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stk/doc/html/Resonate_8h-source.html
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<h1>Resonate.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef STK_RESONATE_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define STK_RESONATE_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include "Instrmnt.h"</span>
<a name="l00005"></a>00005 <span class="preprocessor">#include "ADSR.h"</span>
<a name="l00006"></a>00006 <span class="preprocessor">#include "BiQuad.h"</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include "Noise.h"</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="keyword">namespace </span>stk {
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">/***************************************************/</span>
<a name="l00028"></a>00028 <span class="comment">/***************************************************/</span>
<a name="l00029"></a>00029
<a name="l00030"></a><a class="code" href="classstk_1_1Resonate.html">00030</a> <span class="keyword">class </span><a class="code" href="classstk_1_1Resonate.html" title="STK noise driven formant filter.">Resonate</a> : <span class="keyword">public</span> <a class="code" href="classstk_1_1Instrmnt.html" title="STK instrument abstract base class.">Instrmnt</a>
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 <span class="keyword">public</span>:
<a name="l00034"></a>00034 <a class="code" href="classstk_1_1Resonate.html#b273b41ec296f776a41cfa66bb1e430e" title="Class constructor.">Resonate</a>( <span class="keywordtype">void</span> );
<a name="l00035"></a>00035
<a name="l00037"></a>00037 <a class="code" href="classstk_1_1Resonate.html#634ab2db8eabad147fa90fb1bf72a580" title="Class destructor.">~Resonate</a>( <span class="keywordtype">void</span> );
<a name="l00038"></a>00038
<a name="l00040"></a>00040 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Resonate.html#534740efbbde171d790309e85c96017d" title="Reset and clear all internal state.">clear</a>( <span class="keywordtype">void</span> );
<a name="l00041"></a>00041
<a name="l00043"></a>00043 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Resonate.html#8767e6c05862c183483776ac4cf354f9" title="Set the filter for a resonance at the given frequency (Hz) and radius.">setResonance</a>( StkFloat frequency, StkFloat radius );
<a name="l00044"></a>00044
<a name="l00046"></a>00046 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Resonate.html#d4476301fba545cbbfc773150ca6901d" title="Set the filter for a notch at the given frequency (Hz) and radius.">setNotch</a>( StkFloat frequency, StkFloat radius );
<a name="l00047"></a>00047
<a name="l00049"></a><a class="code" href="classstk_1_1Resonate.html#d8000ad734634ac7334f4fab09a13a7e">00049</a> <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Resonate.html#d8000ad734634ac7334f4fab09a13a7e" title="Set the filter zero coefficients for contant resonance gain.">setEqualGainZeroes</a>( <span class="keywordtype">void</span> ) { filter_.<a class="code" href="classstk_1_1BiQuad.html#28881f5876ce5bdcc846367cca9363f7" title="Sets the filter zeroes for equal resonance gain.">setEqualGainZeroes</a>(); };
<a name="l00050"></a>00050
<a name="l00052"></a><a class="code" href="classstk_1_1Resonate.html#febf784a302eb0043b4a453b0d1d852c">00052</a> <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Resonate.html#febf784a302eb0043b4a453b0d1d852c" title="Initiate the envelope with a key-on event.">keyOn</a>( <span class="keywordtype">void</span> ) { adsr_.<a class="code" href="classstk_1_1ADSR.html#ad03e82009a20cfb49c1f04bae791631" title="Set target = 1, state = ADSR::ATTACK.">keyOn</a>(); };
<a name="l00053"></a>00053
<a name="l00055"></a><a class="code" href="classstk_1_1Resonate.html#0008e1fdd7611b769b72b52c8bfb1e6a">00055</a> <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Resonate.html#0008e1fdd7611b769b72b52c8bfb1e6a" title="Signal a key-off event to the envelope.">keyOff</a>( <span class="keywordtype">void</span> ) { adsr_.<a class="code" href="classstk_1_1ADSR.html#9400e04b313ab8900a3ba9b693f448e6" title="Set target = 0, state = ADSR::RELEASE.">keyOff</a>(); };
<a name="l00056"></a>00056
<a name="l00058"></a>00058 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Resonate.html#76bfadc70f4163f9767e7864d322d144" title="Start a note with the given frequency and amplitude.">noteOn</a>( StkFloat frequency, StkFloat amplitude );
<a name="l00059"></a>00059
<a name="l00061"></a>00061 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Resonate.html#0454a8e9d6ef3a2394b6c348edf0195f" title="Stop a note with the given amplitude (speed of decay).">noteOff</a>( StkFloat amplitude );
<a name="l00062"></a>00062
<a name="l00064"></a>00064 <span class="keywordtype">void</span> <a class="code" href="classstk_1_1Resonate.html#f55feabf25f1f6f996c32574656ffd68" title="Perform the control change specified by number and value (0.0 - 128.0).">controlChange</a>( <span class="keywordtype">int</span> number, StkFloat value );
<a name="l00065"></a>00065
<a name="l00067"></a>00067 StkFloat <a class="code" href="classstk_1_1Resonate.html#b917279f4f57d5d305481426e9bffd98" title="Compute and return one output sample.">tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> channel = 0 );
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keyword">protected</span>:
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <a class="code" href="classstk_1_1ADSR.html" title="STK ADSR envelope class.">ADSR</a> adsr_;
<a name="l00072"></a>00072 <a class="code" href="classstk_1_1BiQuad.html" title="STK biquad (two-pole, two-zero) filter class.">BiQuad</a> filter_;
<a name="l00073"></a>00073 <a class="code" href="classstk_1_1Noise.html" title="STK noise generator.">Noise</a> noise_;
<a name="l00074"></a>00074 StkFloat poleFrequency_;
<a name="l00075"></a>00075 StkFloat poleRadius_;
<a name="l00076"></a>00076 StkFloat zeroFrequency_;
<a name="l00077"></a>00077 StkFloat zeroRadius_;
<a name="l00078"></a>00078
<a name="l00079"></a>00079 };
<a name="l00080"></a>00080
<a name="l00081"></a><a class="code" href="classstk_1_1Resonate.html#b917279f4f57d5d305481426e9bffd98">00081</a> <span class="keyword">inline</span> StkFloat <a class="code" href="classstk_1_1Resonate.html#b917279f4f57d5d305481426e9bffd98" title="Compute and return one output sample.">Resonate :: tick</a>( <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> )
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 lastFrame_[0] = filter_.<a class="code" href="classstk_1_1BiQuad.html#648086962c3cddcaa09c46a002c3e635" title="Input one sample to the filter and return a reference to one output.">tick</a>( noise_.<a class="code" href="classstk_1_1Noise.html#8ac40f69475eb744e803d557e8438a6d" title="Compute and return one output sample.">tick</a>() );
<a name="l00084"></a>00084 lastFrame_[0] *= adsr_.<a class="code" href="classstk_1_1ADSR.html#f2c0869f86210a55f4f668172373c975" title="Compute and return one output sample.">tick</a>();
<a name="l00085"></a>00085 <span class="keywordflow">return</span> lastFrame_[0];
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087
<a name="l00088"></a>00088 } <span class="comment">// stk namespace</span>
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="preprocessor">#endif</span>
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