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Reworked pacman position. Now centers in the middle of the sprite

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This commit is contained in:
Urban Modig
2025-08-18 13:21:54 +02:00
parent e62776b616
commit 64dcba2584
2 changed files with 28 additions and 19 deletions
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35
src/main/java/se/urmo/game/collision/CollisionChecker.java
View File

@ -18,21 +18,16 @@ public class CollisionChecker {
}
public Point getValidDestination(Direction direction, Point position, int agent_width, int agent_height) {
List<Point> boundaries = switch (direction) {
case RIGHT -> List.of(
new Point(position.x + agent_width, position.y), // TOPRIGHT
new Point(position.x + agent_width, position.y + agent_height)); // BOTTOMRIGHT
case LEFT -> List.of(
position, // TOPLEFT
new Point(position.x, position.y + agent_height)); // BOTTOMLEFT
case UP -> List.of(
position, // TOPLEFT
new Point(position.x + agent_width, position.y)); // TOPRIGHT
case DOWN -> List.of(
new Point(position.x, position.y + agent_height), // BOTTOMLEFT
new Point(position.x + agent_width, position.y + agent_height)); // BOTTOMRIGHT
default -> Collections.EMPTY_LIST;
case NONE -> Collections.emptyList();
case RIGHT, LEFT -> List.of(
new Point(position.x + (direction.dx * agent_width/2), position.y - agent_height/2),
new Point(position.x + (direction.dx * agent_width/2), position.y + agent_height/2)
);
case UP, DOWN -> List.of(
new Point(position.x - agent_width/2, position.y + (direction.dy * agent_height/2)),
new Point(position.x + agent_width/2, position.y + (direction.dy * agent_height/2))
);
};
log.debug("{} boundaries for {} are {}", direction, position, boundaries);
@ -47,6 +42,16 @@ public class CollisionChecker {
return null; // Blocked
}
/**
* Applies specific rules to movement
* This for instance makes sure the tunnel left/right works.
*
* @param dir
* @param pos
* @param agent_width
* @param agent_height
* @return
*/
public Point normalizePosition(Direction dir, Point pos, int agent_width, int agent_height) {
int x = pos.x;
int y = pos.y;
@ -54,7 +59,7 @@ public class CollisionChecker {
int height = map.getHeight();
// tunnel
if (x < GameMap.OFFSET_X) x = width - agent_width - GameMap.OFFSET_X; // right
if (x < GameMap.OFFSET_X) x = width - agent_width/2 - GameMap.OFFSET_X; // right
if (x >= (width - GameMap.OFFSET_X)) x = GameMap.OFFSET_X; // left
return new Point(x, y);

12
src/main/java/se/urmo/game/entities/PacMan.java
View File

@ -38,7 +38,9 @@ public class PacMan {
public PacMan(Game game, CollisionChecker collisionChecker) {
this.game = game;
this.collisionChecker = collisionChecker;
position = new Point(26 * GameMap.MAP_TILESIZE + 8 + GameMap.OFFSET_X, 13 * GameMap.MAP_TILESIZE + GameMap.OFFSET_Y);
position = new Point(
26 * GameMap.MAP_TILESIZE + GameMap.OFFSET_X,
13 * GameMap.MAP_TILESIZE + GameMap.OFFSET_Y + (GameMap.MAP_TILESIZE / 2));
loadAnimation();
}
@ -67,11 +69,13 @@ public class PacMan {
public void draw(Graphics g) {
g.drawImage(
movmentImages[direction==Direction.NONE?0:direction.ordinal()][aniIndex],
position.x - COLLISION_BOX_OFFSET,
position.y - COLLISION_BOX_OFFSET,
position.x - PACMAN_SIZE / 2,
position.y - PACMAN_SIZE / 2,
PACMAN_SIZE,
PACMAN_SIZE, null);
g.drawImage(COLLISION_BOX, position.x, position.y, COLLISION_BOX_SIZE, COLLISION_BOX_SIZE, null);
g.drawImage(COLLISION_BOX, position.x - COLLISION_BOX_OFFSET, position.y - COLLISION_BOX_OFFSET, COLLISION_BOX_SIZE, COLLISION_BOX_SIZE, null);
g.setColor(Color.BLUE);
g.fillRect(position.x-1, position.y-1, 3, 3);
}
public void update() {