class="outline-2">
-<h2 id="orgdf64df9"><span class="section-number-2">4.</span> 3D bouncing cubes on grid floor</h2>
+<div id="outline-container-org8aa5b7c" class="outline-2">
+<h2 id="org8aa5b7c"><span class="section-number-2">4.</span> 3D bouncing cubes on grid floor</h2>
<div class="outline-text-2" id="text-4">
<p>
3D wireframe cubes bouncing on a grid floor, creating an immersive and
</div>
</div>
-<div id="outline-container-orga5d0129" class="outline-2">
-<h2 id="orga5d0129"><span class="section-number-2">5.</span> Matrix math for rotation in 3D space</h2>
+<div id="outline-container-org790a2b1" class="outline-2">
+<h2 id="org790a2b1"><span class="section-number-2">5.</span> Matrix math for rotation in 3D space</h2>
<div class="outline-text-2" id="text-5">
<p>
Instead of combining simple 2D rotors, pixels in this 3D space are
</div>
</div>
-<div id="outline-container-org9c405ef" class="outline-2">
-<h2 id="org9c405ef"><span class="section-number-2">6.</span> Maze explorer</h2>
+<div id="outline-container-org81916bf" class="outline-2">
+<h2 id="org81916bf"><span class="section-number-2">6.</span> Maze explorer</h2>
<div class="outline-text-2" id="text-6">
<p>
The Evolving 3D Maze Explorer is a QBasic program that generates and
</p>
-<div id="org18556fb" class="figure">
+<div id="orgc47a030" class="figure">
<p><a href="Maze%20explorer.bas" class="responsive-img"><img src="Maze%20explorer.png" alt="Maze%20explorer.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-org2131992" class="outline-2">
-<h2 id="org2131992"><span class="section-number-2">7.</span> Tank animation</h2>
+<div id="outline-container-org0bbcb91" class="outline-2">
+<h2 id="org0bbcb91"><span class="section-number-2">7.</span> Tank animation</h2>
<div class="outline-text-2" id="text-7">
<p>
Animated tank driving through the bridge back and forward. User can
</div>
</div>
-<div id="outline-container-orga1c32d2" class="outline-2">
-<h2 id="orga1c32d2"><span class="section-number-2">8.</span> Tiled room</h2>
+<div id="outline-container-orgc1509dd" class="outline-2">
+<h2 id="orgc1509dd"><span class="section-number-2">8.</span> Tiled room</h2>
<div class="outline-text-2" id="text-8">
<p>
Room with some tiles on the wall and on the floor. User can freely fly
</div>
</div>
<div id="postamble" class="status">
-<p class="date">Created: 2025-07-29 ti 03:08</p>
+<p class="date">Created: 2025-07-29 ti 04:02</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
-<!-- 2025-07-29 ti 03:08 -->
+<!-- 2025-07-29 ti 04:02 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Space themed 3D graphics</title>
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
-<li><a href="#orga620c09">1. Galaxy explorer</a></li>
-<li><a href="#org6a18994">2. Rocket simulator</a></li>
-<li><a href="#org2a8c3d5">3. Stars</a></li>
-<li><a href="#orgee560d0">4. Universe explorer</a></li>
+<li><a href="#org4f479df">1. Galaxy explorer</a></li>
+<li><a href="#orgbdc2b71">2. Rocket simulator</a></li>
+<li><a href="#orge996af4">3. Stars</a></li>
+<li><a href="#org8c60191">4. Universe explorer</a></li>
</ul>
</div>
</div>
}
</style>
-<div id="outline-container-orga620c09" class="outline-2">
-<h2 id="orga620c09"><span class="section-number-2">1.</span> Galaxy explorer</h2>
+<div id="outline-container-org4f479df" class="outline-2">
+<h2 id="org4f479df"><span class="section-number-2">1.</span> Galaxy explorer</h2>
<div class="outline-text-2" id="text-1">
<p>
This QBasic program renders a navigable 3D point cloud galaxy,
</p>
-<div id="orgb61875a" class="figure">
+<div id="org843b2e5" class="figure">
