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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>Arduino STK: Guitar.h Source File</title>
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<div id="projectname">Arduino STK
 <span id="projectnumber">4.6.2</span>
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<div class="title">Guitar.h</div> </div>
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<div class="contents">
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#ifndef STK_GUITAR_H</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="preprocessor">#define STK_GUITAR_H</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>  </div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "Stk.h"</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "Twang.h"</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "OnePole.h"</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "OneZero.h"</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="keyword">namespace </span><a class="code" href="namespacestk.html">stk</a> {</div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>  </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">/***************************************************/</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">/***************************************************/</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  </div>
<div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html"> 41</a></span> <span class="keyword">class </span><a class="code" href="classstk_1_1Guitar.html">Guitar</a> : <span class="keyword">public</span> <a class="code" href="classstk_1_1Stk.html">Stk</a></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> {</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="keyword">public</span>:</div>
<div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#a7eac8ce2d2d6db176770639fe547bcb2"> 45</a></span>  <a class="code" href="classstk_1_1Guitar.html#a7eac8ce2d2d6db176770639fe547bcb2">Guitar</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nStrings = 6, std::string bodyfile = <span class="stringliteral">""</span> );</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#adb7355a9bcf6e94d9db4809175cbae1b"> 48</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Guitar.html#adb7355a9bcf6e94d9db4809175cbae1b">clear</a>( <span class="keywordtype">void</span> );</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  </div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#a95c212c2d6a72ee93c2000f0308df9cc"> 56</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Guitar.html#a95c212c2d6a72ee93c2000f0308df9cc">setBodyFile</a>( std::string bodyfile = <span class="stringliteral">""</span> );</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div>
<div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#a4a2098002e20c5aac3927e2c080c64ca"> 63</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Guitar.html#a4a2098002e20c5aac3927e2c080c64ca">setPluckPosition</a>( StkFloat position, <span class="keywordtype">int</span> <span class="keywordtype">string</span> = -1 );</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#adc1d5eadc46cbcdb8ddcf8b0e4aae9db"> 70</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Guitar.html#adc1d5eadc46cbcdb8ddcf8b0e4aae9db">setLoopGain</a>( StkFloat gain, <span class="keywordtype">int</span> <span class="keywordtype">string</span> = -1 );</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00073"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#a8812168a7ffc5318d42a25b1cfda7bff"> 73</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Guitar.html#a8812168a7ffc5318d42a25b1cfda7bff">setFrequency</a>( StkFloat frequency, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keywordtype">string</span> = 0 );</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
<div class="line"><a name="l00080"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#a9dec744a074dba5c869b2aec1198ada7"> 80</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Guitar.html#a9dec744a074dba5c869b2aec1198ada7">noteOn</a>( StkFloat frequency, StkFloat amplitude, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keywordtype">string</span> = 0 );</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  </div>
<div class="line"><a name="l00083"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#accf5a4b16602560591ed010245a297d4"> 83</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Guitar.html#accf5a4b16602560591ed010245a297d4">noteOff</a>( StkFloat amplitude, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <span class="keywordtype">string</span> = 0 );</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  </div>
<div class="line"><a name="l00090"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#ae9900d35d4f5ae7a67dfcc62a1175aba"> 90</a></span>  <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Guitar.html#ae9900d35d4f5ae7a67dfcc62a1175aba">controlChange</a>( <span class="keywordtype">int</span> number, StkFloat value, <span class="keywordtype">int</span> <span class="keywordtype">string</span> = -1 );</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  </div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#aee53aa17d760670cc875c06f1de6af91"> 93</a></span>  StkFloat <a class="code" href="classstk_1_1Guitar.html#aee53aa17d760670cc875c06f1de6af91">lastOut</a>( <span class="keywordtype">void</span> ) { <span class="keywordflow">return</span> lastFrame_[0]; };</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  StkFloat <a