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Add visual life indicators using Pac-Man iconsAdd life indicators #45

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Add visual life indicators using Pac-Man iconsAdd life indicators #45

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c89c955
Improve ghost AI by reacting to Pac-Man position
ksaini-web Jun 14, 2026
e073060
Add visual life indicators using Pac-Man icons
ksaini-web Jun 15, 2026
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56 changes: 49 additions & 7 deletions pacman-java/PacMan.java
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Original file line number Diff line number Diff line change
Expand Up @@ -210,12 +210,13 @@ public void draw(Graphics g) {
for (Block ghost : ghosts) {
g.drawImage(ghost.image, ghost.x, ghost.y, ghost.width, ghost.height, null);
}
g.setColor(Color.WHITE);


for (Block wall : walls) {
g.drawImage(wall.image, wall.x, wall.y, wall.width, wall.height, null);
}

g.setColor(Color.WHITE);
for (Block food : foods) {
g.fillRect(food.x, food.y, food.width, food.height);
}
Expand All @@ -225,8 +226,30 @@ public void draw(Graphics g) {
g.drawString("Game Over: " + String.valueOf(score), tileSize/2, tileSize/2);
}
else {
g.drawString("x" + String.valueOf(lives) + " Score: " + String.valueOf(score), tileSize/2, tileSize/2);
}
g.drawString(
"Score: " + String.valueOf(score),
tileSize/2,
tileSize/2
);

// Display remaining lives using Pac-Man icons at the bottom of the screen

int lifeIconSize = 24;
int startX = 10;
int startY = boardHeight - 50;
g.setColor(Color.WHITE);

// Draw one Pac-Man icon for each remaining life
for (int i = 0; i < lives; i++) {
g.drawImage(
pacmanRightImage,
startX + (i * 28),
startY,
lifeIconSize,
lifeIconSize,
null
);
} }

if (showInstructions) {
g.setColor(new Color(0, 0, 0, 210));
Expand Down Expand Up @@ -309,10 +332,10 @@ public void move() {
ghost.y += ghost.velocityY;
for (Block wall : walls) {
if (collision(ghost, wall) || ghost.x <= 0 || ghost.x + ghost.width >= boardWidth) {
ghost.x -= ghost.velocityX;
ghost.y -= ghost.velocityY;
char newDirection = directions[random.nextInt(4)];
ghost.updateDirection(newDirection);
ghost.x -= ghost.velocityX;
ghost.y -= ghost.velocityY;
char newDirection = getSmartDirection(ghost);
ghost.updateDirection(newDirection);
}
}
}
Expand All @@ -333,6 +356,25 @@ public void move() {
}
}

private char getSmartDirection(Block ghost) {

int dx = pacman.x - ghost.x;
int dy = pacman.y - ghost.y;

// 70% chance to move toward Pac-Man
if (random.nextInt(100) < 70) {

if (Math.abs(dx) > Math.abs(dy)) {
return dx > 0 ? 'R' : 'L';
} else {
return dy > 0 ? 'D' : 'U';
}
}

// 30% chance to choose a random direction
return directions[random.nextInt(4)];
}

public boolean collision(Block a, Block b) {
return a.x < b.x + b.width &&
a.x + a.width > b.x &&
Expand Down