import objectdraw.*;

/*
 * Basketball with classes.  Demonstrates
 * how to define a new class,
 * and how to construct and use objects of that
 * class.
 * 
 * This is virtually identical to the original 
 * basketball program, except that we create
 * a BBall object instead of a FilledOval to 
 * represent the ball.
 */
public class ClassyBasketBall extends WindowController {

  // dimensions and locations for the hoop    
  private static final int HOOP_LEFT = 150;
  private static final int HOOP_TOP = 50;
  private static final int HOOP_HEIGHT = 60;
  private static final int HOOP_WIDTH = 100;

  // dimensions and locations for the score display
  private static final int DISPLAY_FONT_SIZE = 16;
  private static final int DISPLAY_LEFT = 100;
  private static final int DISPLAY_TOP = 350;

  // dimensions and locations for the ball
  private static final int BALL_SIZE = 35;
  private static final int BALL_LEFT = HOOP_LEFT + (HOOP_WIDTH / 2 - BALL_SIZE / 2);
  private static final int BALL_TOP = DISPLAY_TOP - 2 * BALL_SIZE;

  // the Text object which displays the count
  private Text display;

  // the oval that represent the hoop
  private FramedOval hoop;

  // the number of points
  private int score = 0;

  // remembers whether the ball was touched when the button was pressed
  private boolean ballGrabbed;

  // Last position of mouse while dragging
  private Location lastPoint;

  // the ball itself
  private BBall ball;

  // initialize the counter and the text message
  public void begin() {

    display = new Text("Take a shot.", DISPLAY_LEFT, DISPLAY_TOP, canvas);
    display.setFontSize(DISPLAY_FONT_SIZE);

    hoop = new FramedOval(HOOP_LEFT, HOOP_TOP, HOOP_WIDTH, HOOP_HEIGHT, canvas);

    ball = new BBall(BALL_LEFT, BALL_TOP, BALL_SIZE, canvas);

  }

  public void onMousePress(Location point) {
    lastPoint = point;
    ballGrabbed = ball.contains(point);
  }

  // Move the basketball as the mouse is dragged
  public void onMouseDrag(Location point) {
    if (ballGrabbed) {
      ball.move(point.getX() - lastPoint.getX(),
        point.getY() - lastPoint.getY());
    }
    lastPoint = point;
  }

  // increment the counter if player scores and update the text
  // appropriately
  public void onMouseRelease(Location point) {
    if (ballGrabbed && hoop.contains(point)) {
      score = score + 2;
      display.setText("You have scored " + score + " points.");
    } else {
      display.setText("WHOOPS!  You Missed.");
    }

    ball.moveTo((canvas.getWidth() - BALL_SIZE) / 2, BALL_TOP);
  }


  
  
  
  
  
  
  
  
  
  public void onMouseClick(Location point) {
    if (ball.contains(point)) {
      ball.changeToRandomColor();
    }
  } 

}