ColorfulAbstractGradient.java
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package assignment4;
import painter.SPainter;
import shapes.SCircle;
import javax.swing.*;
import java.awt.*;
import java.util.Random;
import java.util.Scanner;
public class ColorfulAbstractGradient {
public ColorfulAbstractGradient() {
paintTheImage();
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
new ColorfulAbstractGradient();
}
});
}
private void paintTheImage(){
int width = getNumber("width");
int height = getNumber("height");
int colWidth = getNumber("column width");
SPainter painter = new SPainter("Abstract Gradient", width, height);
SCircle dot = new SCircle(5);
painter.mfd(height/2);
painter.tl(90);
painter.mfd(width/2 - 10);
painter.tl(90);
paintGradient(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 paintGradient(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.setColor(randomColor());
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);
}
private static Color randomColor(){
int r = (255);
int g = (int)(Math.random()*256);
int b = (int)(Math.random()*256);
return new Color(r,g,b);
}
}