class="code" href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8">tick</a>( StkFloat input = 0.0 );</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& <a class="code" href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8">tick</a>( <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& frames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& <a class="code" href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8">tick</a>( <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& iFrames, <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a> &oFrames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> iChannel = 0, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> oChannel = 0 );</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  std::vector< stk::Twang > strings_;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  std::vector< int > stringState_; <span class="comment">// 0 = off, 1 = decaying, 2 = on</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  std::vector< unsigned int > decayCounter_;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  std::vector< unsigned int > filePointer_;</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  std::vector< StkFloat > pluckGains_;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  </div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="classstk_1_1OnePole.html">OnePole</a> pickFilter_;</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <a class="code" href="classstk_1_1OnePole.html">OnePole</a> couplingFilter_;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  StkFloat couplingGain_;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a> excitation_;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a> lastFrame_;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span> };</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  </div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8"> 135</a></span> <span class="keyword">inline</span> StkFloat <a class="code" href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8">Guitar :: tick</a>( StkFloat input )</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> {</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  StkFloat temp, output = 0.0;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  lastFrame_[0] /= strings_.size(); <span class="comment">// evenly spread coupling across strings</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<strings_.size(); i++ ) {</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">if</span> ( stringState_[i] ) {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  temp = input;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="comment">// If pluckGain < 0.2, let string ring but don't pluck it.</span></div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">if</span> ( filePointer_[i] < excitation_.<a class="code" href="classstk_1_1StkFrames.html#a0fc22e21feecdee966f0203722b9c168">frames</a>() && pluckGains_[i] > 0.2 )</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  temp += pluckGains_[i] * excitation_[filePointer_[i]++];</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  temp += couplingGain_ * couplingFilter_.<a class="code" href="classstk_1_1OnePole.html#a3c83b6d43f76bec06f11caa9de76881e">tick</a>( lastFrame_[0] ); <span class="comment">// bridge coupling</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  output += strings_[i].tick( temp );</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="comment">// Check if string energy has decayed sufficiently to turn it off.</span></div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="keywordflow">if</span> ( stringState_[i] == 1 ) {</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> ( fabs( strings_[i].<a class="code" href="classstk_1_1Guitar.html#aee53aa17d760670cc875c06f1de6af91">lastOut</a>() ) < 0.001 ) decayCounter_[i]++;</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">else</span> decayCounter_[i] = 0;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">if</span> ( decayCounter_[i] > (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) floor( 0.1 * <a class="code" href="classstk_1_1Stk.html#a5fbe37000a611ce56075ee7d8936472d">Stk::sampleRate</a>() ) ) {</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  stringState_[i] = 0;</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  decayCounter_[i] = 0;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  }</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  }</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  </div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">return</span> lastFrame_[0] = output;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> }</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  </div>
