add altered AChaoslib

1 files changed, 74 insertions, 0 deletions

diff --git a/gui/libs/ofxAChaosLib/src/AChaosRossler.h b/gui/libs/ofxAChaosLib/src/AChaosRossler.h
new file mode 100644
index 0000000..3bbbc42
--- /dev/null
+++ b/gui/libs/ofxAChaosLib/src/AChaosRossler.h
@@ -0,0 +1,74 @@
+/*
+	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"
+
+#define rosx(y,z)		-((y)+(z))
+#define rosy(x,y,a)		(x)+((a)*(y))
+#define rosz(x,z,b,c)	(b)+((x)*(z))-((c)*(z))
+
+class AChaosRossler : public AChaosBase {
+public:
+
+	REAL a, b, c, nx, ny, nz,dt;
+
+	vector<string> param_labels={"a","b","c","","","","dt"};
+	
+	AChaosRossler(){}
+	~AChaosRossler(){}	
+
+	virtual void setup(REAL * params = NULL){
+	
+		AChaosBase::init(params, 7, 3);	
+		if(params==NULL){		
+			//classic rossler
+			a = 0.2;
+			b = 0.2;
+			c = 5.7;
+			nx = 1;
+			ny = 1;
+			nz = 1;
+			dt = 0.01;
+			REAL p[7] = {a,b,c,nx,ny,nz,dt};
+			set(p);
+		} else { set(params); }
+
+	}
+
+	void reset(){
+		a = iv[0];
+		b = iv[1];
+		c = iv[2];
+		nx = iv[3];
+		ny = iv[4];
+		nz = iv[5];
+		dt = iv[6];
+	}
+	
+
+	void calc(){ 	
+		REAL fx, fy, fz, ffx, ffy, ffz, dt2 = dt/2.;
+		REAL dtfx, dtfy, dtfz;
+			
+		fx = rosx(ny,nz);
+		fy = rosy(nx,ny,a);
+		fz = rosz(nx,nz,b,c);
+
+		ffx = rosx((ny+dt*fy), (nz+(dt*fz)));
+		ffy = rosy((nx+dt*nx), (ny+dt*ny), a);
+		ffz = rosz((nx+dt*fx), (nz+dt*nz), b, c);
+
+		nx += (dt2*(fx+ffx));
+		ny += (dt2*(fy+ffy));
+		nz += (dt2*(fz+ffz));
+
+		ov[0] = nx;
+		ov[1] = ny;
+		ov[2] = nz;
+ 	}
+};
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