<p><a href="Galaxy%20explorer.bas" class="responsive-img"><img src="Galaxy%20explorer.png" alt="Galaxy%20explorer.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-org6a18994" class="outline-2">
-<h2 id="org6a18994"><span class="section-number-2">2.</span> Rocket simulator</h2>
+<div id="outline-container-orgbdc2b71" class="outline-2">
+<h2 id="orgbdc2b71"><span class="section-number-2">2.</span> Rocket simulator</h2>
<div class="outline-text-2" id="text-2">
<p>
QBasic program that simulates the takeoff and flight of a rocket from
</div>
</div>
-<div id="outline-container-org2a8c3d5" class="outline-2">
-<h2 id="org2a8c3d5"><span class="section-number-2">3.</span> Stars</h2>
+<div id="outline-container-orge996af4" class="outline-2">
+<h2 id="orge996af4"><span class="section-number-2">3.</span> Stars</h2>
<div class="outline-text-2" id="text-3">
<p>
The 3D Starfield Simulation is a QBasic program that creates a
</div>
</div>
-<div id="outline-container-orgee560d0" class="outline-2">
-<h2 id="orgee560d0"><span class="section-number-2">4.</span> Universe explorer</h2>
+<div id="outline-container-org8c60191" class="outline-2">
+<h2 id="org8c60191"><span class="section-number-2">4.</span> Universe explorer</h2>
<div class="outline-text-2" id="text-4">
<p>
This QBasic program that simulates a navigable 3D universe. Users can
</dl>
-<div id="org2d55013" class="figure">
+<div id="orgfeb800b" class="figure">
<p><a href="Universe%20explorer/Universe%20explorer.bas" class="responsive-img"><img src="Universe%20explorer/1.png" alt="1.png" class="responsive-img" /></a>
</p>
</div>
-<div id="org2003483" class="figure">
+<div id="orgb713cda" class="figure">
<p><a href="Universe%20explorer/Universe%20explorer.bas" class="responsive-img"><img src="Universe%20explorer/2.png" alt="2.png" class="responsive-img" /></a>
</p>
</div>
-<div id="orgc45e0da" class="figure">
+<div id="orgc1539ee" class="figure">
<p><a href="Universe%20explorer/Universe%20explorer.bas" class="responsive-img"><img src="Universe%20explorer/3.png" alt="3.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
<div id="postamble" class="status">
-<p class="date">Created: 2025-07-29 ti 03:08</p>
+<p class="date">Created: 2025-07-29 ti 04:02</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
-<!-- 2025-07-29 ti 03:29 -->
+<!-- 2025-07-29 ti 04:02 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Plotting</title>
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
-<li><a href="#org0872694">1. 2D graph</a></li>
-<li><a href="#org5fc76c6">2. 3D graph</a></li>
-<li><a href="#org6205eea">3. Deriviative calculator</a></li>
-<li><a href="#org79d74b6">4. Sine and cosine table</a></li>
+<li><a href="#orgd129385">1. 2D graph</a></li>
+<li><a href="#orgc1b06d8">2. 3D graph</a></li>
+<li><a href="#org3de897f">3. Deriviative calculator</a></li>
+<li><a href="#org4186cee">4. Sine and cosine table</a></li>
</ul>
</div>
</div>
}
</style>
-<div id="outline-container-org0872694" class="outline-2">
-<h2 id="org0872694"><span class="section-number-2">1.</span> 2D graph</h2>
+<div id="outline-container-orgd129385" class="outline-2">
+<h2 id="orgd129385"><span class="section-number-2">1.</span> 2D graph</h2>
<div class="outline-text-2" id="text-1">
<p>
The 2D Graph Plotter is a simple yet effective program written in
</p>
-<div id="org6145a94" class="figure">
+<div id="org1fd8bf4" class="figure">
<p><a href="2D%20graph%20plot.bas" class="responsive-img"><img src="2D%20graph%20plot.png" alt="2D%20graph%20plot.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-org5fc76c6" class="outline-2">
-<h2 id="org5fc76c6"><span class="section-number-2">2.</span> 3D graph</h2>
+<div id="outline-container-orgc1b06d8" class="outline-2">
+<h2 id="orgc1b06d8"><span class="section-number-2">2.</span> 3D graph</h2>
