def process(self, display):
if not self.dead:
self.draw_self(display)
self.y -= self.SPEED
if self.y < -100:
self.dead = True
ObjectCollector.remove_this("bullets", self)
def bullet_process(self, bullet, game):
if self.surface.get_rect().move(self.x, self.y).colliderect(
bullet.surface.get_rect().move(bullet.x, bullet.y)):
bullet.dead = True
ObjectCollector.remove_this("bullets", bullet)
self.dead = True
ObjectCollector.remove_this("fish", self)
game.change_score(1)
def __init__(self, x, y, BULLET_SPEED):
self.objtype = "bullet"
ObjectCollector.__init__(self)
pygame.sprite.Sprite.__init__(self)
self.x = x
self.y = y
self.surface = pygame.image.load("assets/fish/fish2.png")
self.surface = pygame.transform.scale(self.surface, (66, 84))
self.surface = pygame.transform.rotate(self.surface, -90)
self.SPEED = BULLET_SPEED
self.dead = False
def __init__(self, COOLDOWN, BULLET_SPEED):
self.objtype = "blaster"
ObjectCollector.__init__(self)
self.surface = pygame.image.load("assets/fish/fish1.png")
self.surface = pygame.transform.rotate(self.surface, -90)
self.x = 390
self.y = 422
self.cooldown = COOLDOWN
self.active_cooldown = 0
self.BULLET_SPEED = BULLET_SPEED
self.pressed = False
self.font = pygame.font.Font("assets/fonts/PressStart2P.ttf", 25)
def __init__(self, DIMENSIONS, SPEED, STILLFRAMES_MAX):
self.objtype = "fish"
ObjectCollector.__init__(self)
pygame.sprite.Sprite.__init__(self)
self.type = choice(["fish1", "fish2"])
self.fishname = "assets/fish/" + self.type + ".png"
self.surface = pygame.Surface((109, 71), flags=SRCALPHA)
self.surface.fill((255, 255, 255, 0))
self.surface.blit(pygame.image.load(self.fishname), (0, 0))
self.surface = pygame.transform.rotate(self.surface, 90)
self.x = randint(10, DIMENSIONS[0] - 50)
self.y = 20
self.SPEED = SPEED
self.WINDOWHEIGHT = DIMENSIONS[1]
self.dead = False
self.moving = False
self.stillframes = randint(30, STILLFRAMES_MAX)
def process(self, display, game, debug=False):
"""Processes fish movement down the screen"""
if not self.dead:
if self.moving:
self.y += self.SPEED
self.draw_self(display)
if self.y > self.WINDOWHEIGHT + 100:
self.dead = True
ObjectCollector.remove_this("fish", self)
game.change_score(-1)
if debug:
print("fish type: " + self.type + ", x: " + str(self.x) +
" deleted")
else:
if self.stillframes == 0:
self.moving = True
else:
self.stillframes -= 1
def run():
## GAME SIZE CONSTANTS
DIMENSIONS = (870, 520)
MENUCOORDS = (20, 20)
ACTUALMENUCOORDS = (40, 40)
MENUDIMENSIONS = (830, 480)
ACTUALMENUDIMENSIONS = (790, 440)
## GENERAL CONSTANTS
BLACK = (0,0,0)
RED = (255,0,0)
GREEN = (0,255,0)
BLUE = (0,0,255)
WHITE = (255,255,255)
TRANSPARENT_GREEN = (0,255,0)
## CUSTOMISATION
FPS = 30
SPAWNING_SPEED = 0.25 # spawns per second
SPEED = 6 # pixels per frame
BULLET_COOLDOWN = 30 # frames
BULLET_SPEED = 4
MAX_STILLFRAMES = 180
## TRANSPARENCIES (ALPHA)
text_transparency = 255
button_transparency = 255
innerm_transparency = 255
outerm_transparency = 128
menu_transparencies = [text_transparency, button_transparency, innerm_transparency, outerm_transparency]
## GAME FLOW
running = True
game = Game(DIMENSIONS, FPS)
clock = pygame.time.Clock()
## MENU CONTROL
menu = "menu"
menustatus = False
infade = False
outfade = False
## INITIALISATION
pygame.init()
screen = pygame.display.set_mode(DIMENSIONS)
pygame.display.set_caption("Sea Invaders!")
icon = pygame.image.load("assets/icon/icon.jpg")
pygame.display.set_icon(icon)
## BACKGROUND
sea = pygame.image.load("assets/background/sea.jpg").convert()
## CALLBACKS
def play_resume():
"""Updates and returns the new menustatus. Since this callback is only called to resume the game, sets menustatus to false."""
menustatus = False
return menustatus
## BUTTONS
startbtn = Button((300, 48), (285,240), play_resume)
## MENU
menufont = pygame.font.Font("assets/fonts/PressStart2P.ttf", 40)
menutext = "Sea Invaders!"
btnfont = pygame.font.Font("assets/fonts/PressStart2P.ttf", 35)
btntext = "Start!"
