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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Rocket Game Engine: BallSystem Class Reference</title>
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<a href="#pub-methods">Public Member Functions</a> |
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<div class="headertitle"><div class="title">BallSystem Class Reference</div></div>
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<p><code>#include <<a class="el" href="BallSystem_8hpp_source.html">BallSystem.hpp</a>></code></p>
<div class="dynheader">
Inheritance diagram for BallSystem:</div>
<div class="dyncontent">
<div class="center">
<img src="classBallSystem.png" usemap="#BallSystem_map" alt=""/>
<map id="BallSystem_map" name="BallSystem_map">
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-methods" name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:af1c2cd48f1097c8a7500a4d7175b60e5" id="r_af1c2cd48f1097c8a7500a4d7175b60e5"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classBallSystem.html#af1c2cd48f1097c8a7500a4d7175b60e5">Do</a> (double deltatime)</td></tr>
<tr class="memdesc:af1c2cd48f1097c8a7500a4d7175b60e5"><td class="mdescLeft"> </td><td class="mdescRight">Updates the ball's position and velocity based on collisions. <br /></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="inherited" name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_attribs_classSystem"><td colspan="2" onclick="javascript:toggleInherit('pub_attribs_classSystem')"><img src="closed.png" alt="-"/> Public Attributes inherited from <a class="el" href="classSystem.html">System</a></td></tr>
<tr class="memitem:ae916183b95be1ef86df80054320f9855 inherit pub_attribs_classSystem" id="r_ae916183b95be1ef86df80054320f9855"><td class="memItemLeft" align="right" valign="top">
std::set< Entity > </td><td class="memItemRight" valign="bottom"><b>mEntities</b></td></tr>
<tr class="separator:ae916183b95be1ef86df80054320f9855 inherit pub_attribs_classSystem"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>This class is the system the engine uses to move and update the ball. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="af1c2cd48f1097c8a7500a4d7175b60e5" name="af1c2cd48f1097c8a7500a4d7175b60e5"></a>
<h2 class="memtitle"><span class="permalink"><a href="#af1c2cd48f1097c8a7500a4d7175b60e5">◆ </a></span>Do()</h2>
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<td class="memname">void BallSystem::Do </td>
<td>(</td>
<td class="paramtype">double </td>
<td class="paramname"><em>deltatime</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span></span> </td>
</tr>
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</div><div class="memdoc">
<p>Updates the ball's position and velocity based on collisions. </p>
<p>This is the workhorse of the system. It should be called every frame and does the following: </p><ul>
<li>
Checks if a given ball has just respawned. If so, sets the new velocity accordingly. </li>
<li>
Checks if a given ball has collided with anything. If it has, we update the ball's velocity accordingly. </li>
<li>
Check if the ball has hit a border of the screen. Left and right borders indicate a score, top and bottom borders should simply invert the Y velocity of the ball. </li>
<li>
Move the ball based on the current velocity and deltatime. </li>
</ul>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">deltatime</td><td>A double representation of the time it took for the previous frame to complete. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="ac5d0373e4596e2024460b95df75b7bd1" name="ac5d0373e4596e2024460b95df75b7bd1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac5d0373e4596e2024460b95df75b7bd1">◆ </a></span>GetSignature()</h2>
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<td class="memname">Signature BallSystem::GetSignature </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
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</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">override</span><span class="mlabel">virtual</span></span> </td>
</tr>
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<p>Implements <a class="el" href="classSystem.html">System</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>gen-files/include/ECS/Systems/<a class="el" href="BallSystem_8hpp_source.html">BallSystem.hpp</a></li>
</ul>
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