<div class="outline-text-2" id="text-2">
<p>
The 3D Heightmap Explorer is a QBasic program designed to visualize
</p>
-<div id="org4ff9548" class="figure">
+<div id="org23cf8ce" class="figure">
<p><a href="3D%20graph.bas" class="responsive-img"><img src="3D%20graph.png" alt="3D%20graph.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-org6205eea" class="outline-2">
-<h2 id="org6205eea"><span class="section-number-2">3.</span> Deriviative calculator</h2>
+<div id="outline-container-org3de897f" class="outline-2">
+<h2 id="org3de897f"><span class="section-number-2">3.</span> Deriviative calculator</h2>
<div class="outline-text-2" id="text-3">
<p>
This QBasic program is designed to compute and plot an arbitrary
</p>
-<div id="org29b9361" class="figure">
+<div id="org039948c" class="figure">
<p><a href="Deriviative%20calculator.bas" class="responsive-img"><img src="Deriviative%20calculator.png" alt="Deriviative%20calculator.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-org79d74b6" class="outline-2">
-<h2 id="org79d74b6"><span class="section-number-2">4.</span> Sine and cosine table</h2>
+<div id="outline-container-org4186cee" class="outline-2">
+<h2 id="org4186cee"><span class="section-number-2">4.</span> Sine and cosine table</h2>
<div class="outline-text-2" id="text-4">
<p>
The SIN & COS Table Generator is a QBasic program designed to visually
</p>
-<div id="orge4c445c" class="figure">
+<div id="org3d31c83" class="figure">
<p><a href="Sine%20and%20cosine%20table.bas" class="responsive-img"><img src="Sine%20and%20cosine%20table.png" alt="Sine%20and%20cosine%20table.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
<div id="postamble" class="status">
-<p class="date">Created: 2025-07-29 ti 03:29</p>
+<p class="date">Created: 2025-07-29 ti 04:02</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
-<!-- 2025-07-29 ti 03:58 -->
+<!-- 2025-07-29 ti 04:02 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Simulation</title>
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
-<li><a href="#org187906b">1. Explosion simulator</a></li>
-<li><a href="#org5e5f63c">2. Gravity in 2D</a></li>
-<li><a href="#org959c6bb">3. Gravity in 3D</a></li>
-<li><a href="#orgaad08ff">4. Interference</a></li>
-<li><a href="#orgfcd4eec">5. Interferogram</a></li>
-<li><a href="#org6429047">6. Surface tension</a></li>
-<li><a href="#orgba5018d">7. Wave 1</a></li>
-<li><a href="#orgce1b523">8. Wave 2</a></li>
+<li><a href="#orgc32a816">1. Explosion simulator</a></li>
+<li><a href="#org2d7700e">2. Gravity in 2D</a></li>
+<li><a href="#orge771117">3. Gravity in 3D</a></li>
+<li><a href="#orgb38c459">4. Interference</a></li>
+<li><a href="#org983c436">5. Interferogram</a></li>
+<li><a href="#org7a5c6de">6. Surface tension</a></li>
+<li><a href="#orge8ff5f6">7. Wave 1</a></li>
+<li><a href="#orgc5fb347">8. Wave 2</a></li>
</ul>
</div>
</div>
}
</style>
-<div id="outline-container-org187906b" class="outline-2">
-<h2 id="org187906b"><span class="section-number-2">1.</span> Explosion simulator</h2>
+<div id="outline-container-orgc32a816" class="outline-2">
+<h2 id="orgc32a816"><span class="section-number-2">1.</span> Explosion simulator</h2>
<div class="outline-text-2" id="text-1">
<p>
This QBasic program simulates the propagation of shock waves in a gas
</p>
-<div id="org4b80f69" class="figure">
+<div id="orgdd9b75d" class="figure">
<p><a href="Explosion%20simulator.bas" class="responsive-img"><img src="Explosion%20simulator.png" alt="Explosion%20simulator.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-org5e5f63c" class="outline-2">
-<h2 id="org5e5f63c"><span class="section-number-2">2.</span> Gravity in 2D</h2>
