Ball

class Ball
{
  AudioPlayer player;
  float X = 0;
  float Y = 0;
  PVector speed;
  PVector speedDir = new PVector(1,1);
  float radius = 100;
  boolean drawLines = false;
  color waveColor;
  int incr = 0;
  boolean followMouse = false;
  
  Ball(AudioPlayer player, float X, float Y)
  {
    this.player = player;
    this.X = X;
    this.Y = Y;
    
  }

  void draw()
  {
    //move the ball based on the wave
    float avg = 0;
    int j = 0;
    for (int i = 0; i< player.bufferSize() - 1 && i < width; i++)
    {
      j = i + 1;
      avg += player.mix.get(i);
    }
    avg = abs(avg / j);
    speed = new PVector(1000 * avg, 1000 * avg);
   //println(avg * 100);
    ///////////
    if (drawLines) 
    {
      DrawWithLines();
      DrawWithShape();
    }
    else DrawWithShape();
    if (followMouse)
    {
      X = mouseX;
      Y = mouseY;
    }
    else
    {

      X += speed.x * speedDir.x;
      Y += speed.y * speedDir.y;
      WallCollision();
    }
    incr+= 1; 
    if (incr > 360) incr = 0;
  }

  void DrawWithLines()
  {
    float sampleIncr = player.bufferSize() / 360;

    for (int i = 0; i < 360; i++)
    {

      float ballRadius = 100 + player.mix.get(int(i * sampleIncr)) * 100;
      float angle = radians(i);

      float x = X + ballRadius * cos(angle);
      float y = Y + ballRadius * sin(angle);
      if (i + incr > 360) waveColor = color(i + (incr - 360), 255, 255); 
      else waveColor = color(i + incr, 255, 255);
      stroke(waveColor);

      line(X, Y, x, y);
    }

    if (incr > 360) incr = 0;
  }

  void DrawWithShape()
  {
    float sampleIncr = player.bufferSize() / 360;
    if (incr > 360) waveColor = color((incr - 360), 255, 255); 
    else waveColor = color(incr, 255, 255);
    stroke(waveColor);
    if (!drawLines) fill(0);
    
    beginShape();
    for (int i = 0; i < 360; i++)
    {
      float ballRadius = 100 + player.mix.get(int(i * sampleIncr)) * 100;
      float angle = radians(i);

      float x = X + ballRadius * cos(angle);
      float y = Y + ballRadius * sin(angle);

      vertex(x, y);
      //fill(100 +player.mix.get(int(i * sampleIncr)) * 100,0,255 -(player.mix.get(int(i * sampleIncr)) * 100));
    }
    endShape();
  }

  void WallCollision()
  {
    if (X > width)
    {
      X = width;
      speedDir.x = -speedDir.x;
    }
    if (X < 0)
    {
      X = 0;
      speedDir.x = -speedDir.x;
    }
    if (Y > height) 
    {
      Y = height;
      speedDir.y = -speedDir.y;
    }
    if (Y < 0)
    {
      Y = 0;
      speedDir.y = -speedDir.y;
    }
  }
}//End Class