import ddf.minim.*;
import controlP5.*;

//declaration of minim object
Minim minim;
//audio input variable
AudioInput sound;
//declaration of ControlP5 object
ControlP5 cp5;

float weight_1 = 1;
float weight_2 = 1;

//sound amplitude multiplier
float amplitude = 150;

//size of radial wave
float radius = 20;


void setup() {
  size(1920, 1080);
  
  minim = new Minim(this);
  sound = minim.getLineIn(Minim.STEREO, 1024);
  
  cp5 = new ControlP5(this);
  
  ///declare a slider with a range of 0 - 100
  cp5.addSlider("weight_1")
    .setPosition(40,830)
    .setRange(0,100)
    .setSize(20,200)
    .setValue(0)
    .setColorForeground(color(20,200,200))
     .setColorLabel(color(0))
     .setColorBackground(color(70,70,70))
     .setColorValue(color(0,0,0))
     .setColorActive(color(0,255,255))
  ;
  
    cp5.addSlider("weight_2")
    .setPosition(1860,830)
    .setRange(0,100)
    .setSize(20,200)
    .setValue(0)
    .setColorForeground(color(20,200,200))
     .setColorLabel(color(0))
     .setColorBackground(color(70,70,70))
     .setColorValue(color(0,0,0))
     .setColorActive(color(0,255,255))
  ;
  
  
}

void draw()
{
  background(weight_2*2.5,weight_1*2.5,255);
  stroke(0,weight_1*2.5,weight_2*2.5);
  strokeWeight(weight_2);
  //creare a radian step size for angle interval based on 1024 sound samples
  float radians_step = 2*PI/sound.bufferSize();
  for(int i = 0; i < sound.bufferSize()-1; i++){ 
    ////calculate positions to create a line based on a circle
    float xpos1 = width/2 + (sound.mix.get(i)*weight_2*100+weight_1*3) * cos(i*radians_step);
    float ypos1 = height/2 + (sound.mix.get(i)*weight_2*100+weight_1*3) * sin(i*radians_step);
    float xpos2 = width/2 + (sound.mix.get(i)*weight_2*100+weight_1*3) * cos((i+1)*radians_step);
    float ypos2 = height/2 + (sound.mix.get(i)*weight_2*100+weight_1*3) * sin((i+1)*radians_step);
    line( xpos1,ypos1,xpos2,ypos2);
  }

}