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

/**
 * Program to grow a garden of broccoli.
 */
public class BroccoliGarden extends FrameWindowController {

    // dimensions of the window
    private static final int WINDOW_WIDTH = 1200;
    private static final int WINDOW_HEIGHT = 700;

    // color and position of the scene elements
    private static final Color GROUND_COLOR = new Color(80, 50, 50);
    private static final int GROUND_HEIGHT = 200;
    private static final Color SKY_COLOR = new Color(160, 230, 255);
    private static final int SUN_SIZE = 100;
    private static final Location SUN_LOC = new Location(100, 80);

    // range of broccoli tree stem lengths
    private static final double MAX_STEM_LENGTH = 120;   
    private static final double MIN_STEM_LENGTH = 40;  

    // random stem length generator
    private Random rand = new Random();

    // the ground from which broccoli grows
    private FilledRect ground;
    
    // draw the scene
    public void begin() {
        resize(WINDOW_WIDTH, WINDOW_HEIGHT);

        ground = new FilledRect(0, canvas.getHeight() - GROUND_HEIGHT, canvas.getWidth(), GROUND_HEIGHT, canvas);
        ground.setColor(GROUND_COLOR);
        FilledRect sky = new FilledRect(0, 0, canvas.getWidth(), canvas.getHeight() - GROUND_HEIGHT, canvas);
        sky.setColor(SKY_COLOR);
        FilledOval sun = new FilledOval(SUN_LOC, SUN_SIZE, SUN_SIZE, canvas);
        sun.setColor(Color.YELLOW);

    }

    // plant some more broccoli
    public void onMousePress(Location point) {
        if (ground.contains(point)) {
            double nextLength = rand.nextDouble() *
                (MAX_STEM_LENGTH - MIN_STEM_LENGTH) + MIN_STEM_LENGTH;

            new GrowingBroccoli(point, nextLength, Math.PI / 2.0, canvas);
        }
    }

}