def game():
screen.fill(black)
running = True
keyboard = Keyboard()
world = World(32, 32)
off = ((WIDTH - world.get_render_width()) / 2,
(HEIGHT - world.get_render_height()) / 2)
world.offX = off[0]
world.offY = off[1]
ply = Player(0, 0, world)
ply.x = random.randint(0, WIDTH - ply.w)
ply.y = random.randint(0, HEIGHT - ply.h)
while world.entity_hitpos(ply):
ply.x = random.randint(0, WIDTH - ply.w)
ply.y = random.randint(0, HEIGHT - ply.h)
physics = Physics(world, (WIDTH, HEIGHT))
physics.watch(ply)
clock = pygame.time.Clock()
last = pygame.time.get_ticks()
ticks = 0
plydeathtimer = 0
lastrect = pygame.Rect(0, 0, 0, 0)
while running:
ticks += 1
clock.tick(0)
for ev in pygame.event.get():
if ev.type == QUIT:
running = False
break
elif ev.type == FRAMECOUNTER:
print clock.get_fps()
elif ev.type == WORLDREGEN:
world.regen_once()
elif ev.type == ENTITYGEN:
x = random.randint(0, WIDTH)
y = random.randint(0, HEIGHT)
physics.watch(Enemy(x, y, world, physics))
elif ev.type == MOUSEBUTTONDOWN:
if ev.button == 0 and plydeathtimer == 0:
mpos = ev.pos
center = ply.get_center()
a = mpos[0] - center[0]
b = mpos[1] - center[1]
# tan(ang) = b / a
ang = math.atan2(b, a)
# Calculate bullet pos
pos = [math.cos(ang) * ply.w + center[0],
math.sin(ang) * ply.h + center[1]]
bull = Bullet(pos[0], pos[1], world)
speed = 2
bull.vx = speed * math.cos(ang)
bull.vy = speed * math.sin(ang)
physics.watch(bull)
shootsound.play()
elif ev.type == KEYDOWN:
keyboard.keydown(ev.key)
elif ev.type == KEYUP:
keyboard.keyup(ev.key)
# Handle movement
if plydeathtimer == 0:
if keyboard.is_down(K_w):
ply.vy = -1
elif keyboard.is_down(K_s):
ply.vy = 1
else:
ply.vy = 0
if keyboard.is_down(K_a):
ply.vx = -1
elif keyboard.is_down(K_d):
ply.vx = 1
else:
ply.vx = 0
# Shooting repeat
if ticks % 10 == 0 and pygame.mouse.get_pressed()[0]:
mpos = pygame.mouse.get_pos()
center = ply.get_center()
a = mpos[0] - center[0]
b = mpos[1] - center[1]
# tan(ang) = b / a
ang = math.atan2(b, a)
# Calculate bullet pos
pos = [math.cos(ang) * ply.w + center[0],
math.sin(ang) * ply.h + center[1]]
bull = Bullet(pos[0], pos[1], world)
speed = 2
bull.vx = speed * math.cos(ang)
bull.vy = speed * math.sin(ang)
physics.watch(bull)
shootsound.play()
for ent in physics.entities:
if isinstance(ent, Enemy):
ent.think(ply)
if world.win():
win()
running = False
if ply.lives == 0:
lose()
running = False
elif ply.removeme:
ply.removeme = False
plydeathtimer = 180
if plydeathtimer > 0:
if plydeathtimer == 1:
ply.x = random.randint(0, WIDTH - ply.w)
ply.y = random.randint(0, HEIGHT - ply.h)
while world.entity_hitpos(ply):
ply.x = random.randint(0, WIDTH - ply.w)
ply.y = random.randint(0, HEIGHT - ply.h)
physics.watch(ply)
plydeathtimer -= 1
# Clear previous font
screen.fill(black, lastrect)
# Render
physics.renderclear(screen)
world.render(screen)
physics.tick()
physics.render(screen)
# Display health
msg = "Lives: %d | Health: %d" % (ply.lives, ply.health)
text = bigfont.render(msg, 1, white)
lastrect = pygame.Rect(0, 0, text.get_width(), text.get_height())
screen.blit(text, (0, 0))
pygame.display.flip()
dt = pygame.time.get_ticks() - last
if dt < (1000 / 60):
pygame.time.delay((1000 / 60) - dt)
last = pygame.time.get_ticks()
