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<div class="contents">
<a href="_easing_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">/*</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment"> ==============================================================================</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment"> </span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment"> This file is part of the iPlug 2 library. Copyright (C) the iPlug 2 developers. </span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment"> </span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment"> See LICENSE.txt for more info.</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment"> </span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment"> ==============================================================================</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">*/</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span> </div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="preprocessor">#ifndef _USE_MATH_DEFINES</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="preprocessor">#define _USE_MATH_DEFINES</span></div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="preprocessor">#include <math.h></span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="preprocessor">#include "<a class="code" href="_i_plug_platform_8h.html">IPlugPlatform.h</a>"</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span>BEGIN_IPLUG_NAMESPACE</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="comment">// line y = x ^ 1/c;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span>T EasePowCurve(T x, T c)</div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span>{</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> <span class="keywordflow">return</span> std::pow(x, 1.0 / c);</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span>}</div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="comment">// line y = x</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span>T EaseLinear(T x)</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span>{</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <span class="keywordflow">return</span> x;</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span>}</div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="comment">// parabola y = x^2</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>T EaseQuadraticIn(T x)</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>{</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">return</span> x * x;</div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span>}</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment">// parabola y = -x^2 + 2x</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span>T EaseQuadraticOut(T x)</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span>{</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="keywordflow">return</span> -(x * (x - 2));</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span>}</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="comment">// piecewise quadratic</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="comment">// y = (1/2)((2x)^2) ; [0, 0.5)</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="comment">// y = -(1/2)((2x-1)*(2x-3) - 1) ; [0.5, 1]</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span>T EaseQuadraticInOut(T x)</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span>{</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">if</span>(x < 0.5)</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> {</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> <span class="keywordflow">return</span> 2 * x * x;</div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> }</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> {</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">return</span> (-2 * x * x) + (4 * x) - 1;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span>}</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="comment">// cubic y = x^3</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span>T EaseCubicIn(T x)</div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span>{</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> <span class="keywordflow">return</span> x * x * x;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span>}</div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> </div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="comment">// cubic y = (x - 1)^3 + 1</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span>T EaseCubicOut(T x)</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span>{</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> T f = (x - 1);</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keywordflow">return</span> f * f * f + 1;</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span>}</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="comment">// piecewise cubic</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="comment">// y = (1/2)((2x)^3) ; [0, 0.5)</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="comment">// y = (1/2)((2x-2)^3 + 2) ; [0.5, 1]</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span>T EaseCubicInOut(T x)</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span>{</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="keywordflow">if</span>(x < 0.5)</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> {</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> <span class="keywordflow">return</span> 4 * x * x * x;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> }</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> {</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> T f = ((2 * x) - 2);</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">return</span> 0.5 * f * f * f + 1;</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> }</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span>}</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> </div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span><span class="comment">// quartic x^4</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span>T EaseQuarticIn(T x)</div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span>{</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">return</span> x * x * x * x;</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span>}</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> </div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span><span class="comment">// quartic y = 1 - (x - 1)^4</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span>T EaseQuarticOut(T x)</div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span>{</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> T f = (x - 1);</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <span class="keywordflow">return</span> f * f * f * (1 - x) + 1;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span>}</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span><span class="comment">// piecewise quartic</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span><span class="comment">// y = (1/2)((2x)^4) ; [0, 0.5)</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span><span class="comment">// y = -(1/2)((2x-2)^4 - 2) ; [0.5, 1]</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span>T EaseQuarticInOut(T x)</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span>{</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> <span class="keywordflow">if</span>(x < 0.5)</div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> {</div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> <span class="keywordflow">return</span> 8 * x * x * x * x;</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> }</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> {</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> T f = (x - 1);</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="keywordflow">return</span> -8 * f * f * f * f + 1;</div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> }</div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span>}</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> </div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span><span class="comment">// quintic y = x^5</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span>T EaseQuinticIn(T x)</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span>{</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <span class="keywordflow">return</span> x * x * x * x * x;</div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span>}</div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> </div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span><span class="comment">// quintic y = (x - 1)^5 + 1</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span>T EaseQuinticOut(T x)</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span>{</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> T f = (x - 1);</div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> f * f * f * f * f + 1;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>}</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="comment">// piecewise quintic</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span><span class="comment">// y = (1/2)((2x)^5) ; [0, 0.5)</span></div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span><span class="comment">// y = (1/2)((2x-2)^5 + 2) ; [0.5, 1]</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span>T EaseQuinticInOut(T x)</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span>{</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keywordflow">if</span>(x < 0.5)</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> {</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> <span class="keywordflow">return</span> 16 * x * x * x * x * x;</div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> }</div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> {</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> T f = ((2 * x) - 2);</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> <span class="keywordflow">return</span> 0.5 * f * f * f * f * f + 1;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> }</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span>}</div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span><span class="comment">// Modeled after quarter-cycle of sine wave</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span>T EaseSineIn(T x)</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span>{</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordflow">return</span> std::sin((x - 1) * M_PI_2) + 1;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span>}</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> </div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span><span class="comment">// Modeled after quarter-cycle of sine wave (different phase)</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span>T EaseSineOut(T x)</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span>{</div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="keywordflow">return</span> std::sin(x * M_PI_2);</div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span>}</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span><span class="comment">// Modeled after half sine wave</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span>T EaseSineInOut(T x)</div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span>{</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">return</span> 0.5 * (1 - std::cos(x * M_PI));</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span>}</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> </div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span><span class="comment">// Modeled after shifted quadrant IV of unit circle</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span>T EaseCircularIn(T x)</div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span>{</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> <span class="keywordflow">return</span> 1 - std::sqrt(1 - (x * x));</div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span>}</div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> </div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span><span class="comment">// Modeled after shifted quadrant II of unit circle</span></div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span>T EaseCircularOut(T x)</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span>{</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> <span class="keywordflow">return</span> std::sqrt((2 - x) * x);</div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span>}</div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> </div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span><span class="comment">// piecewise circular function</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span><span class="comment">// y = (1/2)(1 - std::sqrt(1 - 4x^2)) ; [0, 0.5)</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span><span class="comment">// y = (1/2)(std::sqrt(-(2x - 3)*(2x - 1)) + 1) ; [0.5, 1]</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span>T EaseCircularInOut(T x)</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span>{</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> <span class="keywordflow">if</span>(x < 0.5)</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> {</div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="keywordflow">return</span> 0.5 * (1 - std::sqrt(1 - 4 * (x * x)));</div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> }</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> {</div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> <span class="keywordflow">return</span> 0.5 * (std::sqrt(-((2 * x) - 3) * ((2 * x) - 1)) + 1);</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> }</div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span>}</div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> </div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span><span class="comment">// exponential function y = 2^(10(x - 1))</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span>T EaseExponentialIn(T x)</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span>{</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> <span class="keywordflow">return</span> (x == 0.0) ? x : std::pow(2, 10 * (x - 1));</div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span>}</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span> </div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span><span class="comment">// exponential function y = -2^(-10x) + 1</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span>T EaseExponentialOut(T x)</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span>{</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> <span class="keywordflow">return</span> (x == 1.0) ? x : 1 - std::pow(2, -10 * x);</div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span>}</div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> </div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span><span class="comment">// piecewise exponential</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span><span class="comment">// y = (1/2)2^(10(2x - 1)) ; [0,0.5)</span></div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span><span class="comment">// y = -(1/2)*2^(-10(2x - 1))) + 1 ; [0.5,1]</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span>T EaseExponentialInOut(T x)</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span>{</div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="keywordflow">if</span>(x == 0.0 || x == 1.0) <span class="keywordflow">return</span> x;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> <span class="keywordflow">if</span>(x < 0.5)</div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> {</div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> <span class="keywordflow">return</span> 0.5 * std::pow(2, (20 * x) - 10);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> }</div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span> {</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> <span class="keywordflow">return</span> -0.5 * std::pow(2, (-20 * x) + 10) + 1;</div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span> }</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span>}</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> </div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span><span class="comment">// damped sine wave y = std::sin(13pi/2*x)*std::pow(2, 10 * (x - 1))</span></div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno"> 251</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno"> 252</span>T EaseElasticIn(T x)</div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno"> 253</span>{</div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno"> 254</span> <span class="keywordflow">return</span> std::sin(13 * M_PI_2 * x) * std::pow(2, 10 * (x - 1));</div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno"> 255</span>}</div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno"> 256</span> </div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno"> 257</span><span class="comment">// damped sine wave y = std::sin(-13pi/2*(x + 1))*std::pow(2, -10x) + 1</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno"> 258</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno"> 259</span>T EaseElasticOut(T x)</div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno"> 260</span>{</div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno"> 261</span> <span class="keywordflow">return</span> std::sin(-13 * M_PI_2 * (x + 1)) * std::pow(2, -10 * x) + 1;</div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno"> 262</span>}</div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno"> 263</span> </div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno"> 264</span><span class="comment">// piecewise exponentially-damped sine wave:</span></div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno"> 