Add icon and second experiment

2 files changed, 78 insertions, 0 deletions

diff --git a/common/accel-experimenttwo.hpp b/common/accel-experimenttwo.hpp
new file mode 100644
index 0000000..8359cc2
--- /dev/null
+++ b/common/accel-experimenttwo.hpp
@@ -0,0 +1,77 @@
+#pragma once
+
+#include <math.h>
+
+#include "accel-base.hpp"
+
+namespace rawaccel {
+
+	/// <summary> Struct to hold sigmoid (s-shaped) gain implementation. </summary>
+	struct experimenttwo_impl {
+		double rate;
+		double limit;
+		double midpoint;
+		double subtractive_constant;
+
+		experimenttwo_impl(const accel_args& args) :
+			rate(pow(10,args.rate)), limit(2*log10(args.limit)), midpoint(log10(args.midpoint))
+		{
+			subtractive_constant = limit / 2;
+		}
+
+		inline double operator()(double speed) const {
+			double log_speed = log10(speed);
+			return pow(10, limit / (exp(-rate * (log_speed - midpoint)) + 1) - subtractive_constant);
+
+		}
+
+		inline double legacy_offset(double speed) const { return operator()(speed); }
+
+		inline double apply(double* lookup, double speed)
+		{
+			int index = map(speed);
+			double slope = lookup[index];
+			double intercept = lookup[index + 1];
+			return slope + intercept / speed;
+		}
+
+		inline int map(double speed)
+		{
+			return speed > 0 ? (int)floor(200*log10(speed)+402) : 0;
+		}
+
+		inline double fill(double* lookup)
+		{
+			double lookup_speed = 0;
+			double gain_integral_speed = 0;
+			double gain = 0;
+			double intercept = 0;
+			double output = 0;
+			int index = 0;
+
+			lookup[index] = gain;
+			lookup[index + 1] = intercept;
+
+			for (double x = -2.0; x <= 4.0; x += 0.01)
+			{
+				index+=2;
+				lookup_speed = pow(10,x);
+
+				while (gain_integral_speed < lookup_speed)
+				{
+					gain_integral_speed += 0.001;
+					gain = operator()(gain_integral_speed);
+					output += gain*0.001;
+				}
+
+				intercept = gain * lookup_speed - output;
+				lookup[index] = gain;
+				lookup[index + 1] = intercept;
+			}
+
+		}
+	};
+
+	using accel_experimentone = nonadditive_accel<experimenttwo_impl>;
+
+}
diff --git a/common/common.vcxitems b/common/common.vcxitems
index 21a58aa..b5cd374 100644
--- a/common/common.vcxitems
+++ b/common/common.vcxitems
@@ -17,6 +17,7 @@
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-base.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-classic.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-experimentone.hpp" />
+    <ClInclude Include="$(MSBuildThisFileDirectory)accel-experimenttwo.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-linear.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-logarithm.hpp" />
     <ClInclude Include="$(MSBuildThisFileDirectory)accel-natural.hpp" />