+<div id="outline-container-org2d7700e" class="outline-2">
+<h2 id="org2d7700e"><span class="section-number-2">2.</span> Gravity in 2D</h2>
<div class="outline-text-2" id="text-2">
<p>
The Gravitation Simulation program is a simple yet insightful QBasic
</p>
-<div id="org2742953" class="figure">
+<div id="org738b9a8" class="figure">
<p><a href="Gravity%20in%202D.bas" class="responsive-img"><img src="Gravity%20in%202D.png" alt="Gravity%20in%202D.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-org959c6bb" class="outline-2">
-<h2 id="org959c6bb"><span class="section-number-2">3.</span> Gravity in 3D</h2>
+<div id="outline-container-orge771117" class="outline-2">
+<h2 id="orge771117"><span class="section-number-2">3.</span> Gravity in 3D</h2>
<div class="outline-text-2" id="text-3">
<p>
This QBasic program simulates the gravitational interactions between
</div>
</div>
-<div id="outline-container-orgaad08ff" class="outline-2">
-<h2 id="orgaad08ff"><span class="section-number-2">4.</span> Interference</h2>
+<div id="outline-container-orgb38c459" class="outline-2">
+<h2 id="orgb38c459"><span class="section-number-2">4.</span> Interference</h2>
<div class="outline-text-2" id="text-4">
<p>
This QBasic program simulates the interference pattern created by two
</div>
</div>
-<div id="outline-container-orgfcd4eec" class="outline-2">
-<h2 id="orgfcd4eec"><span class="section-number-2">5.</span> Interferogram</h2>
+<div id="outline-container-org983c436" class="outline-2">
+<h2 id="org983c436"><span class="section-number-2">5.</span> Interferogram</h2>
<div class="outline-text-2" id="text-5">
<p>
This QBasic program simulates the interference pattern created by
</p>
-<div id="org39ac305" class="figure">
+<div id="orgb2a3e4f" class="figure">
<p><a href="Interferogram.bas" class="responsive-img"><img src="Interferogram.png" alt="Interferogram.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-org6429047" class="outline-2">
-<h2 id="org6429047"><span class="section-number-2">6.</span> Surface tension</h2>
+<div id="outline-container-org7a5c6de" class="outline-2">
+<h2 id="org7a5c6de"><span class="section-number-2">6.</span> Surface tension</h2>
<div class="outline-text-2" id="text-6">
<p>
This QBasic program simulates the behavior of water spills and the
</p>
-<div id="org9e2b24d" class="figure">
+<div id="orgb031602" class="figure">
<p><a href="Surface%20tension.bas" class="responsive-img"><img src="Surface%20tension.png" alt="Surface%20tension.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-orgba5018d" class="outline-2">
-<h2 id="orgba5018d"><span class="section-number-2">7.</span> Wave 1</h2>
+<div id="outline-container-orge8ff5f6" class="outline-2">
+<h2 id="orge8ff5f6"><span class="section-number-2">7.</span> Wave 1</h2>
<div class="outline-text-2" id="text-7">
<p>
This QBasic program simulates the propagation of waves across a
</p>
-<div id="org820684a" class="figure">
+<div id="org12c825f" class="figure">
<p><a href="Wave%201.bas" class="responsive-img"><img src="Wave%201.png" alt="Wave%201.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
-<div id="outline-container-orgce1b523" class="outline-2">
-<h2 id="orgce1b523"><span class="section-number-2">8.</span> Wave 2</h2>
+<div id="outline-container-orgc5fb347" class="outline-2">
+<h2 id="orgc5fb347"><span class="section-number-2">8.</span> Wave 2</h2>
<div class="outline-text-2" id="text-8">
<p>
This QBasic program simulates and visualizes the behavior of water
</p>
-<div id="org2e6254c" class="figure">
+<div id="org4e74694" class="figure">
<p><a href="Wave%202.bas" class="responsive-img"><img src="Wave%202.png" alt="Wave%202.png" class="responsive-img" /></a>
