File size: 6,853 Bytes
871093a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | import pygame
import os
import math
import sys
import neat
import time
SCREEN_WIDTH = 1011
SCREEN_HEIGHT = 979
SCREEN = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
TRACK = pygame.image.load(os.path.join("Assets","mario_circuit1.png"))
pygame.font.init()
fastest_lap = float('inf')
class Car(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.orig_image = pygame.image.load(os.path.join("Assets", "mario_kart_2.png"))
self.image = self.orig_image
self.rect = self.image.get_rect(center=(624, 800))
self.velocity = pygame.math.Vector2(0.8, 0)
self.angle = 0
self.rotation = 2.5
self.direction = 0
self.alive = True
self.radars = []
self.start= False
self.lap_completed=False
self.start_time=None
self.cooldown= 3
def update(self):
self.radars.clear()
self.drive()
self.rotate()
for radar_angle in (-60, -30, 0, 30, 60):
self.radar(radar_angle)
self.collision()
self.data()
def drive(self):
self.rect.center += self.velocity * 3
def collision(self):
length = 30
col_right = [int(self.rect.center[0] + math.cos(math.radians(self.angle + 18)) * length),
int(self.rect.center[1] - math.sin(math.radians(self.angle + 18)) * length)]
col_left = [int(self.rect.center[0] + math.cos(math.radians(self.angle - 18)) * length),
int(self.rect.center[1] - math.sin(math.radians(self.angle - 18)) * length)]
#Boundary checks
if SCREEN.get_at(col_right) == pygame.Color(135, 81, 48, 255) or SCREEN.get_at(col_left) == pygame.Color(135, 81, 48, 255):
self.alive = False
if SCREEN.get_at(col_right) == pygame.Color(0, 162, 232, 255) or SCREEN.get_at(col_left) == pygame.Color(0, 162, 232, 255):
current_time=time.time()
if not self.start:
self.start = True
self.start_time= current_time
elif self.start and not self.lap_completed and (current_time-self.start_time)>self.cooldown:
self.lap_completed = True
#Collision points
pygame.draw.circle(SCREEN, (0, 255, 255, 0), col_right, 4)
pygame.draw.circle(SCREEN, (0, 255, 255, 0), col_left, 4)
def rotate(self):
if self.direction == 1:
self.angle -= self.rotation
self.velocity.rotate_ip(self.rotation)
if self.direction == -1:
self.angle += self.rotation
self.velocity.rotate_ip(-self.rotation)
self.image = pygame.transform.rotozoom(self.orig_image, self.angle, 0.08)
self.rect = self.image.get_rect(center=self.rect.center)
#Radar lines
def radar(self, radar_angle):
length = 0
x = int(self.rect.center[0])
y = int(self.rect.center[1])
while not SCREEN.get_at((x, y)) == pygame.Color(135, 81, 48, 255) and length < 125:
length+=1
x = int(self.rect.center[0] + math.cos(math.radians(self.angle + radar_angle)) * length)
y = int(self.rect.center[1] - math.sin(math.radians(self.angle + radar_angle)) * length)
pygame.draw.line(SCREEN, (255, 255, 255), self.rect.center, (x, y), 1)
pygame.draw.circle(SCREEN, (239, 20, 20,0), (x, y), 3)
distance = int(math.sqrt((self.rect.center[0] - x) ** 2 + (self.rect.center[1] - y) ** 2))
self.radars.append([radar_angle, distance])
def data(self):
input = [0,0,0,0,0]
for i, radar in enumerate(self.radars):
input[i] = int(radar[1])
return input
def remove(i):
cars.pop(i)
ind.pop(i)
Neurnet.pop(i)
#Evaluation function
def eval_fitness(popul,config):
global cars,ind,Neurnet,fastest_lap
cars=[]
ind=[]
Neurnet=[]
for individual_id, individual in popul:
cars.append(pygame.sprite.GroupSingle(Car()))
ind.append(individual)
net= neat.nn.FeedForwardNetwork.create(individual,config)
Neurnet.append(net)
individual.fitness = 0
start_time= None
end_time=None
run= True
while run:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
SCREEN.blit(TRACK, (0, 0))
if len(cars)==0:
break
for i,car in enumerate(cars):
ind[i].fitness+=1
if not car.sprite.alive:
remove(i)
for i,car in enumerate(cars):
output= Neurnet[i].activate(car.sprite.data())
if output[0]>0.7:
car.sprite.direction=1
if output[1]<0.7:
car.sprite.direction=-1
if output[0] <= 0.7 and output[1] <= 0.7:
car.sprite.direction=0
if car.sprite.start and car.sprite.start_time is not None:
current_time= time.time()-car.sprite.start_time
else:
current_time=0
if car.sprite.lap_completed:
lap_time = current_time
if lap_time < fastest_lap:
fastest_lap = lap_time
run = False
break
#Update
for car in cars:
car.draw(SCREEN)
car.update()
font = pygame.font.Font('Roboto-Medium.ttf', 20)
text = font.render(f"Time: {current_time:.2f}", True, (40, 40, 0))
SCREEN.blit(text, (10, 10))
if fastest_lap == float('inf'):
ftext = font.render("Fastest Lap: --:--", True, (40, 40, 0))
else:
ftext = font.render(f"Fastest Lap: {fastest_lap:.2f}", True, (40, 40, 0))
SCREEN.blit(ftext, (10, 40))
pygame.display.update()
return max(ind, key=lambda x: x.fitness)
#Neural Network
def run(config_file):
global population
config= neat.config.Config(
neat.DefaultGenome,
neat.DefaultReproduction,
neat.DefaultSpeciesSet,
neat.DefaultStagnation,
config_file
)
population= neat.Population(config)
population.add_reporter(neat.StdOutReporter(True))
stats_reporter = neat.StatisticsReporter()
population.add_reporter(stats_reporter)
population.run(eval_fitness,75)
if __name__=='__main__':
local_directory= os.path.dirname(__file__)
configuration_path= os.path.join(local_directory,"config.txt")
run(configuration_path)
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