Onto lesson 2

Assets/Scripts/UnitMover.cs

@@ -1,4 +1,5 @@
 using UnityEngine;
+using UnityEngine.UIElements;
 
 public class UnitMover : MonoBehaviour
 {
@@ -13,4 +14,41 @@ public class UnitMover : MonoBehaviour
     {
         
     }
+    //calculates a unit formation around a given location
+    public static Vector3[] GetUnitGroupDestination(Vector3 moveToPos, int numUnits, float unitGap)
+    {
+        //vector3 array for final destinations
+        Vector3[] destinations = new Vector3[numUnits];
+        //calculate the rows and columns
+        int rows = Mathf.RoundToInt(Mathf.Sqrt(numUnits));
+        int cols = Mathf.CeilToInt((float)numUnits / rows);
+        //we need to know the current row and column we're calculating
+        int curRow = 0;
+        int curCol = 0;
+        float width = ((float)rows - 1) * unitGap;
+        float length = ((float)cols - 1) * unitGap;
+        for(int x = 0; x < numUnits; x++)
+        {
+            destinations[x] = moveToPos = (new Vector3(curRow, 0, curCol) * unitGap) - new Vector3(length / 2, 0, width / 2);
+            curCol++;
+            if(curCol == rows)
+            {
+                curCol = 0;
+                curRow++;
+            }
+        }
+        return destinations;
+    }
+    public static Vector3[] GetUnitGroupDestinationsAroundResource(Vector3 resourcePos, int unitsNum)
+    {
+        Vector3[] destinations = new Vector3[unitsNum];
+        float unitDistanceGap = 160.0f / (float)unitsNum;
+        for(int x = 0; x < unitsNum; x++)
+        {
+            float angle = unitDistanceGap * x;
+            Vector3 dir = new Vector3(Mathf.Sin(angle * Mathf.Deg2Rad), 0, Mathf.Cos(angle * Mathf.Deg2Rad));
+            destinations[x] = resourcePos + dir;
+        }
+        return destinations;
+    }
 }