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classes.py
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classes.py
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import pygame
import random
class Bird():
""" Represents the player in the game (the Tracky Bird) """
def __init__(self,screenx, screeny):
""" Initialize a Tracky bird at the specified position
pos_x, pos_y """
self.up = pygame.image.load("./images/bird_up.png")
self.up = pygame.transform.scale(self.up, (50,50))
self.up_up = pygame.image.load("./images/bird_up.png")
self.up_up = pygame.transform.scale(self.up_up, (50,50))
self.normal = pygame.image.load("./images/bird_wing_down.png")
self.normal = pygame.transform.scale(self.normal, (50, 50))
self.deg10 = pygame.image.load("./images/bird_10_degrees.png")
self.deg10 = pygame.transform.scale(self.deg10, (50, 50))
self.deg20 = pygame.image.load("./images/bird_20_degrees.png")
self.deg20 = pygame.transform.scale(self.deg20, (50, 50))
self.deg30 = pygame.image.load("./images/bird_30_degrees.png")
self.deg30 = pygame.transform.scale(self.deg30, (50, 50))
self.deg60 = pygame.image.load("./images/bird_60_degrees.png")
self.deg60 = pygame.transform.scale(self.deg60, (50, 50))
self.deg90 = pygame.image.load("./images/bird_90_degrees.png")
self.deg90 = pygame.transform.scale(self.deg90, (50, 50))
self.images = { 0:self.up, 1:self.up_up, 2:self.normal, 3:self.deg10, 4:self.deg20,
5:self.deg30, 6:self.deg60, 7:self.deg90}
self.image = self.images[2]
self.pos_x = screenx/2-200
self.pos_y = screeny/2
self.death_height = int(screeny * (7.0/8.0))
self.width = 50 # replace with width of sprite
self.height = 50 # replace with height of sprite
self.v_x = 0
self.v_y = 0
self.jumping = 0
def get_drawables(self):
""" get the drawables that makeup the Flappy Bird Player """
return [DrawableSurface(self.image,
self.image.get_rect().move(self.pos_x, self.pos_y))]
def draw(self, surface):
surface.blit(self.image, (self.pos_x, self.pos_y))
def reset(self, screenx, screeny):
"""Resets the bird to its starting position and velocity."""
self.pos_x = screenx/2-200
self.pos_y = screeny/2
self.width = 50 # replace with width of sprite
self.height = 50 # replace with height of sprite
self.v_x = 0
self.v_y = 0
self.jumper = 0
def update(self, delta_t):
"""Update the flappy bird's position"""
if self.jumping:
self.v_y = -350
self.jumping = False
else:
self.v_y += 30 #falling acceleration
self.pos_x += self.v_x*delta_t
self.pos_y += self.v_y*delta_t
if self.v_y < 0 and self.image is self.images[1]:
self.image = self.images[0]
elif self.v_y < 0 and self.image is self.images[0]:
self.image = self.images[1]
elif self.v_y < 50: self.image = self.images[2]
elif self.v_y < 100: self.image = self.images[3]
elif self.v_y < 150: self.image = self.images[4]
elif self.v_y < 200: self.image = self.images[5]
elif self.v_y < 300: self.image = self.images[6]
elif self.v_y < 500: self.image = self.images[7]
def check_loss(self):
"""Checks if the bird has gone too high out of the window"""
return (self.pos_y > self.death_height - 30)
def collision(self, rectangles):
"""Checks if the bird has collided with a pipe or ground"""
bird_rect = self.get_rect()
for rect in rectangles:
if rect.contains(bird_rect):
return True
elif (rect.left <= self.pos_x \
and rect.right >= self.pos_x \
and self.pos_y <= 0):
return True
return False
def get_rect(self):
"""Returns a Rectangle with the bird's position"""
return Rectangle(self.pos_x, self.pos_y, self.width, self.height)
def flap(self):
""" cause the bird to accelerate upwards (negative y direction) """
if(self.pos_y > 40):
self.jumping = True
class PipeObstacle():
"""Defines the pipe obstacles that the Tracky Bird must fly through"""
counter = 0
def __init__(self, screenx, screeny):
"""Initializes a pipe obstacle"""
PipeObstacle.counter += 1
self.gap = 200
self.count = PipeObstacle.counter
self.screenx = screenx
self.screeny = screeny
self.posx = screenx + 300 + (((self.screenx)/2+60) * (self.count-1))
self.width = 120
self.top_width = 20
self.posy = random.randrange(screeny-300, int(screeny * (7.0/8.0)))
self.height = screeny-self.posy
self.image = pygame.image.load('./images/pipe_body.png')
self.image = pygame.transform.scale(self.image,
(self.width, self.height))
self.top = pygame.image.load('./images/pipe_top.png')
self.top = pygame.transform.scale(self.top, (self.width + self.top_width, 30))
self.reflection = pygame.transform.scale(self.image,
(self.width, self.posy-self.gap))
def draw(self, screen):
"""Creates the pipes' sprites in the window"""
screen.blit(self.image, (self.posx, self.posy))
screen.blit(self.reflection, (self.posx, 0))
screen.blit(self.top, (self.posx - self.top_width/2.0, self.posy))
screen.blit(self.top, (self.posx - self.top_width/2.0, self.posy - self.gap - 30))
def reset(self):
"""Resets the pipe obstacle values when a new game begins"""
self.posx = self.screenx + 300 + (((self.screenx)/2+60) * (self.count-1))
self.width = 120
self.posy = random.randrange(self.screeny-300, int(self.screeny * (7.0/8.0)))
self.height = self.screeny-self.posy
self.image = pygame.transform.scale(self.image, (self.width, self.height))
self.reflection = pygame.transform.scale(self.image, (self.width, self.posy-self.gap))
def update(self, delta_t):
"""Updates pipe position to move left in window"""
self.posx -= (200 * delta_t)
if(self.posx < -1 * self.width):
self.posx = self.screenx
self.posy = random.randrange(self.screeny-300, int(self.screeny * (7.0/8.0)))
self.height = self.screeny-self.posy
self.image = pygame.transform.scale(self.image, (self.width, self.height))
self.reflection = pygame.transform.scale(self.image, (self.width, self.posy-self.gap))
def rect(self):
"""Returns two rectangles initialized with values describing the two pipes"""
return [Rectangle(self.posx, self.posy, self.width, self.height),
Rectangle(self.posx, 0, self.width, self.posy-200)]
class Rectangle():
"""Represents a sprite's location in the game"""
def __init__(self, left, top, width, height):
"""Initializes a Rectangle with values to describe its location and size"""
self.top = top
self.left = left
self.width = width
self.height = height
self.right = left+width
self.bottom = top + height
def contains(self, rect):
"""Determines if two sprites have collided"""
if(rect.right >= self.left and rect.left <= self.left+self.width):
if(rect.top <= self.top+self.height and rect.bottom >= self.top):
return True
return False