Use for loops instead of foreach loops to minimize GC

Source/Restock/ModuleRestockHeatEffects.cs

@@ -150,10 +150,10 @@ namespace Restock
                 _propertyBlock.SetColor(_shaderBlackbodyID, Color.black);
 
             }
-            
-            foreach (var r in renderers)
+
+            for (var i = 0; i < renderers.Count; i++)
             {
-                r.SetPropertyBlock(_propertyBlock);
+                renderers[i].SetPropertyBlock(_propertyBlock);
             }
         }
     }

Source/Restock/ModuleRestockISRUAnimation.cs

@@ -312,11 +312,11 @@ namespace Restock
                 {
                     return false;
                 }
-            }   
-            
-            foreach (var m in _modules)
+            }
+
+            for (var i = 0; i < _modules.Count; i++)
             {
-                if (m.ModuleIsActive())
+                if (_modules[i].ModuleIsActive())
                 {
                     return true;
                 }

Source/Restock/ModuleRestockLinkedMesh.cs

@@ -100,10 +100,12 @@ namespace Restock
             texScale[pipeStretchIndex] = stretch;
             texOffset[pipeStretchIndex] = (1 - stretch) / 2;
 
-            foreach (var material in pipeMaterials)
+            for (var i = 0; i < pipeMaterials.Length; i++)
             {
-                foreach (var id in pipeMaterialIDs)
+                var material = pipeMaterials[i];
+                for (var j = 0; j < pipeMaterialIDs.Length; j++)
                 {
+                    var id = pipeMaterialIDs[j];
                     material.SetTextureScale(id, texScale);
                     material.SetTextureOffset(id, texOffset);
                 }