<div class="line"><a name="l00162"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#aa8a2447a813f400c92ab2333c2d8a125"> 162</a></span> <span class="keyword">inline</span> <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& <a class="code" href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8">Guitar :: tick</a>( <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& frames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel )</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="preprocessor">#if defined(_STK_DEBUG_)</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="keywordflow">if</span> ( channel >= frames.<a class="code" href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">channels</a>() ) {</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  oStream_ << <span class="stringliteral">"Guitar::tick(): channel and StkFrames arguments are incompatible!"</span>;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="classstk_1_1Stk.html#a48ac73a0d8ca28445ba1a054e1f061ff">handleError</a>( StkError::FUNCTION_ARGUMENT );</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  </div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  StkFloat *samples = &frames[channel];</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> hop = frames.<a class="code" href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">channels</a>();</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<frames.<a class="code" href="classstk_1_1StkFrames.html#a0fc22e21feecdee966f0203722b9c168">frames</a>(); i++, samples += hop )</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  *samples = <a class="code" href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8">tick</a>( *samples );</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> frames;</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> }</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
<div class="line"><a name="l00179"></a><span class="lineno"><a class="line" href="classstk_1_1Guitar.html#a8ed813db2c23a9893e7d329528d659e8"> 179</a></span> <span class="keyword">inline</span> <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& <a class="code" href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8">Guitar :: tick</a>( <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& iFrames, <a class="code" href="classstk_1_1StkFrames.html">StkFrames</a>& oFrames, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> iChannel, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> oChannel )</div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> {</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor">#if defined(_STK_DEBUG_)</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordflow">if</span> ( iChannel >= iFrames.<a class="code" href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">channels</a>() || oChannel >= oFrames.<a class="code" href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">channels</a>() ) {</div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  oStream_ << <span class="stringliteral">"Guitar::tick(): channel and StkFrames arguments are incompatible!"</span>;</div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <a class="code" href="classstk_1_1Stk.html#a48ac73a0d8ca28445ba1a054e1f061ff">handleError</a>( StkError::FUNCTION_ARGUMENT );</div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  }</div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  </div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  StkFloat *iSamples = &iFrames[iChannel];</div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  StkFloat *oSamples = &oFrames[oChannel];</div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> iHop = iFrames.<a class="code" href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">channels</a>(), oHop = oFrames.<a class="code" href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">channels</a>();</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i=0; i<iFrames.<a class="code" href="classstk_1_1StkFrames.html#a0fc22e21feecdee966f0203722b9c168">frames</a>(); i++, iSamples += iHop, oSamples += oHop )</div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  *oSamples = <a class="code" href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8">tick</a>( *iSamples );</div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">return</span> iFrames;</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> }</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  </div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> } <span class="comment">// stk namespace</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  </div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor">#endif</span></div>
<div class="ttc" id="aclassstk_1_1Guitar_html"><div class="ttname"><a href="classstk_1_1Guitar.html">stk::Guitar</a></div><div class="ttdoc">STK guitar model class.</div><div class="ttdef"><b>Definition:</b> Guitar.h:42</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_a47223c1ef411141ae04b0971497b5fb8"><div class="ttname"><a href="classstk_1_1Guitar.html#a47223c1ef411141ae04b0971497b5fb8">stk::Guitar::tick</a></div><div class="ttdeci">StkFloat tick(StkFloat input=0.0)</div><div class="ttdoc">Take an optional input sample and compute one output sample.</div><div class="ttdef"><b>Definition:</b> Guitar.h:135</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_a4a2098002e20c5aac3927e2c080c64ca"><div class="ttname"><a href="classstk_1_1Guitar.html#a4a2098002e20c5aac3927e2c080c64ca">stk::Guitar::setPluckPosition</a></div><div class="ttdeci">void setPluckPosition(StkFloat position, int string=-1)</div><div class="ttdoc">Set the pluck position for one or all strings.</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_a7eac8ce2d2d6db176770639fe547bcb2"><div class="ttname"><a href="classstk_1_1Guitar.html#a7eac8ce2d2d6db176770639fe547bcb2">stk::Guitar::Guitar</a></div><div class="ttdeci">Guitar(unsigned int nStrings=6, std::string bodyfile="")</div><div class="ttdoc">Class constructor, specifying an arbitrary number of strings (default = 6).</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_a8812168a7ffc5318d42a25b1cfda7bff"><div class="ttname"><a href="classstk_1_1Guitar.html#a8812168a7ffc5318d42a25b1cfda7bff">stk::Guitar::setFrequency</a></div><div class="ttdeci">void setFrequency(StkFloat frequency, unsigned int string=0)</div><div class="ttdoc">Set instrument parameters for a particular frequency.