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spring function clarification
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@ -83,31 +83,32 @@ namespace MWRender
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float springOutGeneric(float x, float lambda, float w)
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float springOutGeneric(float x, float lambda)
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{
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// Higher lambda = lower swing amplitude. 1 = 150% swing amplitude.
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// W corresponds to the amount of overswings, more = more. 4.71 = 1 overswing, 7.82 = 2
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// w corresponds to the frequency of oscillation in the easing function, controlling the amount of overswing
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constexpr float w = 1.5f * osg::PIf; // 4.71238
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return 1 - expf(-lambda * x) * cos(w * x);
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}
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float springOutWeak(float x)
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{
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return springOutGeneric(x, 4, 4.71);
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return springOutGeneric(x, 4);
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}
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float springOutMed(float x)
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{
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return springOutGeneric(x, 3, 4.71);
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return springOutGeneric(x, 3);
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}
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float springOutStrong(float x)
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{
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return springOutGeneric(x, 2, 4.71);
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return springOutGeneric(x, 2);
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}
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float springOutTooMuch(float x)
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{
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return springOutGeneric(x, 1, 4.71);
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return springOutGeneric(x, 1);
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}
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const std::unordered_map<std::string, EasingFn> easingsMap = {
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