golyFunctions.cpp (1736B)
1 #include "golyFunctions.hpp" 2 3 Goly::Goly() { 4 for (int i = 0; i < 16; i++) { 5 currentValues[i] = 0.f; 6 } 7 8 } 9 //[A,B,C,D] 10 /* 11 std::vector<float> golyParams = 12 { 13 gp[0]= params[IN_OFFSET].getValue(), //-1,1 14 gp[1]= params[IN_SCALE].getValue(), //-2,2 15 gp[2]= arams[OUT_SCALE].getValue(), //-20, 20 16 gp[3]= params[OUT_OFFSET].getValue()}; // -10,10 17 18 19 */ 20 void Goly::invoke(int algorithm, std::vector<float> gp, int num = 16) { 21 float trigFactor = 2 * M_PI / num; 22 switch (algorithm) 23 { 24 case 0: // code to be executed if n = 1; 25 //linear 26 //ip / proportion 27 //defaults:[A,B,C,D]=[0,1,1,0] 28 // 29 // C*((ip-A)*B)+D 30 31 for (int i = 0; i < num; i++) { 32 float ip = (float)i / num; 33 currentValues[i] = gp[2] * ((ip - gp[0]) * gp[1]) + gp[3]; 34 } 35 break; 36 case 1: 37 //sigmoid 38 for (int i = 0; i < num; i++) { 39 float ip = (float)i / num; 40 float d = ip - gp[0] - 0.5; 41 currentValues[i] = gp[2] / (1 + exp(-d * exp(-4 * gp[1] + 6))) + gp[3]; 42 } 43 break; 44 case 2: 45 //hump 46 for (int i = 0; i < num; i++) { 47 float ip = (float)i / num; 48 float d = ip - gp[0] - 0.5; 49 currentValues[i] = gp[2] * exp(-d * d * exp(-5 * gp[1] + 7)) + gp[3]; 50 } 51 break; 52 case 3: 53 //sine wave 54 for (int i = 0; i < num; i++) { 55 float ip = (float)i / num; 56 float d = trigFactor * (ip - gp[0]); 57 currentValues[i] = gp[2] * (1 + sinf(d * exp(-1.5 * (gp[1] - 3)))) / 2 + gp[3]; 58 } 59 break; 60 case 4: 61 //pseudo random 62 for (int i = 0; i < num; i++) { 63 float ip = (float) i / num; 64 float d = trigFactor * (ip - gp[0]); 65 currentValues[i] = gp[2] * (4 + sinf(d * 29 - 3 + 16 * gp[1]) + sinf(-d * 24 - 2 + 39 * gp[1]) + sinf(d * 17 - 1 - 27 * gp[1]) + sinf(d * 109 + 12.2 - 17 * gp[1])) / 8 + gp[3]; 66 } 67 68 default: 69 int k = 0; 70 71 } 72 } 73