12. Developing a game activity using Pygame like bouncing ball, car race etc.
12. Developing a game activity using Pygame like bouncing ball, car race etc.
SIMULATE BOUNCING BALL USING PYGAME
To write a python program to simulate bouncing ball using pygame.
PROGRAM/SOURCE CODE :
import sys, pygame
pygame.init()
size = width, height = 800, 600
speed = [1, 1]
background = 255, 255, 255
screen = pygame.display.set_mode(size)
pygame.display.set_caption("Bouncing ball")
ball = pygame.image.load("ball.png")
ballrect = ball.get_rect()
while 1:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
ballrect = ballrect.move(speed)
if ballrect.left < 0 or ballrect.right > width:
speed[0] = -speed[0]
if ballrect.top < 0 or ballrect.bottom > height:
speed[1] = -speed[1]
screen.fill(background)
screen.blit(ball, ballrect)
pygame.display.flip()
OUTPUT
RESULT:
Thus the program to simulate bouncing ball using pygameis executed and the output is obtained.
12. Developing a game activity using Pygame like car race .
PROGRAM/SOURCE CODE :
import random
from time import sleep
import pygame
class CarRacing:
def __init__(self):
pygame.init()
self.display_width = 800
self.display_height = 600
self.black = (0, 0, 0)
self.white = (255, 255, 255)
self.clock = pygame.time.Clock()
self.gameDisplay = None
self.initialize()
def initialize(self):
self.crashed = False
self.carImg = pygame.image.load('.\\img\\car.png')
self.car_x_coordinate = (self.display_width * 0.45)
self.car_y_coordinate = (self.display_height * 0.8)
self.car_width = 49
# enemy_car
self.enemy_car = pygame.image.load('.\\img\\enemy_car_1.png')
self.enemy_car_startx = random.randrange(310, 450)
self.enemy_car_starty = -600
self.enemy_car_speed = 5
self.enemy_car_width = 49
self.enemy_car_height = 100
# Background
self.bgImg = pygame.image.load(".\\img\\back_ground.jpg")
self.bg_x1 = (self.display_width / 2) - (360 / 2)
self.bg_x2 = (self.display_width / 2) - (360 / 2)
self.bg_y1 = 0
self.bg_y2 = -600
self.bg_speed = 3
self.count = 0
def car(self, car_x_coordinate, car_y_coordinate):
self.gameDisplay.blit(self.carImg, (car_x_coordinate, car_y_coordinate))
def racing_window(self):
self.gameDisplay = pygame.display.set_mode((self.display_width, self.display_height))
pygame.display.set_caption('Car Dodge')
self.run_car()
def run_car(self):
while not self.crashed:
for event in pygame.event.get():
if event.type == pygame.QUIT:
self.crashed = True
# print(event)
if (event.type == pygame.KEYDOWN):
if (event.key == pygame.K_LEFT):
self.car_x_coordinate -= 50
print ("CAR X COORDINATES: %s" % self.car_x_coordinate)
if (event.key == pygame.K_RIGHT):
self.car_x_coordinate += 50
print ("CAR X COORDINATES: %s" % self.car_x_coordinate)
print ("x: {x}, y: {y}".format(x=self.car_x_coordinate, y=self.car_y_coordinate))
self.gameDisplay.fill(self.black)
self.back_ground_raod()
self.run_enemy_car(self.enemy_car_startx, self.enemy_car_starty)
self.enemy_car_starty += self.enemy_car_speed
if self.enemy_car_starty > self.display_height:
self.enemy_car_starty = 0 - self.enemy_car_height
self.enemy_car_startx = random.randrange(310, 450)
self.car(self.car_x_coordinate, self.car_y_coordinate)
self.highscore(self.count)
self.count += 1
if (self.count % 100 == 0):
self.enemy_car_speed += 1
self.bg_speed += 1
if self.car_y_coordinate < self.enemy_car_starty + self.enemy_car_height:
if self.car_x_coordinate > self.enemy_car_startx and self.car_x_coordinate < self.enemy_car_startx + self.enemy_car_width or self.car_x_coordinate + self.car_width > self.enemy_car_startx and self.car_x_coordinate + self.car_width < self.enemy_car_startx + self.enemy_car_width:
self.crashed = True
self.display_message("Game Over !!!")
if self.car_x_coordinate < 310 or self.car_x_coordinate > 460:
self.crashed = True
self.display_message("Game Over !!!")
pygame.display.update()
self.clock.tick(60)
def display_message(self, msg):
font = pygame.font.SysFont("comicsansms", 72, True)
text = font.render(msg, True, (255, 255, 255))
self.gameDisplay.blit(text, (400 - text.get_width() // 2, 240 - text.get_height() // 2))
self.display_credit()
pygame.display.update()
self.clock.tick(60)
sleep(1)
car_racing.initialize()
car_racing.racing_window()
def back_ground_raod(self):
self.gameDisplay.blit(self.bgImg, (self.bg_x1, self.bg_y1))
self.gameDisplay.blit(self.bgImg, (self.bg_x2, self.bg_y2))
self.bg_y1 += self.bg_speed
self.bg_y2 += self.bg_speed
if self.bg_y1 >= self.display_height:
self.bg_y1 = -600
if self.bg_y2 >= self.display_height:
self.bg_y2 = -600
def run_enemy_car(self, thingx, thingy):
self.gameDisplay.blit(self.enemy_car, (thingx, thingy))
def highscore(self, count):
font = pygame.font.SysFont("arial", 20)
text = font.render("Score : " + str(count), True, self.white)
self.gameDisplay.blit(text, (0, 0))
def display_credit(self):
font = pygame.font.SysFont("lucidaconsole", 14)
text = font.render("Thanks for playing!", True, self.white)
self.gameDisplay.blit(text, (600, 520))
if __name__ == '__main__':
car_racing = CarRacing()
car_racing.racing_window()
OUTPUT
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