PCGamesF1Tech_processing/CC_27_Fireworks_3D/ParticleSystem.pde




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  <div itemprop="text" class="blob-wrapper data type-processing">
      <table class="highlight tab-size js-file-line-container" data-tab-size="8">
      <tr>
        <td id="L1" class="blob-num js-line-number" data-line-number="1"></td>
        <td id="LC1" class="blob-code blob-code-inner js-file-line"><span class="pl-c">// Daniel Shiffman</span></td>
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        <td id="LC2" class="blob-code blob-code-inner js-file-line"><span class="pl-c">// http://codingrainbow.com</span></td>
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        <td id="LC3" class="blob-code blob-code-inner js-file-line"><span class="pl-c">// http://patreon.com/codingrainbow</span></td>
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        <td id="L4" class="blob-num js-line-number" data-line-number="4"></td>
        <td id="LC4" class="blob-code blob-code-inner js-file-line"><span class="pl-c">// Code for: </span></td>
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        <td id="L5" class="blob-num js-line-number" data-line-number="5"></td>
        <td id="LC5" class="blob-code blob-code-inner js-file-line">
</td>
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      <tr>
        <td id="L6" class="blob-num js-line-number" data-line-number="6"></td>
        <td id="LC6" class="blob-code blob-code-inner js-file-line"><span class="pl-c">// A class to describe a group of Particles</span></td>
      </tr>
      <tr>
        <td id="L7" class="blob-num js-line-number" data-line-number="7"></td>
        <td id="LC7" class="blob-code blob-code-inner js-file-line"><span class="pl-c">// An ArrayList is used to manage the list of Particles </span></td>
      </tr>
      <tr>
        <td id="L8" class="blob-num js-line-number" data-line-number="8"></td>
        <td id="LC8" class="blob-code blob-code-inner js-file-line">
</td>
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      <tr>
        <td id="L9" class="blob-num js-line-number" data-line-number="9"></td>
        <td id="LC9" class="blob-code blob-code-inner js-file-line"><span class="pl-k">class</span> <span class="pl-en">Firework</span> {</td>
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      <tr>
        <td id="L10" class="blob-num js-line-number" data-line-number="10"></td>
        <td id="LC10" class="blob-code blob-code-inner js-file-line">
</td>
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        <td id="L11" class="blob-num js-line-number" data-line-number="11"></td>
        <td id="LC11" class="blob-code blob-code-inner js-file-line">  <span class="pl-k">ArrayList&lt;<span class="pl-k">Particle</span>&gt;</span> particles;    <span class="pl-c">// An arraylist for all the particles</span></td>
      </tr>
      <tr>
        <td id="L12" class="blob-num js-line-number" data-line-number="12"></td>
        <td id="LC12" class="blob-code blob-code-inner js-file-line">  <span class="pl-k">Particle</span> firework;</td>
      </tr>
      <tr>
        <td id="L13" class="blob-num js-line-number" data-line-number="13"></td>
        <td id="LC13" class="blob-code blob-code-inner js-file-line">  <span class="pl-k">float</span> hu;</td>
      </tr>
      <tr>
        <td id="L14" class="blob-num js-line-number" data-line-number="14"></td>
        <td id="LC14" class="blob-code blob-code-inner js-file-line">
</td>
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      <tr>
        <td id="L15" class="blob-num js-line-number" data-line-number="15"></td>
        <td id="LC15" class="blob-code blob-code-inner js-file-line">  <span class="pl-en">Firework</span>() {</td>
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      <tr>
        <td id="L16" class="blob-num js-line-number" data-line-number="16"></td>
        <td id="LC16" class="blob-code blob-code-inner js-file-line">    hu <span class="pl-k">=</span> <span class="pl-c1">random</span>(<span class="pl-c1">255</span>);</td>
      </tr>
      <tr>
        <td id="L17" class="blob-num js-line-number" data-line-number="17"></td>
        <td id="LC17" class="blob-code blob-code-inner js-file-line">    firework <span class="pl-k">=</span> <span class="pl-k">new</span> <span class="pl-k">Particle</span>(<span class="pl-c1">random</span>(<span class="pl-k">-</span><span class="pl-smi">width</span><span class="pl-k">/</span><span class="pl-c1">2</span>, <span class="pl-smi">width</span><span class="pl-k">/</span><span class="pl-c1">2</span>), <span class="pl-smi">height</span><span class="pl-k">/</span><span class="pl-c1">2</span>, <span class="pl-c1">random</span>(<span class="pl-k">-</span><span class="pl-c1">800</span>, <span class="pl-c1">800</span>), hu);</td>
      </tr>
      <tr>
        <td id="L18" class="blob-num js-line-number" data-line-number="18"></td>
