# Imports

import pygame

import intersects

# Initialize game engine

pygame.init()

# Window

SIZE = (800, 600)

TITLE = "Wall Detection"

screen = pygame.display.set_mode(SIZE)

pygame.display.set_caption(TITLE)

# Timer

clock = pygame.time.Clock()

refresh_rate = 60

# Colors

RED = (255, 0, 0)

WHITE = (255, 255, 255)

BLACK = (0, 0, 0)

# Make a block

block = [200, 150, 50, 50]

block_vx = 0

block_vy = 0

block_speed = 5

# make a wall

wall = [300, 275, 200, 50]

# Game loop

done = False

while not done:

# Event processing (React to key presses, mouse clicks, etc.)

''' for now, we'll just check to see if the X is clicked '''

for event in pygame.event.get():

if event.type == pygame.QUIT:

done = True

state = pygame.key.get_pressed()

up = state[pygame.K_UP]

down = state[pygame.K_DOWN]

left = state[pygame.K_LEFT]

right = state[pygame.K_RIGHT]

if up:

block_vy = -block_speed

elif down:

block_vy = block_speed

else:

block_vy = 0

if left:

block_vx = -block_speed

elif right:

block_vx = block_speed

else:

block_vx = 0

# Game logic (Check for collisions, update points, etc.)

''' move the block in horizontal direction '''

block[0] += block_vx

''' resolve collision '''

if intersects.rect_rect(block, wall):

if block_vx > 0:

block[0] = wall[0] - block[2]

elif block_vx < 0:

block[0] = wall[0] + wall[2]

''' move the block in vertical direction '''

block[1] += block_vy

''' resolve collision '''

if intersects.rect_rect(block, wall):

if block_vy > 0:

block[1] = wall[1] - block[3]

elif block_vy < 0:

block[1] = wall[1] + wall[3]

# Drawing code (Describe the picture. It isn't actually drawn yet.)

screen.fill(BLACK)

pygame.draw.rect(screen, WHITE, block)

pygame.draw.rect(screen, RED, wall)

# Update screen (Actually draw the picture in the window.)

pygame.display.flip()

# Limit refresh rate of game loop

clock.tick(refresh_rate)

# Close window and quit

pygame.quit()