SerpenskiTriangles.java

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package assignment_10528808;

/**
 *
 * @author Mawutor
 */
import java.awt.Color;

	import java.awt.Point;

	import java.util.*;

	import java.awt.*;

	import javax.swing.*;
public class SerpenskiTriangles 
{
     // midpoint(): midpoint facilitator

	    public static Point midpoint(Point p1, Point p2) {

	        return new Point((p1.x + p2.x) / 2, (p1.y + p2.y) / 2);

	    }

	     

	    // Sierpinski(): draws the Sierpinski Fractal

	    public static void Sierpinski(Graphics g, Point p1, Point p2, Point p3, Color c, int depth) {

	        g.setColor(Color.BLACK);

	        if (depth == 1) {

	            Polygon tri = new Polygon();

	            //tri.paint(g);

	        }

	        else {
	            Color d = Color.black;

	            Point p4 = midpoint(p1, p2);

	            Point p5 = midpoint(p2, p3);

	            Point p6 = midpoint(p3, p1);

	            Sierpinski(g, p1, p4, p6, d, depth-1);

	            Sierpinski(g, p4, p2, p5, d, depth-1);

	            Sierpinski(g, p6, p5, p3, d, depth-1);

	        }

	         

	    }

	     

	    // main(): application entry point

	    public static void main(String[] args) {

	        // set up scanner

	        Scanner scan = new Scanner(System.in);

	         

	        // display program's purpose

	        System.out.println("This program will draw a Sierpinski Fractal to the user's");

	        System.out.println("specified depth.");

	        System.out.println();

	         

	        // determine desired cycles and color

	        System.out.println("How many cycles would you like the Sierpinski Fractal to");

	        System.out.print("be taken out to?");

	        int a = scan.nextInt();

	        System.out.println();
	         

	        // produce Sierpinski Fractal

	        Point p1 = new Point(100, 40);

	        Point p2 = new Point(190, 187);

	        Point p3 = new Point(10, 187);

	        Color c = Color.black;

	         

	        JFrame window = new JFrame("Sierpinski Fractal");

	        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

	        window.setSize(200, 200);

	        window.setVisible(true);

	         

	        Graphics g = window.getGraphics();
	         

	        System.out.print("\nEnter any character when ready.");
	        Scanner stdin = new Scanner(System.in);

	        stdin.nextLine();

	         

	        Sierpinski(g, p1, p2, p3, c, a);

	    }
}