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visualizer.py
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import sys
import pygame
sys.path.append(".")
import time
from design_set.global_variables import *
from grid.grids import make_grid, draw, get_clicked_pos
from algorithms.a_star import astar
from algorithms.bfs import bfs
from algorithms.dfs import dfs
from algorithms.dijkstra import dijkstra
from algorithms.bidirectional_search import bidirectional_search
from algorithms.best_first_search import best_first_search
WIN = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Path-finding Algorithm Visualizer")
pygame.init()
def main(win, width):
grid = make_grid(ROWS, width)
all_fonts = pygame.font.get_fonts()
start = None
end = None
ALG_ID = 0
start_time = 0
elapsed_time = 0
total_visited_nodes = 0
run = True
while run:
# print(ALG_ID)
draw(win, grid, ROWS, width, ALG_ID, elapsed_time)
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
if button_astar.check() == True and ALG_ID != 0:
button_astar.background_color = LIGHT_BUTTON
else:
button_astar.background_color = DARK_BUTTON
if button_bfs.check() == True and ALG_ID != 1:
button_bfs.background_color = LIGHT_BUTTON
else:
button_bfs.background_color = DARK_BUTTON
if button_dfs.check() == True and ALG_ID != 2:
button_dfs.background_color = LIGHT_BUTTON
else:
button_dfs.background_color = DARK_BUTTON
if button_dijkstra.check() == True and ALG_ID != 3:
button_dijkstra.background_color = LIGHT_BUTTON
else:
button_dijkstra.background_color = DARK_BUTTON
if button_bidirectional.check() == True and ALG_ID != 4:
button_bidirectional.background_color = LIGHT_BUTTON
else:
button_bidirectional.background_color = DARK_BUTTON
if button_best_first_search.check() == True and ALG_ID != 5:
button_best_first_search.background_color = LIGHT_BUTTON
else:
button_best_first_search.background_color = DARK_BUTTON
if button_reset.check():
button_reset.background_color = LIGHT_BUTTON
else:
button_reset.background_color = DARK_BUTTON
# LEFT SCREEN
if pygame.mouse.get_pressed()[0]:
pos = pygame.mouse.get_pos()
row, col = get_clicked_pos(pos, ROWS, width)
if row < ROWS and col < ROWS:
spot = grid[row][col]
if not start and spot != end:
start = spot
start.isStart = 1
start.make_start()
elif not end and spot != start:
end = spot
end.isEnd = 1
end.make_end()
elif spot != end and spot != start:
spot.make_barrier()
elif button_reset.check():
start = None
end = None
grid = make_grid(ROWS, width)
start_time = 0
elapsed_time = 0
total_visited_nodes = 0
if button_start.check() == True and start and end:
for row in grid:
for spot in row:
spot.update_neighbors(grid)
temp_start = start
temp_end = end
# start_time = 0
# elapsed_time = 0
if ALG_ID == 0:
start_time = time.time()
astar(lambda: draw(win, grid, ROWS, width, ALG_ID, 0), grid, start, end)
elapsed_time = time.time() - start_time
if ALG_ID == 1:
start_time = time.time()
bfs(lambda: draw(win, grid, ROWS, width, ALG_ID, 0), grid, start, end)
elapsed_time = time.time() - start_time
if ALG_ID == 2:
start_time = time.time()
path = []
visited = []
dfs(lambda: draw(win, grid, ROWS, width, ALG_ID, 0), grid, start, end, path, visited)
elapsed_time = time.time() - start_time
if ALG_ID == 3:
start_time = time.time()
dijkstra(lambda: draw(win, grid, ROWS, width, ALG_ID, 0), grid, start, end)
elapsed_time = time.time() - start_time
if (ALG_ID == 4):
start_time = time.time()
bidirectional_search(lambda: draw(win, grid, ROWS, width, ALG_ID, 0), grid, start, end)
elapsed_time = time.time() - start_time
if (ALG_ID == 5):
start_time = time.time()
best_first_search(lambda: draw(win, grid, ROWS, width, ALG_ID, 0), grid, start, end)
elapsed_time = time.time() - start_time
temp_start.make_start()
temp_end.make_end()
# draw(win, grid, ROWS, WIDTH, ALG_ID, elapsed_time)
if button_astar.check():
button_astar.background_color = LIGHT_BLUE
ALG_ID = 0
else:
button_astar.background_color = DARK_BUTTON
if button_bfs.check():
button_bfs.background_color = LIGHT_BLUE
ALG_ID = 1
else:
button_bfs.background_color = DARK_BUTTON
if button_dfs.check():
button_dfs.background_color = LIGHT_BLUE
ALG_ID = 2
else:
button_dfs.background_color = DARK_BUTTON
if button_dijkstra.check():
button_dijkstra.background_color = LIGHT_BLUE
ALG_ID = 3
else:
button_dijkstra.background_color = DARK_BUTTON
if button_bidirectional.check() == True:
button_bidirectional.background_color = LIGHT_BLUE
ALG_ID = 4
else:
button_bidirectional.background_color = DARK_BUTTON
if button_best_first_search.check() == True:
button_best_first_search.background_color = LIGHT_BLUE
ALG_ID = 5
else:
button_best_first_search.background_color = DARK_BUTTON
# RIGHT SCREEN
elif pygame.mouse.get_pressed()[2]:
pos = pygame.mouse.get_pos()
row, col = get_clicked_pos(pos, ROWS, width)
if row < ROWS and col < ROWS:
spot = grid[row][col]
spot.reset()
if spot == start:
spot.isStart = -1
start = None
elif spot == end:
spot.isEnd = -1
end = None
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
pygame.quit()
# pygame.quit()
main(WIN, WIDTH)