        <td id="LC18" class="blob-code blob-code-inner js-file-line">    particles <span class="pl-k">=</span> <span class="pl-k">new</span> <span class="pl-k">ArrayList&lt;<span class="pl-k">Particle</span>&gt;</span>();   <span class="pl-c">// Initialize the arraylist</span></td>
      </tr>
      <tr>
        <td id="L19" class="blob-num js-line-number" data-line-number="19"></td>
        <td id="LC19" class="blob-code blob-code-inner js-file-line">  }</td>
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      <tr>
        <td id="L20" class="blob-num js-line-number" data-line-number="20"></td>
        <td id="LC20" class="blob-code blob-code-inner js-file-line">  </td>
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      <tr>
        <td id="L21" class="blob-num js-line-number" data-line-number="21"></td>
        <td id="LC21" class="blob-code blob-code-inner js-file-line">  <span class="pl-k">boolean</span> <span class="pl-en">done</span>() {</td>
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      <tr>
        <td id="L22" class="blob-num js-line-number" data-line-number="22"></td>
        <td id="LC22" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">if</span> (firework <span class="pl-k">==</span> <span class="pl-c1">null</span> <span class="pl-k">&amp;&amp;</span> particles<span class="pl-k">.</span>isEmpty()) {</td>
      </tr>
      <tr>
        <td id="L23" class="blob-num js-line-number" data-line-number="23"></td>
        <td id="LC23" class="blob-code blob-code-inner js-file-line">      <span class="pl-k">return</span> <span class="pl-c1">true</span>;</td>
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      <tr>
        <td id="L24" class="blob-num js-line-number" data-line-number="24"></td>
        <td id="LC24" class="blob-code blob-code-inner js-file-line">    } <span class="pl-k">else</span> {</td>
      </tr>
      <tr>
        <td id="L25" class="blob-num js-line-number" data-line-number="25"></td>
        <td id="LC25" class="blob-code blob-code-inner js-file-line">      <span class="pl-k">return</span> <span class="pl-c1">false</span>;</td>
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      <tr>
        <td id="L26" class="blob-num js-line-number" data-line-number="26"></td>
        <td id="LC26" class="blob-code blob-code-inner js-file-line">    }</td>
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      <tr>
        <td id="L27" class="blob-num js-line-number" data-line-number="27"></td>
        <td id="LC27" class="blob-code blob-code-inner js-file-line">  }</td>
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        <td id="L28" class="blob-num js-line-number" data-line-number="28"></td>
        <td id="LC28" class="blob-code blob-code-inner js-file-line">
</td>
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      <tr>
        <td id="L29" class="blob-num js-line-number" data-line-number="29"></td>
        <td id="LC29" class="blob-code blob-code-inner js-file-line">  <span class="pl-k">void</span> <span class="pl-en">run</span>() {</td>
      </tr>
      <tr>
        <td id="L30" class="blob-num js-line-number" data-line-number="30"></td>
        <td id="LC30" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">if</span> (firework <span class="pl-k">!=</span> <span class="pl-c1">null</span>) {</td>
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      <tr>
        <td id="L31" class="blob-num js-line-number" data-line-number="31"></td>
        <td id="LC31" class="blob-code blob-code-inner js-file-line">      <span class="pl-c1">fill</span>(hu,<span class="pl-c1">255</span>,<span class="pl-c1">255</span>);</td>
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        <td id="L32" class="blob-num js-line-number" data-line-number="32"></td>
        <td id="LC32" class="blob-code blob-code-inner js-file-line">      firework<span class="pl-k">.</span>applyForce(gravity);</td>
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      <tr>
        <td id="L33" class="blob-num js-line-number" data-line-number="33"></td>
        <td id="LC33" class="blob-code blob-code-inner js-file-line">      firework<span class="pl-k">.</span>update();</td>
      </tr>
      <tr>
        <td id="L34" class="blob-num js-line-number" data-line-number="34"></td>
        <td id="LC34" class="blob-code blob-code-inner js-file-line">      firework<span class="pl-k">.</span>display();</td>
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      <tr>
        <td id="L35" class="blob-num js-line-number" data-line-number="35"></td>
        <td id="LC35" class="blob-code blob-code-inner js-file-line">
</td>
      </tr>
      <tr>
        <td id="L36" class="blob-num js-line-number" data-line-number="36"></td>
        <td id="LC36" class="blob-code blob-code-inner js-file-line">      <span class="pl-k">if</span> (firework<span class="pl-k">.</span>explode()) {</td>