</p>
</div>
</div>
</div>
<div id="postamble" class="status">
-<p class="date">Created: 2025-07-29 ti 03:58</p>
+<p class="date">Created: 2025-07-29 ti 04:02</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
<head>
-<!-- 2025-05-31 la 07:09 -->
+<!-- 2025-07-29 ti 04:03 -->
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Truth table calculator</title>
<h2>Table of Contents</h2>
<div id="text-table-of-contents" role="doc-toc">
<ul>
-<li><a href="#org553b118">1. Implemented logical operations</a>
+<li><a href="#orgfc89990">1. Implemented logical operations</a>
<ul>
-<li><a href="#org9c9ba62">1.1. Equivalent ( ⇔ , 1 )</a></li>
-<li><a href="#org2c565cf">1.2. Implies ( ⇒ , 2 )</a></li>
-<li><a href="#org8fd4c7b">1.3. OR ( ∨ , 3 )</a></li>
-<li><a href="#org422252e">1.4. AND ( ∧ , 4 )</a></li>
-<li><a href="#orga0458d5">1.5. NOT ( ¬ , 5 )</a></li>
+<li><a href="#org0363adb">1.1. Equivalent ( ⇔ , 1 )</a></li>
+<li><a href="#org6a8cb68">1.2. Implies ( ⇒ , 2 )</a></li>
+<li><a href="#orga377946">1.3. OR ( ∨ , 3 )</a></li>
+<li><a href="#org6aff8b8">1.4. AND ( ∧ , 4 )</a></li>
+<li><a href="#org72dc863">1.5. NOT ( ¬ , 5 )</a></li>
</ul>
</li>
-<li><a href="#org375fe5b">2. Examples</a>
+<li><a href="#orgaa94500">2. Examples</a>
<ul>
-<li><a href="#org2167e31">2.1. Example: (A ∧ B) ∨ ¬C</a></li>
-<li><a href="#org0a783a3">2.2. Example: A ⇒ (B ∨ ¬C)</a></li>
-<li><a href="#org20994f3">2.3. Example: (A ⇔ B) ∧ C</a></li>
+<li><a href="#orgd435c7d">2.1. Example: (A ∧ B) ∨ ¬C</a></li>
+<li><a href="#org2e83b23">2.2. Example: A ⇒ (B ∨ ¬C)</a></li>
+<li><a href="#orgc5a0e6d">2.3. Example: (A ⇔ B) ∧ C</a></li>
</ul>
</li>
</ul>
designing and understanding digital circuits, Boolean algebra, and logical expressions.
</p>
-<div id="outline-container-org553b118" class="outline-2">
-<h2 id="org553b118"><span class="section-number-2">1.</span> Implemented logical operations</h2>
+<div id="outline-container-orgfc89990" class="outline-2">
+<h2 id="orgfc89990"><span class="section-number-2">1.</span> Implemented logical operations</h2>
<div class="outline-text-2" id="text-1">
</div>
-<div id="outline-container-org9c9ba62" class="outline-3">
-<h3 id="org9c9ba62"><span class="section-number-3">1.1.</span> Equivalent ( ⇔ , 1 )</h3>
+<div id="outline-container-org0363adb" class="outline-3">
+<h3 id="org0363adb"><span class="section-number-3">1.1.</span> Equivalent ( ⇔ , 1 )</h3>
<div class="outline-text-3" id="text-1-1">
<p>
The equivalent operation, also known as logical biconditional, is true if and only if
</div>
</div>
-<div id="outline-container-org2c565cf" class="outline-3">
-<h3 id="org2c565cf"><span class="section-number-3">1.2.</span> Implies ( ⇒ , 2 )</h3>
+<div id="outline-container-org6a8cb68" class="outline-3">
+<h3 id="org6a8cb68"><span class="section-number-3">1.2.</span> Implies ( ⇒ , 2 )</h3>
<div class="outline-text-3" id="text-1-2">
<p>
An implication asserts that if the first proposition is true, the
</div>
</div>
-<div id="outline-container-org8fd4c7b" class="outline-3">
-<h3 id="org8fd4c7b"><span class="section-number-3">1.3.</span> OR ( ∨ , 3 )</h3>
+<div id="outline-container-orga377946" class="outline-3">
+<h3 id="orga377946"><span class="section-number-3">1.3.</span> OR ( ∨ , 3 )</h3>
<div class="outline-text-3" id="text-1-3">
<p>
The OR operation, also known as logical disjunction, is true if at
</div>
</div>
-<div id="outline-container-org422252e" class="outline-3">
-<h3 id="org422252e"><span class="section-number-3">1.4.</span> AND ( ∧ , 4 )</h3>
+<div id="outline-container-org6aff8b8" class="outline-3">
+<h3 id="org6aff8b8"><span class="section-number-3">1.4.</span> AND ( ∧ , 4 )</h3>
