@Override
public void plotSymbol() {
int row, col;
Hexagon thisHex;
Ellipse2D.Double thisEllipse;
double x, y;
int i;
double[] radii = {10.85, 8.97, 7.10, 5.22, 3.31, 1.43};
// Hexagons
for (row = 0; row < 33; row++) {
for (col = 0; col < 30; col++) {
if (grid[row][col]) {
thisHex = new Hexagon();
x = (2.46 * col) + 1.23;
if ((row & 1) != 0) {
x += 1.23;
}
y = (2.135 * row) + 1.43;
thisHex.setCentre(x, y);
hex.add(thisHex);
}
}
}
// Circles
for (i = 0; i < 6; i++) {
thisEllipse = new Ellipse2D.Double();
thisEllipse.setFrameFromCenter(35.76, 35.60, 35.76 + radii[i], 35.60 + radii[i]);
target.add(thisEllipse);
}
}
@Test
/** internal (axial) coordinates should match chess notation */
public void testGetFieldByNotation() throws Exception {
Hexagon hexagon = hexboard.getFieldByNotation("I8");
String notation = hexagon.getNotation();
int q = hexagon.getQ();
int r = hexagon.getR();
int[] expected = {-1, 8};
int[] actual = {q, r};
assertArrayEquals(expected, actual);
assertEquals(notation, "I8");
}
public void render() {
checkCurrentTile();
for (Hexagon hex : hexes) {
Colour colour;
if (hex.x == currentTile.x && hex.y == currentTile.y) {
colour = new Colour(1, 1, 1, 1);
} else {
colour = new Colour(1, 1, 1, 0.2);
}
hex.render(colour);
}
}
/**
* {@inheritDoc}
*
* @param positions A {@link List} of {@link Hexagon}s to check.
* @return Returns true if at least one position is occupied. Returns false if no position is
* occupied.
*/
@Override
public boolean areFieldsOccupied(List<Hexagon> positions) {
return getFigures()
.stream()
// Filter removed figures out
.filter(hexagonFigure -> !hexagonFigure.isRemoved())
// Just keep the figures, that have the same position as one in our "positions" List.
.filter(
hexagonFigure -> {
for (Hexagon position : positions) {
if (hexagonFigure.getPosition().getNotation().equals(position.getNotation()))
return true;
}
return false;
})
.count()
== positions.size();
}
public class Pathfinder extends JFrame {
public static boolean showtrace = true; // does not erase image
protected Image diamondgif, mangif; // animated gif images
protected Graphics display;
protected int gap = 16; // side/radius of hexagon
protected int yoff = 40;
protected Astar PG;
int rows, cols;
int XDIM, YDIM; // window dimensions
int gobx, goby, profx, profy;
// protected Image[] imageof; // image vector for terrain.
protected Image[] imagechar; // image vector for character based on terrain.
Color[] colorof = {
Color.green, Color.darkGray, Color.orange, Color.blue
}; // color corresponding to each terrain type.
// graphical representation
Hexagon[][] HX;
int hpdist = Hexagon.calchpdist(gap);
// access center graphical coordinates at cell i,j
int getx(int i, int j) {
return HX[i][j].x;
}
int gety(int i, int j) {
return HX[i][j].y;
}
public void paint(Graphics g) {} // override automatic repaint
public Pathfinder(int r, int c) // constructor
{
rows = r;
cols = c;
HX = new Hexagon[r][c];
for (int i = 0; i < r; i++) {
int odd = i % 2;
for (int j = 0; j < c; j++) {
HX[i][j] =
new Hexagon(yoff / 2 + (j * 2 + odd) * hpdist, yoff + gap + (3 * gap / 2 * i), gap);
}
} // for i,j
PG = new MyAstar(r, c); // note it's myastar, not astar
XDIM = cols * hpdist * 2 + yoff; // ((cols+1)*gap*3)/2;
YDIM = ((rows + 1) * gap * 3) / 2;
this.setBounds(0, 0, XDIM + 5, YDIM + yoff + 5);
this.setVisible(true);
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
display = this.getGraphics();
diamondgif = Toolkit.getDefaultToolkit().getImage("gem1.gif");
prepareImage(diamondgif, this);
mangif = Toolkit.getDefaultToolkit().getImage("man15.gif");
prepareImage(mangif, this);
imagechar = new Image[4]; // image of character while on terrain type
imagechar[Astar.OPEN] = mangif;
imagechar[Astar.WATER] = Toolkit.getDefaultToolkit().getImage("boat.gif");
prepareImage(imagechar[Astar.WATER], this);
imagechar[Astar.DESERT] = Toolkit.getDefaultToolkit().getImage("camel.gif");
prepareImage(imagechar[Astar.DESERT], this);
imagechar[Astar.FOREST] = Toolkit.getDefaultToolkit().getImage("bear.gif");
prepareImage(imagechar[Astar.FOREST], this);
try {
Thread.sleep(500);
} catch (Exception e) {
} // Synch with system
// draw static background as a green rectangle
display.setColor(Color.green);
display.fillRect(0, 0, XDIM, YDIM + yoff); // fill background
// generate random starting positions.
