def distance_diff(reference, target, vision_range):
# print (reference, target, vision_range)
ref_h = reference[0]
ref_w = reference[1]
tar_h = target[0]
tar_w = target[1]
height = tar_h - ref_h
width = tar_w - ref_w
if abs(height) > (vision_range + 1):
if ref_h > tar_h:
tar_h += config.grid_height()
else:
ref_h += config.grid_height()
height = tar_h - ref_h
height_sign = 1
if height < 0:
height_sign = -1
height %= vision_range + 1
height *= height_sign
if abs(width) > (vision_range + 1):
if ref_w > tar_w:
tar_w += config.grid_width()
else:
ref_w += config.grid_width()
width = tar_w - ref_w
width_sign = 1
if width < 0:
width_sign = -1
width %= vision_range + 1
width *= width_sign
return [height, width]
def __init_easy_prey(self,count):
for i in range(count):
coord = [randint(0, config.grid_height()-1), randint(0, config.grid_width()-1)]
if not self.grid.is_obstacle(coord):
prey = animat.EPrey(coord[0], coord[1])
self.easy_preys.append(prey)
self.grid.add_to_position(coord, prey)
else:
i -= 1
def __init_predator(self,count):
for i in range(count):
coord = [randint(0, config.grid_height()-1), randint(0, config.grid_width()-1)]
if not self.grid.is_obstacle(coord):
predator = animat.Predator(coord[0], coord[1], i)
self.predators.append(predator)
self.grid.add_to_position(coord, predator)
else:
i -= 1
def get_occupants_in(self, coord):
coord[0] %= config.grid_height()
coord[1] %= config.grid_width()
return self.grid[coord[0]][coord[1]].occupants
def add_to_position(self, coord, occupant):
coord[0] %= config.grid_height()
coord[1] %= config.grid_width()
self.grid[coord[0]][coord[1]].occupants.append(occupant)
return coord
def __set_grass(self):
for i in range(config.grass_count()):
coord = (randint(0, config.grid_height()-1), randint(0, config.grid_width()-1))
if not self.is_obstacle(coord):
self.__set_floor(coord, OccupantType.GRASS)
def __set_single_obstacles(self):
for i in range(config.single_obstacle_count()):
coord = (randint(0, config.grid_height()-1), randint(0, config.grid_width()-1))
self.__set_floor(coord, OccupantType.OBSTACLE)
def __init__(self):
self.grid = [[GridCell(OccupantType.EMPTY) for i in range(config.grid_width())] for i in range(config.grid_height())]
# self.set_single_obstacles()
self.__set_grass()
def single_obstacles(self):
for i in range(config.single_obstacle_count()):
self.grid[randint(0, config.grid_height()-1)][randint(0, config.grid_width()-1)] = GridCell(OccupantType.OBSTACLE)
def modulus_movement(self):
self.position_x %= config.grid_width()
self.position_y %= config.grid_height()