import java.awt.*;
public class SumWaves {
    SineWave w1;
    SineWave w2;

    public SumWaves(SineWave w1, SineWave w2) {
      this.w1 = w1;
      this.w2 = w2;
    }
 
    public void setWave1(SineWave sine1) {
      this.w1 = sine1;
    }
    
    public void setWave2(SineWave sine2) {
      this.w2 = sine2;
    }
 
    public int getY(int x) {
       return w1.getY(x)+w2.getY(x);
    }
 
    public void draw(Graphics g, int x, int y, int width) {
      int yloc1, yloc2;
      for (int i=0; i<width; i++) {
        yloc1=y+w1.getY(i)+w2.getY(i);
        yloc2=y+w1.getY(i+1)+w2.getY(i+1);
          
        g.drawLine(x+i,yloc1,x+i+1,yloc2);
      }
    }
    
    public void draw(Graphics g, int x, int y, int length, int thickness) {
     for (int i=1; i<=length; i++)
      {  Point p1 = new Point(x+i, y+getY(i));
         Point p2 = new Point(x+i+1, y+getY(i+1));
         for (int k=0; k<thickness; k++) 
            g.drawLine(p1.x+k, p1.y, p2.x+k, p2.y);
      }
  }
    
    
}