def event_paused_step(self, time_passed, delta_mult):
self.show_hud()
if self.pairs:
#Draw the next cross operation
i1, i2 = self.pairs.pop()
self.gensprite.draw_clear()
self.gensprite.draw_circle(i1.x + i1.bbox_width / 2,
i1.y + i1.bbox_height / 2,
i1.bbox_width,
outline=CITIUS_COLOR)
self.gensprite.draw_circle(i2.x + i2.bbox_width / 2,
i2.y + i2.bbox_height / 2,
i2.bbox_width,
outline=CITIUS_COLOR)
self.gensprite.draw_line(i1.x + i1.bbox_width / 2,
i1.y + i1.bbox_height / 2,
i2.x + i2.bbox_width / 2,
i2.y + i2.bbox_height / 2,
CITIUS_COLOR,
thickness=2)
children_genes = evolution.recombinate(
[(i1, i2)], objects.Invader.gene_props)[0]
#And add the new individual
desc = objects.Invader(**children_genes)
desc.x, desc.y = (i1.x + i2.x) / 2, (i1.y + i2.y) / 2
self.current_room.add(desc)
#Slow down painting to visually improve the animation
if self.anim_sleep is None:
#The animation time is adjusted according to the number of new
#individuals.
self.anim_sleep = (
1.0 if len(self.pairs) == 0 else
0 if len(self.pairs) > 50 else min(1.0, 3.0 /
len(self.pairs)))
if self.score > 4:
self.anim_sleep = 0
else:
time.sleep(self.anim_sleep)
elif self.pairs is not None:
#Crossing is finished
time.sleep(self.anim_sleep)
self.pairs = self.anim_sleep = None
self.score += 1
self.last_gen = 0
self.unpause()
os.chdir(os.path.dirname(os.path.realpath("__file__")))
# Create Game object
game.InvadersGame()
# Load backgrounds
wall_sprite = sge.gfx.Sprite(width=game.RESX, height=game.WALL_HEIGHT)
wall_sprite.draw_rectangle(0,
0,
wall_sprite.width,
wall_sprite.height,
fill=sge.gfx.Color('white'))
layers = [
sge.gfx.BackgroundLayer(wall_sprite, 0, game.RESY - game.WALL_YOFFSET)
]
background = sge.gfx.Background(layers, sge.gfx.Color('black'))
# Create objects
invaders = [objects.Invader() for _ in range(6)]
player = objects.Player()
#Player is always the first object
obj = [player] + invaders
# Create room
sge.game.start_room = game.GameRoom(obj, background=background)
# Remove the mouse to increase performance by avoiding collision detection
sge.game.mouse.visible = False
sge.game.start_room.remove(sge.game.mouse)
# Here we go!
sge.game.start()