class Game:
def __init__(self):
# game evironment variables
self.windowWidth = SCREEN_WIDTH
self.windowHeight = SCREEN_HEIGHT
self.running = False
self.worldWidth = self.windowWidth #* 3
self.worldHeight = self.windowHeight #* 4
self.totalEnemyAtomMass = 0
self.playerWon = False
self.playerLost = False
self.musicVolume = 0.5
# movement flags
self.moveUP = False
self.moveLEFT = False
self.moveDOWN = False
self.moveRIGHT = False
# init the game systems
self.setup_pygame()
self.setup_camera()
self.setup_atoms()
def setup_pygame(self):
pygame.init()
self.oldTime = self.newTicks = pygame.time.get_ticks()
self.screen = pygame.display.set_mode(
(self.windowWidth, self.windowHeight),
pygame.DOUBLEBUF | pygame.HWSURFACE)
pygame.display.set_caption('Osmos Clone')
self.font = pygame.font.Font('freesansbold.ttf', 32)
pygame.display.set_icon(pygame.image.load('images/osmos.png'))
pygame.mixer.music.load('sound/MOONDARK_PROJECT.mp3')
pygame.mixer.music.play(-1, 0.0)
def setup_camera(self):
self.camera = Camera2d(self.worldWidth / 2 - (SCREEN_WIDTH / 2),
self.worldHeight / 2 - (SCREEN_HEIGHT / 2),
self.screen)
def setup_atoms(self):
# Load atom images
self.atomImage = pygame.image.load('images/osmos.png')
self.enemyImage = pygame.image.load('images/osmos-enemy.png')
self.atoms = []
add = self.atoms.append
self.playerAtom = Atom(self.worldWidth / 2, self.worldHeight / 2,
self.atomImage.get_width() / 4,
self.atomImage.get_height() / 4, self.atomImage,
True)
add(self.playerAtom)
self.camera.follow(self.playerAtom)
for x in xrange(ENEMY_COUNT):
generalSize = random.randint(20, 45)
multiplier = random.randint(1, 3)
x = random.randint(1, self.worldWidth)
y = random.randint(1, self.worldHeight)
width = (generalSize + random.randint(5, 10)) * multiplier
height = (generalSize + random.randint(5, 10)) * multiplier
atom = Atom(x, y, width, height, self.enemyImage)
self.totalEnemyAtomMass += atom.mass
add(atom)
def run(self):
self.running = True
while (self.running):
self.get_input()
self.process()
self.render()
def get_input(self):
for event in pygame.event.get(): # event handling loop
if event.type == QUIT:
self.running = False
elif event.type == KEYDOWN:
if event.key in (K_UP, K_w):
self.moveDOWN = False
self.moveUP = True
elif event.key in (K_DOWN, K_s):
self.moveUP = False
self.moveDOWN = True
elif event.key in (K_LEFT, K_a):
self.moveRIGHT = False
self.moveLEFT = True
elif event.key in (K_RIGHT, K_d):
self.moveLEFT = False
self.moveRIGHT = True
elif event.key == K_ESCAPE:
self.running = False
elif event.key == K_r:
self.reset_game()
elif event.key == K_PLUS:
self.musicVolume += 0.01
if self.musicVolume > 1.0:
self.musicVolume = 1.0
pygame.mixer.music.set_volume(self.musicVolume)
elif event.key == K_MINUS:
self.musicVolume -= 0.01
if self.musicVolume < 0.0:
self.musicVolume = 0.0
pygame.mixer.music.set_volume(self.musicVolume)
elif event.type == KEYUP:
# stop moving the player
if event.key in (K_LEFT, K_a):
self.moveLEFT = False
elif event.key in (K_RIGHT, K_d):
self.moveRIGHT = False
elif event.key in (K_UP, K_w):
self.moveUP = False
elif event.key in (K_DOWN, K_s):
self.moveDOWN = False
def apply_player_direction(self, delta):
direction = Vector2d(0, 0)
if self.moveDOWN:
direction += Vector2d(0, PLAYER_ACCELERATION)
if self.moveUP:
direction += Vector2d(0, -PLAYER_ACCELERATION)
if self.moveRIGHT:
direction += Vector2d(PLAYER_ACCELERATION, 0)
if self.moveLEFT:
direction += Vector2d(-PLAYER_ACCELERATION, 0)
self.playerAtom.velocity += direction
def process(self):
# get the number of clock ticks since last render
self.oldTime = self.newTicks
self.newTicks = pygame.time.get_ticks()
delta = self.newTicks - self.oldTime
# react to player inputs
if not self.playerWon:
if not self.playerLost:
self.apply_player_direction(delta)
# perform all atoms processes
largestAtom = None
smallestAtom = None
for atom in self.atoms:
if largestAtom == None:
largestAtom = atom
smallestAtom = atom
# process atom behaviours
atom.process(delta, self.atoms)
atom.move(delta)
# find the largest atom to see if the player has won
if atom.radius > largestAtom.radius:
largestAtom = atom
# find out if the player is the smallest atom
if atom.radius < smallestAtom.radius:
smallestAtom = atom
if largestAtom == self.playerAtom:
self.playerWon = True
if smallestAtom == self.playerAtom:
self.playerLost = True
# update the cameras status
self.camera.process()
def render(self):
# draw a black background
self.screen.fill((0, 0, 0))
# draw all atoms
for atom in self.atoms:
atom.draw(self.camera)
