Add configurable travel times by vehicle type

@0x1eo can u check this pls

main/src/main/java/sd/config/SimulationConfig.java

@@ -227,6 +227,32 @@ public class SimulationConfig {
         return Double.parseDouble(properties.getProperty("vehicle.crossing.time.heavy", "4.0"));
     }
 
+    /**
+     * Gets the base travel time between intersections for light vehicles.
+     * @return The base travel time in seconds.
+     */
+    public double getBaseTravelTime() {
+        return Double.parseDouble(properties.getProperty("vehicle.travel.time.base", "8.0"));
+    }
+
+    /**
+     * Gets the travel time multiplier for bike vehicles.
+     * Bike travel time = base time × this multiplier.
+     * @return The multiplier for bike travel time.
+     */
+    public double getBikeTravelTimeMultiplier() {
+        return Double.parseDouble(properties.getProperty("vehicle.travel.time.bike.multiplier", "0.5"));
+    }
+
+    /**
+     * Gets the travel time multiplier for heavy vehicles.
+     * Heavy vehicle travel time = base time × this multiplier.
+     * @return The multiplier for heavy vehicle travel time.
+     */
+    public double getHeavyTravelTimeMultiplier() {
+        return Double.parseDouble(properties.getProperty("vehicle.travel.time.heavy.multiplier", "2.0"));
+    }
+
     // --- Statistics ---
 
     /**

main/src/main/java/sd/engine/SimulationEngine.java

@@ -81,6 +81,26 @@ public class SimulationEngine {
         this.currentTime = 0.0;
         this.vehicleCounter = 0;
     }
+
+    /**
+     * Calculates the travel time between intersections based on vehicle type.
+     *
+     * @param vehicleType The type of the vehicle.
+     * @return The travel time in seconds.
+     */
+    private double calculateTravelTime(VehicleType vehicleType) {
+    double baseTime = config.getBaseTravelTime();
+    
+    switch (vehicleType) {
+        case BIKE:
+            return baseTime * config.getBikeTravelTimeMultiplier();
+        case HEAVY:
+            return baseTime * config.getHeavyTravelTimeMultiplier();
+        case LIGHT:
+        default:
+            return baseTime;
+    }
+}
     
     /**
      * Initializes the simulation. This involves:
@@ -302,8 +322,8 @@ public class SimulationEngine {
         // Schedule arrival at first intersection
         String firstIntersection = vehicle.getCurrentDestination();
         if (firstIntersection != null && !firstIntersection.equals("S")) {
-            // Assume minimal travel time to first intersection (e.g., 1-3 seconds)
-            double arrivalTime = currentTime + 1.0 + Math.random() * 2.0;
+            double travelTime = calculateTravelTime(vehicle.getType());
+            double arrivalTime = currentTime + travelTime;
             Event arrivalEvent = new Event(arrivalTime, EventType.VEHICLE_ARRIVAL, vehicle, firstIntersection);
             eventQueue.offer(arrivalEvent);
         }
@@ -469,8 +489,8 @@ public class SimulationEngine {
         String nextDest = vehicle.getCurrentDestination();
         if (nextDest != null && !nextDest.equals("S")) {
             // Route to the *next* intersection
-            // Assume 5-10 seconds travel time between intersections
-            double travelTime = 5.0 + Math.random() * 5.0; 
+            // Travel time varies by vehicle type: tmoto = 0.5 × tcarro, tcaminhão = 4 × tmoto
+            double travelTime = calculateTravelTime(vehicle.getType());
             double arrivalTime = currentTime + travelTime;
             Event arrivalEvent = new Event(arrivalTime, EventType.VEHICLE_ARRIVAL, vehicle, nextDest);
             eventQueue.offer(arrivalEvent);

main/src/main/resources/simulation.properties

@@ -103,10 +103,18 @@ vehicle.probability.light=0.6
 vehicle.probability.heavy=0.2
 
 # Average crossing times (in seconds)
-vehicle.crossing.time.bike=1.5
+vehicle.crossing.time.bike=1.0
 vehicle.crossing.time.light=2.0
 vehicle.crossing.time.heavy=4.0
 
+# Travel times between intersections (in seconds)
+# Base time for light vehicles (cars)
+vehicle.travel.time.base=8.0
+# Bike travel time = 0.5 × car travel time
+vehicle.travel.time.bike.multiplier=0.5
+# Heavy vehicle travel time = 4 × bike travel time
+vehicle.travel.time.heavy.multiplier=2.0
+
 # === STATISTICS ===
 
 # Interval between dashboard updates (seconds)