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import pygame
from display import Scaling
class FieldSprite(pygame.sprite.Sprite):
def __init__(self, rect: pygame.Rect):
super().__init__()
self.rect = rect
self.image = pygame.Surface(self.rect.size)
self.image.fill("green")
class Field():
def __init__(self):
self.sprites = pygame.sprite.Group()
self.updated = True
self.areas = [(0,0,40_000,28_000)]
def coordinates_inside_area(self, area, x, y) -> bool:
if x < area[0]:
return False
if y < area[1]:
return False
if x >= area[0]+area[2]:
return False
if y >= area[1]+area[3]:
return False
return True
def slice(self, x: int, y: int, direction: bool, thickness: int) -> bool:
""" Slice one area into two areas """
# Find the overlapping area
for area in self.areas:
if self.coordinates_inside_area(area, x, y):
break
else:
return False
# remove current area
self.areas.remove(area)
ax, ay, aw, ah = area
# create new areas if there is any space
if direction:
x1 = ax
x2 = x - thickness
x3 = x + thickness
x4 = ax + aw
if x2 > x1:
self.areas.append( (x1, ay, x2-x1, ah) )
if x4 > x3:
self.areas.append( (x3, ay, x4-x3, ah) )
else:
y1 = ay
y2 = y - thickness
y3 = y + thickness
y4 = ay + ah
if y2 > y1:
self.areas.append( (ax, y1, aw, y2-y1) )
if y4 > y3:
self.areas.append( (ax, y3, aw, y4-y3) )
self.updated = True
return True
def __update_sprites(self):
self.sprites.empty()
for area in self.areas:
self.sprites.add(FieldSprite(Scaling.area_to_rect(area)))
self.updated = False
def get_sprites(self) -> pygame.sprite.Group:
if self.updated:
self.__update_sprites()
return self.sprites
def __del__(self):
pass
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