# the player has become the largest atom!
if self.playerWon:
self.display_player_won()
# the player has become the largest atom!
if self.playerLost:
self.display_player_lost()
# push the rendered scene to the screen
pygame.display.flip()
def display_player_won(self):
text = self.font.render('OWNASAURUS REX!', True, (255, 255, 255))
textRect = text.get_rect()
textRect.centerx = self.windowWidth / 2
textRect.centery = self.windowHeight / 2
self.screen.blit(text, textRect)
self.display_reset_message()
def display_player_lost(self):
text = self.font.render('You Lost!', True, (255, 255, 255))
textRect = text.get_rect()
textRect.centerx = self.windowWidth / 2
textRect.centery = self.windowHeight / 2
self.screen.blit(text, textRect)
self.display_reset_message()
def display_reset_message(self):
text = self.font.render("Press 'r' to reset.", True, (255, 255, 255))
textRect = text.get_rect()
textRect.centerx = self.windowWidth / 2
textRect.centery = (self.windowHeight / 2) + 40
self.screen.blit(text, textRect)
def reset_game(self):
for atom in self.atoms:
x = random.randint(1, self.worldWidth)
y = random.randint(1, self.worldHeight)
mass = random.randint(1, 20)
atom.reset_with_values(x, y, mass)
self.camera.x = self.windowWidth / 2
self.camera.y = self.windowHeight / 2
self.playerAtom.reset_with_values(self.camera.x, self.camera.y,
PLAYER_STARTING_MASS)
self.playerWon = False
self.playerLost = False
class Game:
def __init__(self):
# game evironment variables
self.windowWidth = SCREEN_WIDTH
self.windowHeight = SCREEN_HEIGHT
self.running = False
self.worldWidth = self.windowWidth #* 3
self.worldHeight = self.windowHeight #* 4
self.totalEnemyAtomMass = 0
self.playerWon = False
self.playerLost = False
self.musicVolume = 0.5
# movement flags
self.moveUP = False
self.moveLEFT = False
self.moveDOWN = False
self.moveRIGHT = False
# init the game systems
self.setup_pygame()
self.setup_camera()
self.setup_atoms()
def setup_pygame(self):
pygame.init()
self.oldTime = self.newTicks = pygame.time.get_ticks()
self.screen = pygame.display.set_mode((self.windowWidth, self.windowHeight),
pygame.DOUBLEBUF|pygame.HWSURFACE)
pygame.display.set_caption('Osmos Clone')
self.font = pygame.font.Font('freesansbold.ttf', 32)
pygame.display.set_icon(pygame.image.load('images/osmos.png'))
pygame.mixer.music.load('sound/MOONDARK_PROJECT.mp3')
pygame.mixer.music.play(-1,0.0)
def setup_camera(self):
self.camera = Camera2d(self.worldWidth/2 - (SCREEN_WIDTH / 2),
self.worldHeight/2 - (SCREEN_HEIGHT / 2),
self.screen)
def setup_atoms(self):
# Load atom images
self.atomImage = pygame.image.load('images/osmos.png')
self.enemyImage = pygame.image.load('images/osmos-enemy.png')
self.atoms = []; add = self.atoms.append
self.playerAtom = Atom(self.worldWidth/2,
self.worldHeight/2,
self.atomImage.get_width() / 4,
self.atomImage.get_height() / 4,
self.atomImage,
True)
add(self.playerAtom)
self.camera.follow(self.playerAtom)
for x in xrange(ENEMY_COUNT):
generalSize = random.randint(20, 45)
multiplier = random.randint(1, 3)
x = random.randint(1, self.worldWidth)
y = random.randint(1, self.worldHeight)
width = (generalSize + random.randint(5, 10)) * multiplier
height = (generalSize + random.randint(5, 10)) * multiplier
atom = Atom(x,
y,
width,
height,
self.enemyImage)
self.totalEnemyAtomMass += atom.mass
add(atom)
def run(self):
self.running = True
while(self.running):
self.get_input()
self.process()
self.render()
def get_input(self):
for event in pygame.event.get(): # event handling loop
if event.type == QUIT:
self.running = False
elif event.type == KEYDOWN:
if event.key in (K_UP, K_w):
self.moveDOWN = False
self.moveUP = True
elif event.key in (K_DOWN, K_s):