265</span><span class="comment">// y = (1/2)*std::sin(13pi/2*(2*x))*std::pow(2, 10 * ((2*x) - 1)) ; [0,0.5)</span></div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno"> 266</span><span class="comment">// y = (1/2)*(std::sin(-13pi/2*((2x-1)+1))*std::pow(2,-10(2*x-1)) + 2) ; [0.5, 1]</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno"> 267</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno"> 268</span>T EaseElasticInOut(T x)</div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno"> 269</span>{</div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno"> 270</span> <span class="keywordflow">if</span>(x < 0.5)</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno"> 271</span> {</div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno"> 272</span> <span class="keywordflow">return</span> 0.5 * std::sin(13 * M_PI_2 * (2 * x)) * std::pow(2, 10 * ((2 * x) - 1));</div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno"> 273</span> }</div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno"> 274</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno"> 275</span> {</div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno"> 276</span> <span class="keywordflow">return</span> 0.5 * (std::sin(-13 * M_PI_2 * ((2 * x - 1) + 1)) * std::pow(2, -10 * (2 * x - 1)) + 2);</div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno"> 277</span> }</div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno"> 278</span>}</div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno"> 279</span> </div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno"> 280</span><span class="comment">// overshooting cubic y = x^3-x*std::sin(x*pi)</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno"> 281</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno"> 282</span>T EaseBackIn(T x)</div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno"> 283</span>{</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno"> 284</span> <span class="keywordflow">return</span> x * x * x - x * std::sin(x * M_PI);</div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno"> 285</span>}</div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno"> 286</span> </div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno"> 287</span><span class="comment">// Modeled after overshooting cubic y = 1-((1-x)^3-(1-x)*std::sin((1-x)*pi))</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno"> 288</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno"> 289</span>T EaseBackOut(T x)</div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno"> 290</span>{</div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno"> 291</span> T f = (1 - x);</div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno"> 292</span> <span class="keywordflow">return</span> 1 - (f * f * f - f * std::sin(f * M_PI));</div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno"> 293</span>}</div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno"> 294</span> </div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno"> 295</span><span class="comment">// piecewise overshooting cubic function:</span></div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno"> 296</span><span class="comment">// y = (1/2)*((2x)^3-(2x)*std::sin(2*x*pi)) ; [0, 0.5)</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno"> 297</span><span class="comment">// y = (1/2)*(1-((1-x)^3-(1-x)*std::sin((1-x)*pi))+1) ; [0.5, 1]</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno"> 298</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno"> 299</span>T EaseBackInOut(T x)</div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno"> 300</span>{</div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno"> 301</span> <span class="keywordflow">if</span>(x < 0.5)</div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno"> 302</span> {</div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno"> 303</span> T f = 2 * x;</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno"> 304</span> <span class="keywordflow">return</span> 0.5 * (f * f * f - f * std::sin(f * M_PI));</div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno"> 305</span> }</div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno"> 306</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno"> 307</span> {</div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno"> 308</span> T f = (1 - (2*x - 1));</div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno"> 309</span> <span class="keywordflow">return</span> 0.5 * (1 - (f * f * f - f * std::sin(f * M_PI))) + 0.5;</div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno"> 310</span> }</div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno"> 311</span>}</div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno"> 312</span> </div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno"> 313</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno"> 314</span>T EaseBounceOut(T x)</div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno"> 315</span>{</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno"> 316</span> <span class="keywordflow">if</span>(x < 4/11.0)</div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno"> 317</span> {</div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno"> 318</span> <span class="keywordflow">return</span> (121 * x * x)/16.0;</div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno"> 319</span> }</div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno"> 320</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span>(x < 8/11.0)</div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno"> 321</span> {</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno"> 322</span> <span class="keywordflow">return</span> (363/40.0 * x * x) - (99/10.0 * x) + 17/5.0;</div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno"> 323</span> }</div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno"> 324</span> <span class="keywordflow">else</span> <span class="keywordflow">if</span>(x < 9/10.0)</div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno"> 325</span> {</div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno"> 326</span> <span class="keywordflow">return</span> (4356/361.0 * x * x) - (35442/1805.0 * x) + 16061/1805.0;</div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno"> 327</span> }</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno"> 328</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno"> 329</span> {</div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno"> 330</span> <span class="keywordflow">return</span> (54/5.0 * x * x) - (513/25.0 * x) + 268/25.0;</div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno"> 331</span> }</div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno"> 332</span>}</div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno"> 333</span> </div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno"> 334</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno"> 335</span>T EaseBounceIn(T x)</div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno"> 336</span>{</div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno"> 337</span> <span class="keywordflow">return</span> 1 - EaseBounceOut(1 - x);</div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno"> 338</span>}</div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno"> 339</span> </div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno"> 340</span><span class="keyword">template</span><<span class="keyword">class</span> T></div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno"> 341</span>T EaseBounceInOut(T x)</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno"> 342</span>{</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno"> 343</span> <span class="keywordflow">if</span>(x < 0.5)</div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno"> 344</span> {</div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno"> 345</span> <span class="keywordflow">return</span> 0.5 * EaseBounceIn(x*2);</div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno"> 346</span> }</div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno"> 347</span> <span class="keywordflow">else</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno"> 348</span> {</div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno"> 349</span> <span class="keywordflow">return</span> 0.5 * EaseBounceOut(x * 2 - 1) + 0.5;</div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno"> 350</span> }</div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno"> 351</span>}</div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno"> 352</span> </div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno"> 353</span>END_IPLUG_NAMESPACE</div>
<div class="ttc" id="a_i_plug_platform_8h_html"><div class="ttname"><a href="_i_plug_platform_8h.html">IPlugPlatform.h</a></div><div class="ttdoc">Include to get consistently named preprocessor macros for different platforms and logging functionali...</div></div>
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