menuobj_alpha = pygame.Surface(MENUDIMENSIONS, flags=SRCALPHA)
menuobj = pygame.Surface(ACTUALMENUDIMENSIONS, flags=SRCALPHA)
score = pygame.font.Font("assets/fonts/PressStart2P.ttf", 25)
## FISH SPAWNER INITIALISATION
spawner = FishController(SPAWNING_SPEED, SPEED, MAX_STILLFRAMES)
blaster = Blaster(BULLET_COOLDOWN, BULLET_SPEED)
## MAINLOOP
while running:
## PER-FRAME LOGIC
menu_transparencies = [text_transparency, button_transparency, innerm_transparency, outerm_transparency]
prev_menustatus = menustatus
## RENDER BACKGROUND
screen.blit(sea, (0,0))
screen.blit(sea, (435,0))
## RENDER MENU (INCLUDING TRANSPARENCY)
menuobj_alpha.fill((0,255,0,outerm_transparency))
menuobj.fill((0,255,0,innerm_transparency))
menuobj_alpha.blit(menuobj, (ACTUALMENUCOORDS[0] - MENUCOORDS[0], ACTUALMENUCOORDS[1] - MENUCOORDS[1]))
menutextsurface = menufont.render(menutext, True, RED)
menutext_surf = pygame.Surface((menutextsurface.get_rect().width, menutextsurface.get_rect().height))
menutext_surf.blit(menutextsurface, pygame.Rect(0, 0, 10, 10), special_flags=pygame.BLEND_RGBA_MULT)
menutext_surf.set_alpha(text_transparency)
menuobj_alpha.blit(menutext_surf, ((MENUDIMENSIONS[0]/2)-(menutext_surf.get_rect().width/2), 60))
if menustatus:
screen.blit(menuobj_alpha, MENUCOORDS)
## RENDER BUTTONS
#btntextsurface = menufont.render(menutext, True, GREEN)
#btntext_surf = pygame.Surface((btntextsurface.get_rect().width, btntextsurface.get_rect().height))
#btntext_surf.blit(btntextsurface, pygame.Rect(0, 0, 10, 10), special_flags=pygame.BLEND_RGBA_MULT)
if menustatus:
startbtn.draw_self(screen, (255,0,0,button_transparency))#, btntext_surf)
## PROCESS MENU
menustatus = startbtn.process(menustatus)
## EVENT PROCESSING
for event in pygame.event.get():
if event.type == QUIT:
sys.exit(0)
if event.type == KEYDOWN:
if event.key == K_ESCAPE:
if not infade and not outfade:
if menustatus:
menustatus = False
else:
menustatus = True
## CUSTOM EVENT PROCESSING
## MENU LOGIC
if game.score < 0:
menustatus = True
game.score = 0
ObjectCollector.clear_all()
if menustatus:
pygame.mouse.set_visible(True)
else:
pygame.mouse.set_visible(False)
if not menustatus:
if prev_menustatus:
outfade = True
if menustatus:
if not prev_menustatus:
infade = True
## PROCESS OBJECTS
if not prev_menustatus:
if outfade == False:
game, screen = ObjectCollector.process_all(game, screen)
## FADING LOGIC
if outfade:
for i in range(len(menu_transparencies)):
menu_transparencies[i] -= 8
text_transparency = menu_transparencies[0]
button_transparency = menu_transparencies[1]
innerm_transparency = menu_transparencies[2]
outerm_transparency = menu_transparencies[3]
if text_transparency < 0:
text_transparency = 0
if outerm_transparency < 0:
outerm_transparency = 0
if innerm_transparency < 0:
innerm_transparency = 0
if button_transparency < 0:
button_transparency = 0
if button_transparency == 0 and innerm_transparency == 0 and outerm_transparency == 0:
outfade = False
startbtn.visible = False
if infade:
for i in range(len(menu_transparencies)):
menu_transparencies[i] += 8
text_transparency = menu_transparencies[0]
button_transparency = menu_transparencies[1]
innerm_transparency = menu_transparencies[2]
outerm_transparency = menu_transparencies[3]
if outerm_transparency > 128:
outerm_transparency = 128
if innerm_transparency > 255:
innerm_transparency = 255
if button_transparency > 255:
button_transparency = 255
if button_transparency == 255 and innerm_transparency == 255 and outerm_transparency == 128:
infade = False
startbtn.visible = True
## RENDER SCORE
score_surf = score.render(str(game.score), True, WHITE)
screen.blit(score_surf, (70, 70))
## UPDATE DISPLAY
pygame.display.update(screen.get_rect())
## FPS TRACKING
clock.tick(FPS)
game.increment_frames()
def __init__(self, SPAWNING_SPEED, SPEED, STILLFRAMES_MAX):
self.objtype = "controller"
ObjectCollector.__init__(self)
self.spawning_speed = SPAWNING_SPEED
self.SPEED = SPEED
self.STILLFRAMES_MAX = STILLFRAMES_MAX