self.moveUP = False
self.moveDOWN = True
elif event.key in (K_LEFT, K_a):
self.moveRIGHT = False
self.moveLEFT = True
elif event.key in (K_RIGHT, K_d):
self.moveLEFT = False
self.moveRIGHT = True
elif event.key == K_ESCAPE:
self.running = False
elif event.key == K_r:
self.reset_game()
elif event.key == K_PLUS:
self.musicVolume += 0.01
if self.musicVolume > 1.0:
self.musicVolume = 1.0
pygame.mixer.music.set_volume(self.musicVolume)
elif event.key == K_MINUS:
self.musicVolume -= 0.01
if self.musicVolume < 0.0:
self.musicVolume = 0.0
pygame.mixer.music.set_volume(self.musicVolume)
elif event.type == KEYUP:
# stop moving the player
if event.key in (K_LEFT, K_a):
self.moveLEFT = False
elif event.key in (K_RIGHT, K_d):
self.moveRIGHT = False
elif event.key in (K_UP, K_w):
self.moveUP = False
elif event.key in (K_DOWN, K_s):
self.moveDOWN = False
def apply_player_direction(self, delta):
direction = Vector2d(0,0)
if self.moveDOWN:
direction += Vector2d(0, PLAYER_ACCELERATION)
if self.moveUP:
direction += Vector2d(0, -PLAYER_ACCELERATION)
if self.moveRIGHT:
direction += Vector2d(PLAYER_ACCELERATION, 0)
if self.moveLEFT:
direction += Vector2d(-PLAYER_ACCELERATION, 0)
self.playerAtom.velocity += direction
def process(self):
# get the number of clock ticks since last render
self.oldTime = self.newTicks
self.newTicks = pygame.time.get_ticks()
delta = self.newTicks - self.oldTime
# react to player inputs
if not self.playerWon:
if not self.playerLost:
self.apply_player_direction(delta)
# perform all atoms processes
largestAtom = None
smallestAtom = None
for atom in self.atoms:
if largestAtom == None:
largestAtom = atom
smallestAtom = atom
# process atom behaviours
atom.process(delta, self.atoms)
atom.move(delta)
# find the largest atom to see if the player has won
if atom.radius > largestAtom.radius:
largestAtom = atom
# find out if the player is the smallest atom
if atom.radius < smallestAtom.radius:
smallestAtom = atom
if largestAtom == self.playerAtom:
self.playerWon = True
if smallestAtom == self.playerAtom:
self.playerLost = True
# update the cameras status
self.camera.process()
def render(self):
# draw a black background
self.screen.fill((0,0,0))
# draw all atoms
for atom in self.atoms:
atom.draw(self.camera)
# the player has become the largest atom!
if self.playerWon:
self.display_player_won()
# the player has become the largest atom!
if self.playerLost:
self.display_player_lost()
# push the rendered scene to the screen
pygame.display.flip()
def display_player_won(self):
text = self.font.render('OWNASAURUS REX!', True, (255,255,255))
textRect = text.get_rect()
textRect.centerx = self.windowWidth / 2
textRect.centery = self.windowHeight / 2
self.screen.blit(text, textRect)
self.display_reset_message()
def display_player_lost(self):
text = self.font.render('You Lost!', True, (255,255,255))
textRect = text.get_rect()
textRect.centerx = self.windowWidth / 2
textRect.centery = self.windowHeight / 2
self.screen.blit(text, textRect)
self.display_reset_message()
def display_reset_message(self):
text = self.font.render("Press 'r' to reset.", True, (255,255,255))
textRect = text.get_rect()
textRect.centerx = self.windowWidth / 2
textRect.centery = (self.windowHeight / 2) + 40
self.screen.blit(text, textRect)
def reset_game(self):
for atom in self.atoms:
x = random.randint(1, self.worldWidth)
y = random.randint(1, self.worldHeight)
mass = random.randint(1, 20)
atom.reset_with_values(x, y, mass)
self.camera.x = self.windowWidth / 2
self.camera.y = self.windowHeight / 2
self.playerAtom.reset_with_values(self.camera.x,
self.camera.y,
PLAYER_STARTING_MASS)
self.playerWon = False
self.playerLost = False