<div class="outline-text-3" id="text-1-4">
<p>
The AND operation, also known as logical conjunction, is true if and
</div>
</div>
-<div id="outline-container-orga0458d5" class="outline-3">
-<h3 id="orga0458d5"><span class="section-number-3">1.5.</span> NOT ( ¬ , 5 )</h3>
+<div id="outline-container-org72dc863" class="outline-3">
+<h3 id="org72dc863"><span class="section-number-3">1.5.</span> NOT ( ¬ , 5 )</h3>
<div class="outline-text-3" id="text-1-5">
<p>
The NOT operation, also known as logical negation, inverts the value
</div>
</div>
</div>
-<div id="outline-container-org375fe5b" class="outline-2">
-<h2 id="org375fe5b"><span class="section-number-2">2.</span> Examples</h2>
+<div id="outline-container-orgaa94500" class="outline-2">
+<h2 id="orgaa94500"><span class="section-number-2">2.</span> Examples</h2>
<div class="outline-text-2" id="text-2">
</div>
-<div id="outline-container-org2167e31" class="outline-3">
-<h3 id="org2167e31"><span class="section-number-3">2.1.</span> Example: (A ∧ B) ∨ ¬C</h3>
+<div id="outline-container-orgd435c7d" class="outline-3">
+<h3 id="orgd435c7d"><span class="section-number-3">2.1.</span> Example: (A ∧ B) ∨ ¬C</h3>
<div class="outline-text-3" id="text-2-1">
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
</div>
</div>
-<div id="outline-container-org0a783a3" class="outline-3">
-<h3 id="org0a783a3"><span class="section-number-3">2.2.</span> Example: A ⇒ (B ∨ ¬C)</h3>
+<div id="outline-container-org2e83b23" class="outline-3">
+<h3 id="org2e83b23"><span class="section-number-3">2.2.</span> Example: A ⇒ (B ∨ ¬C)</h3>
<div class="outline-text-3" id="text-2-2">
<table border="2" cellspacing="0" cellpadding="6" rules="groups" frame="hsides">
</div>
</div>
-<div id="outline-container-org20994f3" class="outline-3">
-<h3 id="org20994f3"><span class="section-number-3">2.3.</span> Example: (A ⇔ B) ∧ C</h3>
+<div id="outline-container-orgc5a0e6d" class="outline-3">
+<h3 id="orgc5a0e6d"><span class="section-number-3">2.3.</span> Example: (A ⇔ B) ∧ C</h3>
<div class="outline-text-3" id="text-2-3">
<p>
Truth Table:
</div>
</div>
<div id="postamble" class="status">
-<p class="date">Created: 2025-05-31 la 07:09</p>
+<p class="date">Created: 2025-07-29 ti 04:03</p>
<p class="validation"><a href="https://validator.w3.org/check?uri=referer">Validate</a></p>
</div>
</body>
** Helicopter demo
-TODO: description goes here ...
+This QBasic program is a demonstration of real-time 3D graphics
+rendering. Also it shows 3D transformations, fractal terrain
+generation, and simple animation.
-#+attr_html: :class responsive-img
-#+attr_latex: :width 1000px
-[[file:3D%20GFX/Helicopter/demo,%201.png][file:3D%20GFX/Helicopter/demo,%201.png]]
+A fractal algorithm is used to create a realistic terrain by
+iteratively subdividing and perturbing pixel values.
-#+attr_html: :class responsive-img
-#+attr_latex: :width 1000px
-[[file:3D%20GFX/Helicopter/demo,%202.png][file:3D%20GFX/Helicopter/demo,%202.png]]
+The program includes an animated sequence featuring a helicopter that
+moves across the terrain and picks up objects.
#+attr_html: :class responsive-img
#+attr_latex: :width 1000px
-[[file:3D%20GFX/Helicopter/demo,%203.png][file:3D%20GFX/Helicopter/demo,%203.png]]
+[[file:3D%20GFX/Helicopter/Helicopter.bas][file:3D%20GFX/Helicopter/screenshot,%201.png]]
#+attr_html: :class responsive-img
#+attr_latex: :width 1000px
-[[file:3D%20GFX/Helicopter/demo,%204.png][file:3D%20GFX/Helicopter/demo,%204.png]]
+[[file:3D%20GFX/Helicopter/Helicopter.bas][file:3D%20GFX/Helicopter/screenshot,%202.png]]
[[https://www2.svjatoslav.eu/gitweb/?p=qbasicapps.git;a=tree;f=3D+GFX/Helicopter;hb=HEAD][Project files]]
projects / qbasicapps.git / commitdiff
