def SpaceFromScreen(self, coords):
screen_width = self.screen.get_width()
screen_height = self.screen.get_height()
x = coords[0]
y = screen_height - coords[1]
screen_rect = Rectangle(Vector(), Vector(screen_width, screen_height))
screen_rect.ShrinkToMatchAspectRatio(self.space_rect)
space_pos = screen_rect.LinearMap(self.space_rect, Vector(x, y))
return space_pos
class Game(object):
def __init__(self, screen):
self.screen = screen
self.score = 0
self.hud_font = pygame.font.SysFont('courier', 14)
self.game_objects_list = []
self.space_rect = Rectangle(Vector(-50.0, -50.0), Vector(50.0, 50.0))
self.origin_mass = 10000.0
self.air_resistance = 100.0
self.wind_force_mag = 100.0
self.kill_radius = 100.0
self.place_count = 0
self.game_time_remaining = 2.0 * 60.0
self.game_over = False
self.GenerateNextNode()
pygame.mixer.music.load('sounds/antechamber.mp3')
pygame.mixer.music.play(-1)
self.explosion_sound_list = [
pygame.mixer.Sound('sounds/explode%d.wav' % i) for i in range(3)
]
self.placement_sound_list = [
pygame.mixer.Sound('sounds/placement%d.wav' % i) for i in range(1)
]
def GenerateNextNode(self):
color = (0, 0, 0)
while color == (0, 0, 0):
color = (random.randint(0, 1) * 255, random.randint(0, 1) * 255,
random.randint(0, 1) * 255)
mass = float(random.randint(30, 80))
self.next_node = Node(Vector(), color, mass)
self.place_count += 1
if self.place_count % random.randint(3, 5) == 0:
self.next_node.about_to_explode = True
self.attachment_count = 2 if random.randint(1, 10) > 7 else 1
def AddObject(self, obj):
self.game_objects_list.append(obj)
from explosion import Explosion
if isinstance(obj, Explosion):
sound = self.explosion_sound_list[random.randint(
0,
len(self.explosion_sound_list) - 1)]
sound.play()
def Advance(self, time_delta):
for obj in self.game_objects_list:
obj.Reset()
for obj in self.game_objects_list:
obj.AccumulateForces(self)
# Create a slight breeze that tries to keep everything in view.
center = Vector()
count = 0.0
for obj in self.game_objects_list:
if isinstance(obj, Node):
center += obj.position
count += 1.0
if count > 0.0:
center /= count
wind_force = center.Normalize() * -self.wind_force_mag
for obj in self.game_objects_list:
if isinstance(obj, Node):
obj.net_force += wind_force
for obj in self.game_objects_list:
obj.Advance(time_delta, self)
self.game_objects_list = [
obj for obj in self.game_objects_list if obj.alive
]
if not self.game_over:
pressed_keys = pygame.key.get_pressed()
move_rate = 30.0
if pressed_keys[pygame.K_UP]:
self.next_node.position.y += move_rate * time_delta
if pressed_keys[pygame.K_DOWN]:
self.next_node.position.y -= move_rate * time_delta
if pressed_keys[pygame.K_LEFT]:
self.next_node.position.x -= move_rate * time_delta
if pressed_keys[pygame.K_RIGHT]:
self.next_node.position.x += move_rate * time_delta
mouse_pos = pygame.mouse.get_pos()
if 0 <= mouse_pos[0] < self.screen.get_width(
) and 0 <= mouse_pos[1] < self.screen.get_height():
space_pos = self.SpaceFromScreen(mouse_pos)
self.next_node.position = space_pos
self.game_time_remaining -= time_delta
if self.game_time_remaining <= 0.0:
self.game_over = True
def HandleEvent(self, event):
if not self.game_over:
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_RETURN:
self._ChooseNextNodeLocation()
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 1: # This is a left click, but where is the enum for it?
self._ChooseNextNodeLocation()
def _ChooseNextNodeLocation(self):
node_list = self.FindAttachmentNodes()
for node in node_list:
self.AddObject(Spring(node, self.next_node))
self.AddObject(self.next_node)
self.GenerateNextNode()
sound = random.choice(self.placement_sound_list)
sound.play()
def Draw(self, time_elapsed):
self.screen.fill((0, 0, 0))
self.game_objects_list.sort(key=lambda obj: obj.DrawSortKey())
for obj in self.game_objects_list:
obj.Draw(self)
self.next_node.Draw(self, True)
spring_count = 0
node_count = 0
for obj in self.game_objects_list:
if isinstance(obj, Node):
node_count += 1
elif isinstance(obj, Spring):
spring_count += 1
text = self.hud_font.render('FPS: %f' % (1.0 / time_elapsed), True,
(128, 128, 128))
self.screen.blit(text, (0, 0))
text = self.hud_font.render('Score: %d' % self.score, True,
(255, 255, 255))
self.screen.blit(text, (0, self.hud_font.get_height()))
text = self.hud_font.render('Nodes: %d' % node_count, True,
(255, 255, 255))
self.screen.blit(text, (0, self.hud_font.get_height() * 2))
text = self.hud_font.render('Springs: %d' % spring_count, True,
(255, 255, 255))
self.screen.blit(text, (0, self.hud_font.get_height() * 3))
if not self.game_over:
minutes = int(self.game_time_remaining / 60.0)
seconds = int(self.game_time_remaining % 60.0)
text = self.hud_font.render(
'Time left: %d:%02d' % (minutes, seconds), True,
(255, 255, 255))
self.screen.blit(text, (0, self.hud_font.get_height() * 4))
else:
text = 'GAME OVER'
coords = self._CenterText(text, self.hud_font)
text = self.hud_font.render(text, True, (255, 255, 255))
self.screen.blit(text, coords)
def _CenterText(self, text, font):
screen_width = self.screen.get_width()
screen_height = self.screen.get_height()
text_width, text_height = font.size(text)
coords = ((screen_width - text_width) // 2,
(screen_height - text_height) // 2)
return coords
def SpaceToScreen(self, position):
screen_width = self.screen.get_width()
screen_height = self.screen.get_height()
screen_rect = Rectangle(Vector(), Vector(screen_width, screen_height))
screen_rect.ShrinkToMatchAspectRatio(self.space_rect)
screen_pos = self.space_rect.LinearMap(screen_rect, position)
x = int(screen_pos.x)
y = screen_height - int(screen_pos.y)
#x = min(max(x, 0), screen_width - 1)
#y = min(max(y, 0), screen_height - 1)
return (x, y)
def SpaceFromScreen(self, coords):
screen_width = self.screen.get_width()
screen_height = self.screen.get_height()
x = coords[0]
y = screen_height - coords[1]
screen_rect = Rectangle(Vector(), Vector(screen_width, screen_height))
screen_rect.ShrinkToMatchAspectRatio(self.space_rect)
space_pos = screen_rect.LinearMap(self.space_rect, Vector(x, y))
return space_pos
def FindAttachmentNodes(self):
node_list = [
obj for obj in self.game_objects_list if isinstance(obj, Node)
]
node_list.sort(
key=lambda obj: (obj.position - self.next_node.position).Length())
while len(node_list) > self.attachment_count:
node_list.pop(-1)
return node_list
