import ddf.minim.*;
import ddf.minim.analysis.*;


Minim       minim;
AudioPlayer song;
FFT         fft;

float[][] lineArray;		//holds the FFT data
float[][] tempLineArray;	//holds the temp FFT data to shift FFT data down the screen

int cols = 600;		//width of lines across
int rows = 62;		//number of lines down
int xoffset = 150;	//X offset
int yoffset = 12;	//distance between lines
int yshift = 100;	//Y shift from top of screen


void setup(){
size(900,900);
background(0);
smooth();

	minim = new Minim(this);
  	song = minim.loadFile("song.mp3",1024);
  	song.play();
  	fft = new FFT( song.bufferSize(), song.sampleRate() );

  	  lineArray = new float[cols][rows];
  	  tempLineArray = new float[cols][rows];
}

void draw(){
	background(0);
	stroke(180);
	strokeWeight(2);
	fill(0);
	sound();
	displayLines();
}


void sound(){					//writes current band to 0 position of lineArray

for(int i = 0; i < cols; i++)
  {
    lineArray[i][0]=song.left.get(i)*30;
  }

}

void displayLines(){

for(int x = 0; x<rows-1;x++){				//shifts all lineArray data to tempLineArray down one then writes it back to lineArray
  	for(int i = 0; i < cols;i++){
    tempLineArray[i][x+1]=lineArray[i][x];
    lineArray[i][x]=tempLineArray[i][x];

	}
}

 for(int y =1;y<rows-1;y++){

    beginShape();
    vertex(xoffset,height);

    for(int x=0;x<cols;x++){

      vertex(xoffset+x,lineArray[x][y]+y*yoffset+yshift);

    }

  	vertex(width-xoffset,height);
    endShape(CLOSE);
  }
  noStroke();
  rect(0,0,xoffset+5,height);
  rect(width-xoffset-5,0,width,height);
  	fill(180);
  	textFont(createFont("arial.ttf",75));
	text("TALKING HEADS", xoffset, yshift-15);
	fill(255);
	textFont(createFont("arialbd.ttf",49));
	text("NOTHING BUT FLOWERS", xoffset, height-10);

}


void mousePressed(){
	noLoop();
}


void stop(){
  minim.stop();
  super.stop();
  song.close();
}