      </tr>
      <tr>
        <td id="L37" class="blob-num js-line-number" data-line-number="37"></td>
        <td id="LC37" class="blob-code blob-code-inner js-file-line">        <span class="pl-k">for</span> (<span class="pl-k">int</span> i <span class="pl-k">=</span> <span class="pl-c1">0</span>; i <span class="pl-k">&lt;</span> <span class="pl-c1">750</span>; i<span class="pl-k">++</span>) {</td>
      </tr>
      <tr>
        <td id="L38" class="blob-num js-line-number" data-line-number="38"></td>
        <td id="LC38" class="blob-code blob-code-inner js-file-line">          particles<span class="pl-k">.</span>add(<span class="pl-k">new</span> <span class="pl-k">Particle</span>(firework<span class="pl-k">.</span>location, hu));    <span class="pl-c">// Add &quot;num&quot; amount of particles to the arraylist</span></td>
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      <tr>
        <td id="L39" class="blob-num js-line-number" data-line-number="39"></td>
        <td id="LC39" class="blob-code blob-code-inner js-file-line">        }</td>
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      <tr>
        <td id="L40" class="blob-num js-line-number" data-line-number="40"></td>
        <td id="LC40" class="blob-code blob-code-inner js-file-line">        firework <span class="pl-k">=</span> <span class="pl-c1">null</span>;</td>
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      <tr>
        <td id="L41" class="blob-num js-line-number" data-line-number="41"></td>
        <td id="LC41" class="blob-code blob-code-inner js-file-line">      }</td>
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      <tr>
        <td id="L42" class="blob-num js-line-number" data-line-number="42"></td>
        <td id="LC42" class="blob-code blob-code-inner js-file-line">    }</td>
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      <tr>
        <td id="L43" class="blob-num js-line-number" data-line-number="43"></td>
        <td id="LC43" class="blob-code blob-code-inner js-file-line">
</td>
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        <td id="L44" class="blob-num js-line-number" data-line-number="44"></td>
        <td id="LC44" class="blob-code blob-code-inner js-file-line">    <span class="pl-k">for</span> (<span class="pl-k">int</span> i <span class="pl-k">=</span> particles<span class="pl-k">.</span>size()<span class="pl-k">-</span><span class="pl-c1">1</span>; i <span class="pl-k">&gt;=</span> <span class="pl-c1">0</span>; i<span class="pl-k">--</span>) {</td>
      </tr>
      <tr>
        <td id="L45" class="blob-num js-line-number" data-line-number="45"></td>
        <td id="LC45" class="blob-code blob-code-inner js-file-line">      <span class="pl-k">Particle</span> p <span class="pl-k">=</span> particles<span class="pl-k">.</span>get(i);</td>
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        <td id="L46" class="blob-num js-line-number" data-line-number="46"></td>
        <td id="LC46" class="blob-code blob-code-inner js-file-line">      p<span class="pl-k">.</span>applyForce(gravity);</td>
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        <td id="L47" class="blob-num js-line-number" data-line-number="47"></td>
        <td id="LC47" class="blob-code blob-code-inner js-file-line">      p<span class="pl-k">.</span>run();</td>
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        <td id="L48" class="blob-num js-line-number" data-line-number="48"></td>
        <td id="LC48" class="blob-code blob-code-inner js-file-line">      <span class="pl-k">if</span> (p<span class="pl-k">.</span>isDead()) {</td>
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        <td id="L49" class="blob-num js-line-number" data-line-number="49"></td>
        <td id="LC49" class="blob-code blob-code-inner js-file-line">        particles<span class="pl-k">.</span>remove(i);</td>
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      <tr>
        <td id="L50" class="blob-num js-line-number" data-line-number="50"></td>
        <td id="LC50" class="blob-code blob-code-inner js-file-line">      }</td>
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        <td id="L51" class="blob-num js-line-number" data-line-number="51"></td>
        <td id="LC51" class="blob-code blob-code-inner js-file-line">    }</td>
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        <td id="L52" class="blob-num js-line-number" data-line-number="52"></td>
        <td id="LC52" class="blob-code blob-code-inner js-file-line">  }</td>
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        <td id="LC53" class="blob-code blob-code-inner js-file-line">
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        <td id="L55" class="blob-num js-line-number" data-line-number="55"></td>
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