solved the animation problem which was irrelevant but i solved it

ConnectFour/src/Chip.java

@@ -1,19 +1,25 @@
 import javax.imageio.ImageIO;
-import javax.swing.text.Position;
 import java.awt.*;
 import java.io.File;
 import java.io.IOException;
 
 public class Chip {
-        private String path = "ConnectFour/res/yellowChip.png";
+        private static int tileWidth, tileHeight = 100;
+        private String red = "ConnectFour/res/redChip.png";
+        private String yellow = "ConnectFour/res/yellowChip.png";
         private Point position;
         private boolean isRed;
         private Image chip;
-        public Chip(String path, boolean isRed, int tileWidth, int tileHeight) {
+        public Chip(boolean isRed, int x, int y) {
             this.isRed = isRed;
             position = new Point();
+            position.setLocation(x, y);
             try {
-                chip = ImageIO.read(new File(path)).getScaledInstance(tileWidth - 15,  tileHeight - 15, Image.SCALE_DEFAULT);
+                if (isRed){
+                    chip = ImageIO.read(new File(red)).getScaledInstance(tileWidth - 15,  tileHeight - 15, Image.SCALE_DEFAULT);
+                } else {
+                    chip = ImageIO.read(new File(yellow)).getScaledInstance(tileWidth - 15,  tileHeight - 15, Image.SCALE_DEFAULT);
+                }
             } catch (IOException e) {
                 e.printStackTrace();
             }

ConnectFour/src/Painter.java

@@ -23,6 +23,8 @@ public class Painter {
 
     public void paintBoard(Graphics g){
         Graphics2D g2d = (Graphics2D) g;
+        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
+                RenderingHints.VALUE_ANTIALIAS_ON);
         g2d.setStroke(new BasicStroke(2));
         for (int i = 0; i < board_w/tileWidth; i++){
             for (int j = 0; j < board_h/tileHeight; j++){
@@ -34,22 +36,12 @@ public class Painter {
         }
     }
 
-    public void paintRedChip(Graphics g, int x, int y) {
-        String path = "ConnectFour/res/redChip.png";
+    public void paintChip(Graphics g, boolean isRed, int x, int y) {
         Graphics2D g2d = (Graphics2D) g;
-        Chip redChip = new Chip(path, true, tileWidth, tileHeight);
-        redChip.setPosition(x, y);
-        panel.addToBoard(redChip, x, y);
-        g2d.drawImage(redChip.getImage(), x * tileWidth + 10, y * tileHeight + 5, panel);
-    }
-
-    public void paintYellowChip(Graphics g, int x, int y) {
-        String path = "ConnectFour/res/yellowChip.png";
-        Graphics2D g2d = (Graphics2D) g;
-        Chip yellowChip = new Chip(path, false, tileWidth, tileHeight);
-        yellowChip.setPosition(x, y);
-        panel.addToBoard(yellowChip, x, y);
-        g2d.drawImage(yellowChip.getImage(), x , y , panel);
+        Chip chip = new Chip(isRed,x, y);
+        chip.setPosition(x, y);
+        panel.addToBoard(chip);
+        g2d.drawImage(chip.getImage(), x * tileWidth + 10 , y * tileHeight + 5, panel);
     }
 
 }

ConnectFour/src/Panel.java

@@ -7,12 +7,13 @@ import java.util.concurrent.ThreadLocalRandom;
 
 public class Panel extends JPanel implements ActionListener {
 
-    private final int DELAY = 50;
+    private final int DELAY = 10;
     private final int BOARD_W = 700;
     private final int BOARD_H = 600;
     private Chip[][] board = new Chip[7][6];
-    private boolean isInitialized = false;
+    private boolean isFinished = true;
     private boolean right,left,space;
+    private int times = 0;
 
     private Painter painter;
     private Timer timer;
@@ -31,7 +32,7 @@ public class Panel extends JPanel implements ActionListener {
     private void initGame() {
         painter = new Painter(this, BOARD_W, BOARD_H);
         timer = new Timer(DELAY, this);
-        //timer.start();
+        timer.start();
     }
 
 
@@ -45,51 +46,49 @@ public class Panel extends JPanel implements ActionListener {
     protected void paintComponent(Graphics g) {
         super.paintComponent(g);
         painter.paintBoard(g);
-        if (!isInitialized) {
-            fillBoard(g);
-            isInitialized = true;
+        actualizeBoard(g);
+        if (isFinished){
+            fillBoard();
+            isFinished = false;
         }
     }
 
-    private void fillBoard(Graphics g) {
-        class MyExecutor extends SwingWorker<Void, SwingWorkerValues>{
-            Graphics g;
-            public MyExecutor(Graphics g){
-                this.g = g;
+    public void actualizeBoard(Graphics g){
+        for (Chip[] chips : board) {
+            for (Chip chip: chips) {
+                if (chip != null){
+                    painter.paintChip(g, chip.isRed(), chip.getPosition().x, chip.getPosition().y);
                 }
+            }
+        }
+    }
+
+    public void fillBoard(){
+        SwingWorker<Void, Void> worker = new SwingWorker<Void, Void>() {
             @Override
             protected Void doInBackground() throws Exception {
-                for (int column = 5; column >= 0; column--){
+                for (int column = 0; column < 7; column++){
                     for (int row = 0; row < 7; row++){
-                        Thread.sleep(100);
-                        publish(new SwingWorkerValues(row, column));
+                        Thread.sleep(10);
+                        addToBoard(new Chip(times % 2 == 0, row, column));
                     }
                 }
                 return null;
             }
 
-            @Override
-            protected void process(java.util.List<SwingWorkerValues> chunks) {
-                super.process(chunks);
-                SwingWorkerValues values = chunks.get(chunks.size()-1);
-                System.out.println(values.row + " " + values.column);
-                painter.paintRedChip(g, values.row, values.column);
-                repaint();
-            }
-
             @Override
             protected void done() {
                 super.done();
-                painter.paintYellowChip(g, 2,2);
-
+                times++;
+                isFinished = true;
+                System.out.println(times);
             }
-        }
-        MyExecutor executor = new MyExecutor(g);
-        executor.execute();
+        };
+        worker.execute();
     }
 
-    public void addToBoard (Chip chip, int x, int y){
-        board[x][y] = chip;
+    public void addToBoard (Chip chip){
+        board[chip.getPosition().x][chip.getPosition().y] = chip;
     }
 
     class MovingKeyListener implements KeyListener {

ConnectFour/src/SwingWorkerValues.java

@@ -1,7 +0,0 @@
-public class SwingWorkerValues {
-    public int row, column;
-    public SwingWorkerValues(int row, int column){
-        this.row = row;
-        this.column = column;
-    }
-}