From fb68eed64f548d090eb550047fd0d898e4e033fc Mon Sep 17 00:00:00 2001
From: Tim Redfern <tim@getdrop.com>
Date: Sun, 8 Jul 2018 12:22:06 +0100
Subject: add altered AChaoslib

---
 gui/libs/ofxAChaosLib/src/AChaosCollatz.h | 58 +++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 gui/libs/ofxAChaosLib/src/AChaosCollatz.h

(limited to 'gui/libs/ofxAChaosLib/src/AChaosCollatz.h')

diff --git a/gui/libs/ofxAChaosLib/src/AChaosCollatz.h b/gui/libs/ofxAChaosLib/src/AChaosCollatz.h
new file mode 100644
index 0000000..f57d7b7
--- /dev/null
+++ b/gui/libs/ofxAChaosLib/src/AChaosCollatz.h
@@ -0,0 +1,58 @@
+/*
+	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 AChaosCollatz : public AChaosBase {
+public:
+
+	long value, offset;
+	bool mode;
+	
+
+	AChaosCollatz(){}
+	~AChaosCollatz(){}	
+
+	vector<string> param_labels={"","offset"};
+
+	virtual void setup(REAL * params = NULL){
+		AChaosBase::init(params, 3, 1);
+
+		if(params==NULL){
+			//init
+			value = offset = 0;
+			mode = 0;
+		
+			REAL p[3] = {(REAL)value,(REAL)offset,(REAL)mode};
+			set(p);
+		} else { set(params); }
+	}
+
+	void reset(){
+		value = (long) iv[0];
+		offset = (long) iv[1];
+		mode = iv[2]>0;
+	}
+	
+ 	void calc(){
+		
+		short int stub = value % 2; //par ou impar
+		 
+		if(!mode) { 				// L.Collatz collatz mode
+			 if (!stub) value /= 2;		//par ]e metade
+			 else value = 3*value+1;	//impar ]e 3n+1			 
+			}
+		else if (mode) { 				// Terras collatz mode
+			 if (!stub) value /= 2;		//par ]e metade
+			 else value = 0.5*(3*value+1);	//impar ]e 1/2(3n+1)			
+			}
+
+		ov[0] = (REAL)value;
+ 	}
+};
\ No newline at end of file
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