Fixed method names

Assets/Scripts/CollectorUpgrade.cs

@@ -11,7 +11,7 @@ public class CollectorUpgrade : Upgrade
 
         UpgradeTargets target = UpgradeTargets.collector;
         City city = gameObject.GetComponent<City>();
-        float currentLevel = city.GetLevel(target);
+        int currentLevel = city.GetLevel(target);
         city.UseResources(GetPrices(currentLevel));
         city.AddCollector();
     }

Assets/Scripts/PopulationUpgrade.cs

@@ -16,7 +16,7 @@ public class PopulationUpgrade : Upgrade
         
     }
 
-    public void upgrade()
+    public void UpgradePopulation()
     {
         UpgradeTargets target = UpgradeTargets.population;
         City city = gameObject.GetComponent<City>();

Assets/Scripts/ResourceCapacityUpgrade.cs

@@ -16,7 +16,7 @@ public class ResourceCapacityUpgrade : Upgrade
         
     }
 
-    public void upgrade()
+    public void UpgradeCapacity()
     {
         UpgradeTargets target = UpgradeTargets.capacity;
         City city = gameObject.GetComponent<City>();

Assets/Scripts/ResourceEfficiencyUpgrade.cs

@@ -16,11 +16,11 @@ public class ResourceEfficiencyUpgrade : Upgrade
         
     }
 
-    public void upgrade()
+    public void UpgradeEfficiency()
     {
         City city = gameObject.GetComponent<City>();
-        increaseEfficiencyLevel();
-        city.UseResources(GetPrices(getEfficiencyLevel() * getEfficiencyLevel()));
-        Debug.Log("Efficienfy upgraded to: " + getEfficiencyLevel());
+        IncreaseEfficiencyLevel();
+        city.UseResources(GetPrices(GetEfficiencyLevel() * GetEfficiencyLevel()));
+        Debug.Log("Efficienfy upgraded to: " + GetEfficiencyLevel());
     }
 }

Assets/Scripts/RoadUpgrade.cs

@@ -16,7 +16,7 @@ public class RoadUpgrade : Upgrade
         
     }
 
-    public void upgrade()
+    public void UpgradeRoad()
     {
         UpgradeTargets target = UpgradeTargets.speed;
         Road road = gameObject.GetComponent<Road>();

Assets/Scripts/Upgrade.cs

@@ -25,17 +25,17 @@ public abstract class Upgrade : MonoBehaviour
         
     }
 
-    public float getEfficiencyLevel()
+    public float GetEfficiencyLevel()
     {
         return efficiencyLevel;
     }
 
-    public void increaseEfficiencyLevel()
+    public void IncreaseEfficiencyLevel()
     {
         efficiencyLevel++;
     }
 
-    public float getEfficiency()
+    public float GetEfficiency()
     {
         switch (efficiencyLevel)
         {
@@ -63,7 +63,7 @@ public abstract class Upgrade : MonoBehaviour
         List<float> prices = new List<float>();
         foreach(KeyValuePair<Resources, int> key in resources)
         {
-            prices.Add(key.Value * modifier * 50 * getEfficiency());
+            prices.Add(key.Value * modifier * 50 * GetEfficiency());
         }
 
         return prices;