class SoundWorm
{
  SoundBox sbox;
  int x;
  int y;
 
  color hours_color;
  color minutes_color;
  color seconds_color;  
  
  SoundWorm(int x, int y, SoundBox sbox)
  {
    this.sbox = sbox;
    this.x = x;
    this.y = y;
  }
  
  void randomizeColors()
  {
    hours_color = color(random(255), random(255), random(255));
    minutes_color = color(random(255), random(255), random(255));
    seconds_color = color(random(255), random(255), random(255));
  }
  
  void display()
  {    
    //get current time
    Calendar rightNow = Calendar.getInstance();
    int seconds = rightNow.get(Calendar.SECOND);
    int minutes = rightNow.get(Calendar.MINUTE);
    int hours = rightNow.get(Calendar.HOUR); 
    boolean isPM = (rightNow.get(Calendar.AM_PM) == Calendar.PM);
    
     //set maximum arm attributes
    int max_arm_width = 2;
    int max_arm_length = min(width, height) / 3; 
    int max_arm_height = 30;       
  
    //draw circle
    pushMatrix();
    translate(x, y);
    noFill();    
    stroke(0, 0, 0);    
    smooth();
    if (isPM)
    {
      strokeWeight(10);
      ellipse(0, 0, 2 * (max_arm_length + max_arm_width + 10), 2 * (max_arm_length + max_arm_width + 10));    
    }
    else
    {
      strokeWeight(2);
      ellipse(0, 0, 2 * (max_arm_length + max_arm_width + 10) + 4, 2 * (max_arm_length + max_arm_width + 10) + 4);
      ellipse(0, 0, 2 * (max_arm_length + max_arm_width + 10) - 4, 2 * (max_arm_length + max_arm_width + 10) - 4);
    }
    popMatrix();    

    int interp;
    int buffer_length;
    
    if (!sbox.isActive())
    {
      interp = 0;
      buffer_length = Integer.MAX_VALUE;
    }
    else
    {
       interp = (int) max(0,(((millis()- sbox.audio_stream.bufferStartTime) / (float)sbox.audio_stream.duration) * sbox.audio_stream.size));
       buffer_length = sbox.audio_stream.buffer2.length;
    }
    
    // draw seconds arm  
    float seconds_angle = (((float)seconds / 60) * 360) - 90;    
    pushMatrix();    
    translate(x, y);
    rotate(radians(seconds_angle));   
    stroke(seconds_color); 
    strokeWeight(2); 
    
    beginShape(LINE_STRIP);
    curveVertex(0, 0);
    curveVertex(0, 0);
    int amplitude = 0;
    int maxx = 0;
    for ( int xx = 0; xx < max_arm_length; xx++) 
    {    
      if (sbox.isActive())
      {
        if ( xx + interp < buffer_length) 
        {     
          amplitude = (int) ((sbox.audio_stream.buffer2[xx + interp] * max_arm_height) * 2);              
          curveVertex( xx, amplitude);
          maxx = xx;        
        }
        else
        {
           break;
        }
      }
      else
      {
          amplitude = 0;              
          curveVertex( xx, amplitude);
          maxx = xx;   
      }   
    }
    curveVertex(maxx, 0);
    curveVertex(maxx, 0);  
    endShape();
    fill(0,0,0);  
    ellipse(maxx, 0, 10 , 10 );  
    popMatrix();  
  
    //draw minutes arm
    float minutes_angle = (((float)minutes / 60) * 360) - 90;    
    pushMatrix();    
    translate(x, y);
    rotate(radians(minutes_angle));   
    stroke(minutes_color);     
    
    beginShape(LINE_STRIP);
    curveVertex(0, 0);
    curveVertex(0, 0);
    amplitude = 0;
    maxx = 0;
    for ( int xx = 0; xx < (((float)2/3) * max_arm_length); xx++ ) 
    {      
      if (sbox.isActive())
      {
      
        if ( xx + interp < buffer_length) 
        {     
          amplitude = (int) ((sbox.audio_stream.buffer2[xx + interp] * max_arm_height) * 2);      
          curveVertex( xx, amplitude);
          maxx = xx;       
        }
        else
        {
          break;
        }
   
      }
      else
      {
         amplitude = 0;              
         curveVertex( xx, amplitude);
         maxx = xx;  
      }   
    }
    curveVertex(maxx, 0);  
    curveVertex(maxx, 0);
    endShape();    
    fill(0,0,0);
    ellipse(maxx, 0, 10 , 10 );    
    popMatrix();   
  
    //draw hours arm
    float hours_angle = (((float)hours / 12) * 360) - 90;    
    pushMatrix();    
    translate(x, y);
    rotate(radians(hours_angle));   
    stroke(hours_color);    
    beginShape(LINE_STRIP);
    curveVertex(0,0);
    curveVertex(0, 0);
    amplitude = 0;
    maxx = 0;
    for ( int xx= 0; xx < ((float)1/3) * max_arm_length; xx++ ) 
    {      
      if (sbox.isActive())
      {
        if ( xx + interp < buffer_length) 
        {     
          amplitude = (int) ((sbox.audio_stream.buffer2[xx + interp] * max_arm_height) * 2);      
          curveVertex( xx, amplitude);
          maxx = xx;        
        }
        else
        {
          break;  
        }
      }
      else
      {
         amplitude = 0;              
         curveVertex( xx, amplitude);
         maxx = xx;  
      }   
    }
    curveVertex(maxx, 0);
    curveVertex(maxx, 0);  
    endShape();
    fill(0,0,0);
    ellipse(maxx, 0, 10 , 10 );   
    popMatrix();
   
  }
  
  void update()
  {  
    //moveTowards(mouseX, mouseY);
    //rotateTowards(mouseX, mouseY);    
    
    if (x < 0)
    {
      x = 0;
    }
    
    if (x > width)
    {
       x = width;
    }
    
    if (y < 0)
    {
      y = 0;
    }
    
    if (y > height)
    {
      y = height;
    }    
  }
  
  void moveTowards(int t_x, int t_y)
  {
    if (x < t_x)
    {
      x++;
    }
    if (x > t_x)
    {
      x--;
    }
    
    if (y < t_y)
    {
      y++;
    }
    
    if(y > t_y)
    {
      y--;
    }
  }

  float rotateTowards(int t_x, int t_y, float angle)
  {
    if (t_x == x && t_y == y)
    {
      return angle;
    }

    float t_angle = degrees(atan2(t_y - y, t_x - x));
    if (t_angle < 0)
    {
      t_angle = 360 + t_angle;
    }
    
    t_angle -= 180;

    float angle_dist = abs(t_angle - angle);
    int rotate_speed = 5;   

    if (angle_dist > rotate_speed)
    {
      if (angle > t_angle)
      {
        if (angle_dist < 180)
        {
          angle -= rotate_speed;
        }
        else
        {
          angle += rotate_speed;
          angle %= 360;
        }                
      }
      else if (angle < t_angle)
      {
          if (angle_dist < 180)
          {
            angle += rotate_speed;
          }
          else
          {
            angle -= rotate_speed;
            angle %= 360;
            if (angle < 0)
            {
              angle += 360;
            }
          }
      }
    }
    
    return angle;     
  }
}