import objectdraw.*;
import java.awt.Color;

// maintains a collection of FilledRects

public class BreakoutBricks {

    // the array used to hold the rectangles
    private FilledRect[] bricks;

    // the number of rectangles currently in the array
    private int numBricks = 0;

    // Create a collection that can hold 'size' rectangles
    public BreakoutBricks(int size) {
        bricks = new FilledRect[size];
    }

    // add a new rectangle to the collection (if there is room)
    public void add(FilledRect newRect) {
        bricks[numBricks] = newRect;
        numBricks++;
    }

    // return a rectangle that overlaps the ball and remove it from the
    // collection, otherwise return null
    public FilledRect getIntersectedBrick(FilledOval ball) {
        for (int pos = 0; pos < numBricks; pos++) {
            if (ball.overlaps(bricks[pos])) {
                FilledRect result = bricks[pos];
                bricks[pos] = bricks[numBricks - 1];
                numBricks--;
                result.removeFromCanvas();
                return result;
            }
        }
        return null;
    }
    
}