// generate initial positions of professor and diamond
do {
gobx = (int) (Math.random() * PG.COLS);
goby = (int) (Math.random() * PG.ROWS);
} while (PG.M[goby][gobx] != PG.OPEN);
do {
profx = (int) (Math.random() * PG.COLS);
profy = (int) (Math.random() * PG.ROWS);
} while (PG.M[profy][profx] != PG.OPEN || Astar.distance(goby, gobx, profy, profx) < 20);
// draw map
drawmap();
System.out.println(profy + "," + profx + " " + goby + "," + gobx);
// draw professor and diamond, initial position
int px = getx(profy, profx), py = gety(profy, profx); // center hx coords
display.drawImage(
imagechar[PG.M[profy][profx]], (px - gap / 2), (py - gap / 2), gap, gap, null);
px = getx(goby, gobx);
py = gety(goby, gobx);
display.drawImage(diamondgif, px - gap / 2, py - gap / 2, gap, gap, null);
/*
display.drawImage(imagechar[PG.M[profy][profx]],
(profx*gap),(profy*gap)+yoff,gap,gap,null);
display.drawImage(diamondgif,gobx*gap,goby*gap+yoff,gap,gap,null);
*/
animate();
} // constructor
public void animate() {
// invert path.
Coord path = PG.search(goby, gobx, profy, profx);
// coord path = PG.search(profy,profx, goby,gobx);
if (path == null) {
display.setColor(Color.red);
display.drawString("NO PATH TO TARGET!", 50, 100);
System.out.println("no path");
return;
}
int px = 0, py = 0; // for calculating graphical coords
while (path != null) {
px = getx(path.y, path.x);
py = gety(path.y, path.x);
display.drawImage(
imagechar[PG.M[path.y][path.x]], (px - gap / 2), (py - gap / 2), gap, gap, null);
// display.drawImage(imagechar[PG.M[path.y][path.x]],
// (path.x*gap),(path.y*gap)+yoff,gap,gap,null);
System.out.printf("%d,%d: %d\n", path.y, path.x, PG.M[path.y][path.x]);
try {
Thread.sleep(250);
} catch (Exception se) {
}
// display.drawImage(imageof[PG.M[path.y][path.x]],
// (path.x*gap),(path.y*gap)+yoff,gap,gap,null);
// display.setColor(Color.red);
// display.fillOval((path.x*gap)+8,(path.y*gap)+yoff+8,4,4);
// for animation:
// display.drawImage(diamondgif,gobx*gap,goby*gap+yoff,gap,gap,null);
if (!showtrace) // erase trail - redraw hexagon
{
display.setColor(colorof[PG.M[path.y][path.x]]);
display.fillPolygon(HX[path.y][path.x]);
}
path = path.prev;
} // with path!=null
px = getx(goby, gobx);
py = gety(goby, gobx);
display.drawImage(diamondgif, px - gap / 2, py - gap / 2, gap, gap, null);
display.drawImage(imagechar[PG.M[goby][gobx]], px - gap / 2, py - gap / 2, gap, gap, null);
} // animate
public void drawmap() {
int i, j;
for (i = 0; i < PG.ROWS; i++)
for (j = 0; j < PG.COLS; j++) {
display.setColor(colorof[PG.M[i][j]]);
display.fillPolygon(HX[i][j]);
// display.drawImage(imageof[PG.M[i][j]],j*gap,(i*gap)+yoff,gap,gap,null);
}
// try{Thread.sleep(1000);} catch(Exception e) {}
} // drawmap
public static void main(String[] args) {
int r = 32;
int c = 44;
Pathfinder pf = new Pathfinder(r, c);
}
} // class pathfinder