ofMath.h
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00001 00002 // notes: 00003 // ----------------------------------------------------------- 00004 // for fast things look here: http://musicdsp.org/archive.php?classid=5#115 00005 // ----------------------------------------------------------- 00006 // the random () calls are based on misconceptions described here: 00007 // http://www.azillionmonkeys.com/qed/random.html 00008 // (Bad advice from C.L.C. FAQ) 00009 // we should correct this -- 00010 // ----------------------------------------------------------- 00011 00012 00013 #ifndef _OF_MATH_H 00014 #define _OF_MATH_H 00015 00016 00017 #include "ofConstants.h" 00018 00019 int ofNextPow2 ( int a ); 00020 void ofSeedRandom(); 00021 void ofSeedRandom(int val); 00022 float ofRandom(float val0, float val1); // random (x - y) 00023 float ofRandomf(); // random (-1 - 1) 00024 float ofRandomuf(); // random (0 - 1) 00025 00026 float ofNormalize(float value, float min, float max); 00027 float ofMap(float value, float inputMin, float inputMax, float outputMin, float outputMax); 00028 float ofClamp(float value, float min, float max); 00029 float ofLerp(float start, float stop, float amt); 00030 float ofDist(float x1, float y1, float x2, float y2); 00031 float ofDistSquared(float x1, float y1, float x2, float y2); 00032 int ofSign(float n); 00033 bool ofInRange(float t, float min, float max); 00034 float ofRadToDeg(float radians); 00035 float ofDegToRad(float degrees); 00036 float ofRandomWidth(); 00037 float ofRandomHeight(); 00038 00039 #endif