</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_a95c212c2d6a72ee93c2000f0308df9cc"><div class="ttname"><a href="classstk_1_1Guitar.html#a95c212c2d6a72ee93c2000f0308df9cc">stk::Guitar::setBodyFile</a></div><div class="ttdeci">void setBodyFile(std::string bodyfile="")</div><div class="ttdoc">Set the string excitation, using either a soundfile or computed noise.</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_a9dec744a074dba5c869b2aec1198ada7"><div class="ttname"><a href="classstk_1_1Guitar.html#a9dec744a074dba5c869b2aec1198ada7">stk::Guitar::noteOn</a></div><div class="ttdeci">void noteOn(StkFloat frequency, StkFloat amplitude, unsigned int string=0)</div><div class="ttdoc">Start a note with the given frequency and amplitude.</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_accf5a4b16602560591ed010245a297d4"><div class="ttname"><a href="classstk_1_1Guitar.html#accf5a4b16602560591ed010245a297d4">stk::Guitar::noteOff</a></div><div class="ttdeci">void noteOff(StkFloat amplitude, unsigned int string=0)</div><div class="ttdoc">Stop a note with the given amplitude (speed of decay).</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_adb7355a9bcf6e94d9db4809175cbae1b"><div class="ttname"><a href="classstk_1_1Guitar.html#adb7355a9bcf6e94d9db4809175cbae1b">stk::Guitar::clear</a></div><div class="ttdeci">void clear(void)</div><div class="ttdoc">Reset and clear all internal state.</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_adc1d5eadc46cbcdb8ddcf8b0e4aae9db"><div class="ttname"><a href="classstk_1_1Guitar.html#adc1d5eadc46cbcdb8ddcf8b0e4aae9db">stk::Guitar::setLoopGain</a></div><div class="ttdeci">void setLoopGain(StkFloat gain, int string=-1)</div><div class="ttdoc">Set the loop gain for one or all strings.</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_ae9900d35d4f5ae7a67dfcc62a1175aba"><div class="ttname"><a href="classstk_1_1Guitar.html#ae9900d35d4f5ae7a67dfcc62a1175aba">stk::Guitar::controlChange</a></div><div class="ttdeci">void controlChange(int number, StkFloat value, int string=-1)</div><div class="ttdoc">Perform the control change specified by number and value (0.0 - 128.0).</div></div>
<div class="ttc" id="aclassstk_1_1Guitar_html_aee53aa17d760670cc875c06f1de6af91"><div class="ttname"><a href="classstk_1_1Guitar.html#aee53aa17d760670cc875c06f1de6af91">stk::Guitar::lastOut</a></div><div class="ttdeci">StkFloat lastOut(void)</div><div class="ttdoc">Return the last computed output value.</div><div class="ttdef"><b>Definition:</b> Guitar.h:93</div></div>
<div class="ttc" id="aclassstk_1_1OnePole_html"><div class="ttname"><a href="classstk_1_1OnePole.html">stk::OnePole</a></div><div class="ttdoc">STK one-pole filter class.</div><div class="ttdef"><b>Definition:</b> OnePole.h:21</div></div>
<div class="ttc" id="aclassstk_1_1OnePole_html_a3c83b6d43f76bec06f11caa9de76881e"><div class="ttname"><a href="classstk_1_1OnePole.html#a3c83b6d43f76bec06f11caa9de76881e">stk::OnePole::tick</a></div><div class="ttdeci">StkFloat tick(StkFloat input)</div><div class="ttdoc">Input one sample to the filter and return one output.</div><div class="ttdef"><b>Definition:</b> OnePole.h:80</div></div>
<div class="ttc" id="aclassstk_1_1StkFrames_html"><div class="ttname"><a href="classstk_1_1StkFrames.html">stk::StkFrames</a></div><div class="ttdoc">An STK class to handle vectorized audio data.</div><div class="ttdef"><b>Definition:</b> Stk.h:287</div></div>
<div class="ttc" id="aclassstk_1_1StkFrames_html_a0340d9e76707282658e49509a568f60e"><div class="ttname"><a href="classstk_1_1StkFrames.html#a0340d9e76707282658e49509a568f60e">stk::StkFrames::channels</a></div><div class="ttdeci">unsigned int channels(void) const</div><div class="ttdoc">Return the number of channels represented by the data.</div><div class="ttdef"><b>Definition:</b> Stk.h:415</div></div>
<div class="ttc" id="aclassstk_1_1StkFrames_html_a0fc22e21feecdee966f0203722b9c168"><div class="ttname"><a href="classstk_1_1StkFrames.html#a0fc22e21feecdee966f0203722b9c168">stk::StkFrames::frames</a></div><div class="ttdeci">unsigned int frames(void) const</div><div class="ttdoc">Return the number of sample frames represented by the data.</div><div class="ttdef"><b>Definition:</b> Stk.h:418</div></div>
<div class="ttc" id="aclassstk_1_1Stk_html"><div class="ttname"><a href="classstk_1_1Stk.html">stk::Stk</a></div><div class="ttdoc">STK base class.</div><div class="ttdef"><b>Definition:</b> Stk.h:144</div></div>
<div class="ttc" id="aclassstk_1_1Stk_html_a48ac73a0d8ca28445ba1a054e1f061ff"><div class="ttname"><a href="classstk_1_1Stk.html#a48ac73a0d8ca28445ba1a054e1f061ff">stk::Stk::handleError</a></div><div class="ttdeci">static void handleError(const char *message, StkError::Type type)</div><div class="ttdoc">Static function for error reporting and handling using c-strings.</div></div>
<div class="ttc" id="aclassstk_1_1Stk_html_a5fbe37000a611ce56075ee7d8936472d"><div class="ttname"><a href="classstk_1_1Stk.html#a5fbe37000a611ce56075ee7d8936472d">stk::Stk::sampleRate</a></div><div class="ttdeci">static StkFloat sampleRate(void)</div><div class="ttdoc">Static method that returns the current STK sample rate.</div><div class="ttdef"><b>Definition:</b> Stk.h:156</div></div>
<div class="ttc" id="anamespacestk_html"><div class="ttname"><a href="namespacestk.html">stk</a></div><div class="ttdoc">The STK namespace.</div><div class="ttdef"><b>Definition:</b> ADSR.h:8</div></div>
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