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| import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.swing.*;
import javax.swing.event.*;
public class GridHexagons extends JPanel {
private final Polygon hexagon = new Polygon();
private final BasicStroke bs1 = new BasicStroke(1);
private final BasicStroke bs3 = new BasicStroke(3);
private final Point focusedHexagonLocation = new Point();
private final Dimension dimension;
private final int rows, columns, side;
private Point mousePosition;
private int number;
private final Image image1, image2;
public GridHexagons(final int rows, final int columns, final int side) {
this.rows = rows;
this.columns = columns;
this.side = side;
dimension = getHexagon(0, 0).getBounds().getSize();
MouseInputAdapter mouseHandler = new MouseInputAdapter() {
@Override
public void mouseMoved(final MouseEvent e) {
mousePosition = e.getPoint();
repaint();
}
@Override
public void mousePressed(final MouseEvent e) {
if (number != -1) {
System.out.println("Hexagon " + (number + 1));
}
}
};
addMouseMotionListener(mouseHandler);
addMouseListener(mouseHandler);
image1 = getTestImage(Color.ORANGE);
image2 = getTestImage(Color.LIGHT_GRAY);
}
@Override
public void paintComponent(final Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D) g;
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setColor(Color.black);
g2d.setStroke(bs1);
number = -1;
for (int row = 0; row < rows; row += 2) {
for (int column = 0; column < columns; column++) {
getHexagon(column * dimension.width,
(int) (row * side * 1.5));
if (mousePosition !=null && hexagon.contains(mousePosition)){
focusedHexagonLocation.x = column * dimension.width;
focusedHexagonLocation.y = (int) (row * side * 1.5);
number = row * columns + column;
}
g2d.draw(hexagon);
g2d.drawImage(image1,(int)(hexagon.getBounds().x + side*0.5),
(int) (hexagon.getBounds().y + side * 0.5), this);
}
}
for (int row = 1; row < rows; row += 2) {
for (int column = 0; column < columns; column++) {
getHexagon(column * dimension.width + dimension.width / 2,
(int) (row * side * 1.5 + 0.5));
if (mousePosition!= null && hexagon.contains(mousePosition)){
focusedHexagonLocation.x = column * dimension.width
+ dimension.width / 2;
focusedHexagonLocation.y =(int) (row * side * 1.5 + 0.5);
number = row * columns + column;
}
g2d.draw(hexagon);
g2d.drawImage(image2,(int)(hexagon.getBounds().x + side*0.5),
(int) (hexagon.getBounds().y + side * 0.5), this);
}
}
if (number != -1) {
g2d.setColor(Color.red);
g2d.setStroke(bs3);
Polygon focusedHexagon = getHexagon(focusedHexagonLocation.x,
focusedHexagonLocation.y);
g2d.draw(focusedHexagon);
}
}
public Polygon getHexagon(final int x, final int y) {
hexagon.reset();
int h = side / 2;
int w = (int) (side * (Math.sqrt(3) / 2));
hexagon.addPoint(x, y + h);
hexagon.addPoint(x + w, y);
hexagon.addPoint(x + 2 * w, y + h);
hexagon.addPoint(x + 2 * w, y + (int) (1.5 * side));
hexagon.addPoint(x + w, y + 2 * side);
hexagon.addPoint(x, y + (int) (1.5 * side));
return hexagon;
}
public static void main(final String[] args) {
Runnable gui = new Runnable() {
public void run() {
JFrame f = new JFrame("GridHexagons");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new GridHexagons(8, 8, 40));
f.setSize(600, 600);
f.setVisible(true);
}
};
//GUI must start on EventDispatchThread:
SwingUtilities.invokeLater(gui);
}
private Image getTestImage(final Color color1) {
BufferedImage img = new BufferedImage(side, side,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = (Graphics2D) img.getGraphics();
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setColor(getBackground());
g2d.fillRect(0, 0, side, side);
g2d.setColor(color1);
g2d.fillOval(0, 0, side - 9, side - 3);
g2d.drawOval(0, 0, side - 9, side - 3);
g2d.setColor(Color.WHITE);
g2d.fillOval(4, 9, 5, 7);
g2d.setColor(color1);
g2d.drawOval(4, 9, 5, 7);
g2d.fillOval(6, 12, 3, 3);
g2d.setColor(Color.WHITE);
g2d.fillOval(14, 9, 5, 7);
g2d.setColor(color1);
g2d.drawOval(14, 9, 5, 7);
g2d.fillOval(16, 12, 3, 3);
g2d.setColor(Color.RED);
g2d.fillOval(8, 20, 6, 3);
g2d.setColor(color1);
g2d.drawOval(8, 20, 6, 3);
return img;
}
} |
Grille avec hexagones
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