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# Robot saving nature
import os
import sys
import time
import random
import pygame
from pygame.locals import *
pygame.init()
# Screen size
window_h = 600
window_w = 800
screen = pygame.display.set_mode((window_w, window_h))
# Background image
object_background = pygame.image.load('images/park_2.png')
screen.blit(object_background, (0, 0))
# Normal speed
speed = 9
# Garbage image
object_garbage = pygame.image.load('images/paper.png')
position_garbage = [ 400, 300 ]
screen.blit(object_garbage, position_garbage)
# Robot image
object_robot = pygame.image.load('images/robot_1.png')
position_robot = [0, window_h - object_robot.get_height()]
x_direction = 0
y_direction = 0
screen.blit(object_robot, position_robot)
# Initialize images
pygame.display.update()
position_garbage = [0,0]
start_time = time.time()
fps = 30
frame_time = 1.0/fps
# Main loop
exit = False
while not exit:
# Process pygame events
for event in pygame.event.get():
# Escape key to quit the game
if event.type == pygame.QUIT or \
(event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE):
exit = True
break
# Handle movement for the character
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
x_direction = -1
y_direction = 0
if event.key == pygame.K_RIGHT:
x_direction = 1
y_direction =0
if event.key == pygame.K_UP:
y_direction = -1
x_direction = 0
if event.key == pygame.K_DOWN:
y_direction = 1
x_direction = 0
# Uncomment this if you want the robot to stop when you release the keys
# if event.type == pygame.KEYUP:
# if (event.key == pygame.K_LEFT and x_direction == -1 and y_direction == 0) or\
# (event.key == pygame.K_RIGHT and x_direction == 1 and y_direction == 0) or\
# (event.key == pygame.K_UP and y_direction == -1 and x_direction == 0) or\
# (event.key == pygame.K_DOWN and y_direction == 1 and x_direction == 0):
# x_direction = 0
# y_direction = 0
if exit:
break
current_time = time.time()
if current_time - start_time <= frame_time:
continue
start_time = current_time
# draw the background first, because it will cover all the screen
screen.blit(object_background, (0,0))
# draw everything else over the background
# Score text
score = 10
score_current = "Score: " + str(score)
font = pygame.font.Font(None, 36)
text = font.render( score_current , 1, (0, 0, 0, 0))
screen.blit(text, (0, 0))
# Robot
screen.blit(object_robot, (position_robot[0], position_robot[1]))
# Move the character around the screen
position_robot = [((position_robot[0] + x_direction * speed )%window_w), \
((position_robot[1] + y_direction * speed )%window_h) ]
# Garbage
screen.blit(object_garbage, (position_garbage[0], position_garbage[1]))
position_garbage = [((position_garbage[0] + random.randint(0,10) )%window_w), \
((position_garbage[1] + random.randint(0,10) )%window_h) ]
# position_garbage = [(position_garbage[0] + 3 ), (position_garbage[1] + 3 ) ]
pygame.display.update()
pygame.quit()
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