Method draw

src/csm/ch03/Projectile.java:83–94

Draws the projectile. Required for Drawable interface. @param drawingPanel @param g

(DrawingPanel drawingPanel, Graphics g)

   * @param g
   */
  @Override
public void draw(DrawingPanel drawingPanel, Graphics g) {
    int xpix = drawingPanel.xToPix(state[0]);
    int ypix = drawingPanel.yToPix(state[2]);
    g.setColor(Color.red);
    g.fillOval(xpix-pixRadius, ypix-pixRadius, 2*pixRadius, 2*pixRadius);
    g.setColor(Color.green);
    int xmin = drawingPanel.xToPix(-100);
    int xmax = drawingPanel.xToPix(100);
    int y0 = drawingPanel.yToPix(0);
    g.drawLine(xmin, y0, xmax, y0); // draw a line to represent the ground
  }
}

/*