Updated plant behavior

V1- Don't like how the variables are interacting. Will be rewriting plant behavior.

Assets/GameAssets/Scripts/Core.cs

@@ -6,6 +6,9 @@ public class Core : MonoBehaviour
     [SerializeField] public NutrientController nutrientCont;
     [SerializeField] public PlantController plantCont;
     [SerializeField] public Terrain ground;
+    [SerializeField, Range(0, 10)] public float speedOfStep;
+
+    float timeSoFar;
 
     public static Core instance;
 
@@ -16,13 +19,19 @@ public class Core : MonoBehaviour
 
     // Start is called once before the first execution of Update after the MonoBehaviour is created
     void Start()
-    {   
-
+    {
+        timeSoFar = 0; 
     }
 
     // Update is called once per frame
     void Update()
     {
-        
+        timeSoFar += Time.deltaTime; 
+        if(timeSoFar >= speedOfStep)
+        {
+            plantCont.Step(timeSoFar);
+            nutrientCont.Step(timeSoFar);
+            timeSoFar = 0;
+        }
     }
 }