extremely struggling to make them queue at lights

Signed-off-by: casualhonk <casualhonk@Tomoe.nya>

main.py

@@ -52,14 +52,25 @@ class Vehicle:
         self.speed = speed
         self.wait = 0
 
-    def update(self, lights):
-        #check if light ahead
+    def update(self, lights, vehicles):
+        #check if car/light ahead
+
+        for other in vehicles:
+            if other is self:
+                continue
+
+            if abs(self.x - other.x) < 5:
+                if other.y > self.y:
+                    dist = other.y - self.y
+                    if dist < 60:
+                        return # too close back up
+
 
         for light in lights:
-            if abs(self.x - light.x) < 10 and self.y < light.y < self.y + 40:
-                if light.current != "green":
-                    self.wait += 1
-                    return
+            if abs(self.x - light.x) < 10:
+                if self.y < light.y < self.y + 40:
+                    if light.current != "green":
+                        return
 
         self.y += self.speed
 
@@ -108,7 +119,7 @@ while running:
         if event.type == pygame.MOUSEBUTTONDOWN:
             mx, my = pygame.mouse.get_pos()
 
-            if placing_mode == "remove" and event.button == 3:
+            if placing_mode == "remove" and event.button == 1:
 
                 DEL_RADIUS = 25
 
@@ -163,11 +174,16 @@ while running:
         light.update()
         light.draw(screen)
 
+    vehicles.sort(key=lambda v: v.y)
+
     #update vehicles
     for v in vehicles:
-        v.update(lights)
+        v.update(lights, vehicles)
         v.draw(screen)
 
+    #remove dem
+    vehicles = [v for v in vehicles if v.y < HEIGHT + 50]
+
     #draw intersections
     for x, y in intersections:
          pygame.draw.rect(screen, WHITE, (x - 20, y - 20, 40, 40), 2)