package npw; import painter.SPainter; import shapes.SCircle; import javax.swing.*; import java.awt.*; import java.util.Random; import java.util.Scanner; public class AbstractGradient { public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { public void run() { new AbstractGradient(); } }); } public AbstractGradient() { paintTheImange(); } private void paintTheImange() { int width = getNumber("width"); int height = getNumber("height"); int colwidth = getNumber("column width"); SPainter painter = new SPainter("Abstract Gradient", width, height); painter.setColor(Color.BLACK); SCircle dot = new SCircle(5); painter.mfd(height / 2); painter.tl(90); painter.mfd(width / 2 - 10); painter.tl(90); painterGradient(painter, dot, height, width, colwidth); } private static int getNumber(String prompt) { String nss = JOptionPane.showInputDialog(null, prompt + "?"); Scanner scanner = new Scanner(nss); return scanner.nextInt(); } private void painterGradient(SPainter painter, SCircle dot, int height, int width, int colwidth) { int cols = 0; int nrofcols = (width / colwidth) - 2; while (cols < nrofcols) { nextCol(painter, colwidth); paintColumn(painter, dot, height); cols = cols + 1; } } private void paintOneDot(SPainter painter, SCircle dot) { painter.paint(dot); } private void paintColumn(SPainter painter, SCircle dot, int height) { int travel = 0; int totalDistanceTraveled = 0; while (totalDistanceTraveled < height - (dot.radius() * 3)) { travel = randomDistance((height - totalDistanceTraveled) / 4); totalDistanceTraveled = totalDistanceTraveled + travel; painter.mfd(travel); paintOneDot(painter, dot); } painter.mbk(totalDistanceTraveled); } private void nextCol(SPainter painter, int colwidth) { painter.tl(90); painter.mfd(colwidth); painter.tr(90); } private int randomDistance(int maxDistance) { Random rgen = new Random(); return rgen.nextInt(maxDistance); } }