on ne fait pas apparaitre une voiture par dessus une autre

CarController.py

@@ -6,7 +6,7 @@ from varEdit import Ui_varEdit
 from PySide6.QtWidgets import QWidget, QLabel, QToolBox
 from PySide6.QtCore import Qt, Slot, Signal, QThread
 from PySide6.QtCharts import QChart, QSplineSeries, QLineSeries
-from math import ceil
+from math import ceil, dist
 
 class carInfo(QWidget):
     def __init__(self,parent):
@@ -100,6 +100,7 @@ class CarController:
         self.cars=[]
         self.flows=[]
         self.t=0
+        self.spawnFailed = 0
 
         self.infoWidget = None
 
@@ -151,6 +152,10 @@ class CarController:
         cars = self.getCarsOnEdge(edgeID)
         return filter(lambda c: c.laneId == laneID,cars)
 
+    def getCarsClose(self, car):
+        cars = self.getCarsOnEdge(car.getCurrentEdge().getID())
+        return filter(lambda c: dist(c.pos, car.pos) < car.minSpace, cars)
+
     def update(self):
         if self.map.net is None:
             return
@@ -160,7 +165,15 @@ class CarController:
 
         for flow in self.flows:
             if flow.shouldSpawn(self.t):
-                self.cars.append(flow.spawnCar())
+                carsClose = self.getCarsClose(flow.carModel)
+                try:
+                    next(carsClose)
+                except StopIteration:
+                    self.cars.append(flow.spawnCar())
+                else:
+                    self.spawnFailed += 1
+                    flow.addCar2Counter()
+                    print(f"nope, y as déjà une voiture ici : n°{self.spawnFailed}")
 
     def draw(self,painter):
         for ind,car in enumerate(self.cars):

Flow.py

@@ -13,6 +13,7 @@ class Flow:
         self.adjVPH = self.vph + randint(0,self.randomVal)
         self.carModel = Car("model",self.route,start,parentMap,parentController,None)
         self.carsSpawned = 0
+        self.cc = parentController
 
     def prepareRoute(self):
         self.carModel.prepareRoute()
@@ -27,3 +28,6 @@ class Flow:
         self.carsSpawned += 1
         self.adjVPH = self.vph + randint(0,self.randomVal)
         return newCar
+
+    def addCar2Counter(self):
+        self.carsSpawned += 1