First attempt on ghost movement. /JL

This commit is contained in:
2025-04-20 18:42:21 +02:00
parent ea77fd4498
commit 97c06fd3cf
4 changed files with 26 additions and 26 deletions

View File

@@ -40,12 +40,3 @@ class GhostBehavior(Enum):
PINKY = "pinky_behavior"
INKY = "inky_behavior"
CLYDE = "clyde_behavior"
def decide_direction(self, ghost, pacman, maze):
strategy = {
GhostBehavior.BLINKY: blinky_behavior,
GhostBehavior.PINKY: pinky_behavior,
GhostBehavior.INKY: inky_behavior,
GhostBehavior.CLYDE: clyde_behavior,
}[self]
return strategy(ghost, pacman, maze)

View File

@@ -1,5 +1,5 @@
from .enums import GhostColor, GhostMode, GhostBehavior
from .ghost_behaviors import path_toward # required if you want a fallback
import actors.ghost_behaviors as GB
import pygame
class Ghost(pygame.sprite.Sprite):
@@ -16,13 +16,22 @@ class Ghost(pygame.sprite.Sprite):
self.mode = GhostMode.SCATTER
self.home_position = position
def decide_direction(self, ghost, pacman, maze):
strategy = {
GhostBehavior.BLINKY: GB.blinky_behavior,
GhostBehavior.PINKY: GB.pinky_behavior,
GhostBehavior.INKY: GB.inky_behavior,
GhostBehavior.CLYDE: GB.clyde_behavior,
}
return strategy[self.behavior](ghost, pacman, maze)
def update(self, maze, pacman):
if self.mode == GhostMode.FRIGHTENED:
self.change_direction_randomly(maze)
else:
self.direction = self.behavior.decide_direction(self, pacman, maze)
self.direction = self.decide_direction(self, pacman, maze)
new_pos = self.rect.move(self.direction.x * self.speed, self.direction.y * self.speed)
if not maze.is_wall(new_pos.center):
if not maze.is_wall(new_pos[0], new_pos[1]):
self.rect = new_pos
def change_direction_randomly(self, maze):

View File

@@ -3,12 +3,12 @@ import random
def blinky_behavior(ghost, pacman, maze):
# Simple chase: move toward Pac-Man's position
return path_toward(ghost, pacman.rect.center, maze)
return path_toward(ghost, (pacman.x, pacman.y), maze)
def pinky_behavior(ghost, pacman, maze):
# Aim 4 tiles ahead of Pac-Man
offset = pacman.direction * 64
target = (pacman.rect.centerx + offset.x, pacman.rect.centery + offset.y)
offset = pacman.x + 128
target = (pacman.x + offset, pacman.y + offset)
return path_toward(ghost, target, maze)
def inky_behavior(ghost, pacman, maze):
@@ -17,10 +17,10 @@ def inky_behavior(ghost, pacman, maze):
def clyde_behavior(ghost, pacman, maze):
# If close to Pac-Man, scatter; otherwise chase
distance = pygame.Vector2(pacman.rect.center).distance_to(ghost.rect.center)
distance = pygame.Vector2(pacman.x).distance_to(ghost.rect.center)
if distance < 100:
return path_toward(ghost, ghost.home_position, maze)
return path_toward(ghost, pacman.rect.center, maze)
return path_toward(ghost, pacman.x, maze)
def path_toward(ghost, target_pos, maze):
# Placeholder logic: pick a direction that reduces distance to target
@@ -30,7 +30,7 @@ def path_toward(ghost, target_pos, maze):
min_dist = float("inf")
for d in directions:
test_pos = ghost.rect.move(d.x * ghost.speed, d.y * ghost.speed)
if not maze.is_wall(test_pos.center):
if not maze.is_wall(test_pos[0], test_pos[1]):
dist = pygame.Vector2(target_pos).distance_to(test_pos.center)
if dist < min_dist:
min_dist = dist

14
pman.py
View File

@@ -7,7 +7,7 @@ from actors.ghost_mode_controller import GhostModeController
from hud import HUD
from maze import Maze
__version__ = "0.4.0"
__version__ = "0.4.1"
# Constants
HAT_REPEAT_DELAY = 300 # milliseconds before first repeat
@@ -62,12 +62,12 @@ class Game:
"""
offset = 20 # spread out a little bit inside ghost home
blinky = Blinky((center_position[0] - offset, center_position[1] - offset))
pinky = Pinky((center_position[0] + offset, center_position[1] - offset))
inky = Inky((center_position[0] - offset, center_position[1] + offset))
clyde = Clyde((center_position[0] + offset, center_position[1] + offset))
self.blinky = Blinky((center_position[0] - offset, center_position[1] - offset))
self.pinky = Pinky((center_position[0] + offset, center_position[1] - offset))
self.inky = Inky((center_position[0] - offset, center_position[1] + offset))
self.clyde = Clyde((center_position[0] + offset, center_position[1] + offset))
return pygame.sprite.Group(blinky, pinky, inky, clyde)
return pygame.sprite.Group(self.blinky, self.pinky, self.inky, self.clyde)
def handle_hat_repeat(self):
now = pygame.time.get_ticks()
@@ -104,7 +104,7 @@ class Game:
for ghost in self.ghosts:
ghost.set_mode(self.current_mode)
#ghost.update(maze, pacman)
ghost.update(self.maze, self.player)
self.ghosts.draw(self.screen)
pygame.display.flip()