params look ok

main.py

@@ -31,7 +31,7 @@ class Car(pygame.sprite.Sprite):
 
         self.rect = self.image.get_rect()
         self.rect.center = (75, GY -50)
-        self.speed = 1.5
+        self.speed = 1
         self.heading = 0
         self.heading_change = 0
         self.vision_length = VISION_LENGTH # line liength
@@ -57,6 +57,7 @@ class Car(pygame.sprite.Sprite):
         self.probe_brain()
         self.run = True
 
+
     def update_sensors(self):
         center = self.rect.center
         vc = angle_to_vector(self.heading)
@@ -88,7 +89,7 @@ class Car(pygame.sprite.Sprite):
                     pygame.draw.circle(screen, (125,125,255), ip, 4, 2)
                     dist = int(distance(ip,self.rect.center))
                     self.probes[idx] = min(dist, self.probes[idx])
-                    if dist < 2 * self.speed or not self.speed :
+                    if dist < 1.2 * self.speed or self.speed < 0.01 :
                         self.run = False
                         print(f'Car {id(self)} crashed')
 
@@ -110,7 +111,11 @@ class Car(pygame.sprite.Sprite):
         self.rect = self.image.get_rect()
         self.rect.center = old_center
         self.update_position()
+        if self.speed < 0.01 :
+            self.run = False
+            print(f'Car {id(self)} crashed')
         print(
+            'id', id(self),
             'Speed', self.speed,
             'heading', self.heading,
             'throttle', self.throttle,
@@ -118,7 +123,7 @@ class Car(pygame.sprite.Sprite):
         )
 
         if self.speed : 
-            self.heading += self.heading_change * 6 / self.speed
+            self.heading += self.heading_change * 20 / self.speed
             self.heading = self.heading % 360
 
             self.speed += self.throttle #THROTTLE_POWER
@@ -142,7 +147,7 @@ class Car(pygame.sprite.Sprite):
 
 
 
-
+#https://medium.com/intel-student-ambassadors/demystifying-genetic-algorithms-to-enhance-neural-networks-cde902384b6e
 
 
 screen = pygame.display.set_mode((GX, GY), FLAGS)
@@ -161,12 +166,15 @@ for x in range(10):
     all_cars.add(car)
 
 clock = pygame.time.Clock()
-while True :
+running_cars = True
+while running_cars :
+    running_cars = False
     screen.fill(CELL_COLOR)
     all_cars.draw(screen)
     for c in all_cars :
         c.show_features()
         if c.run :
+            running_cars = True
             c.probe_lines_proximity(map_lines)
             c.probe_brain()
             c.update()
@@ -179,4 +187,8 @@ while True :
     # pygame.draw.circle(screen, (125,255,125), point, 4, 2)
 
     pygame.display.flip()
-    clock.tick(1)
+    clock.tick(24)
+
+while True :
+    pygame.display.flip()
+    clock.tick(24)