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diff --git a/gui/libs/ofxAChaosLib/src/AChaosIkeda.h b/gui/libs/ofxAChaosLib/src/AChaosIkeda.h
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+/*
+ 32/64 bits A-Chaos Lib in openFrameworks
+ (c) s373.net/x 2004, 2012, 2015
+ http://s373.net/code/A-Chaos-Lib/A-Chaos.html
+ programmed by Andre Sier, revised 2015
+ License: MIT
+*/
+#pragma once
+#include "AChaosBase.h"
+
+class AChaosIkeda : public AChaosBase {
+public:
+
+ REAL a, b, k, p, nx, ny;
+
+ AChaosIkeda(){}
+ ~AChaosIkeda(){}
+
+ vector<string> param_labels={"a","b","k","p","",""};
+
+ virtual void setup(REAL * params = NULL){
+
+ AChaosBase::init(params, 6, 2);
+ if(params==NULL){
+ //init
+ a=0.85;
+ b=0.9;
+ k=0.4;
+ p=7.7;
+ nx=0;
+ ny=0;
+ REAL pa[6] = {nx,ny,a,b,k,p};
+ set(pa);
+ } else { set(params); }
+
+ }
+
+ void reset(){
+ nx = iv[0];
+ ny = iv[1];
+ a = iv[2];
+ b = iv[3];
+ k = iv[4];
+ p = iv[5];
+ }
+
+ void calc(){
+ REAL x0 = nx, y0 = ny;
+ REAL temp = (p/(1+x0*x0+y0*y0));
+ REAL cosx = (COS(b-temp));
+ REAL sinx = (SIN(b-temp));
+ /*
+ xn+1 = a + k*( x0*cos(b-(p/(1+x0*x0+y0*y0))) - y0*sin(b-(p/(1*x0*x0+y0*y0))) )
+ yn+1 = k*( x0*sin(b-(p/(1+x0*x0+y0*y0))) - y0*cos(b-(p/(1*x0*x0+y0*y0))) )
+ */
+ nx = a + k*(x0*cosx)-y0*sinx;
+ ny = k*sinx -y0*cosx;
+
+ ov[0] = nx;
+ ov[1] = ny;
+ }
+}; \ No newline at end of file