chore(Structure): remove var usage

A number of files contained `var` declarations for variables and this
is something that is being phased out of the code guidelines for the
project.

This commit removes existing `var` declarations.

Author: thestonefox

Assets/VRTK/Source/SDK/Base/SDK_BaseBoundaries.cs

@@ -56,7 +56,7 @@ public abstract class SDK_BaseBoundaries : SDK_Base
 
         protected Transform GetSDKManagerPlayArea()
         {
-            var sdkManager = VRTK_SDKManager.instance;
+            VRTK_SDKManager sdkManager = VRTK_SDKManager.instance;
             if (sdkManager != null && sdkManager.loadedSetup.actualBoundaries != null)
             {
                 cachedPlayArea = (sdkManager.loadedSetup.actualBoundaries ? sdkManager.loadedSetup.actualBoundaries.transform : null);

Assets/VRTK/Source/SDK/SteamVR/SDK_SteamVRBoundaries.cs

@@ -47,7 +47,7 @@ public override Transform GetPlayArea()
             cachedPlayArea = GetSDKManagerPlayArea();
             if (cachedPlayArea == null)
             {
-                var steamVRPlayArea = VRTK_SharedMethods.FindEvenInactiveComponent<SteamVR_PlayArea>();
+                SteamVR_PlayArea steamVRPlayArea = VRTK_SharedMethods.FindEvenInactiveComponent<SteamVR_PlayArea>();
                 if (steamVRPlayArea != null)
                 {
                     cachedSteamVRPlayArea = steamVRPlayArea;

Assets/VRTK/Source/Scripts/Interactions/Interactables/VRTK_InteractControllerAppearance.cs

@@ -191,7 +191,7 @@ public virtual void ToggleControllerOnGrab(bool showController, GameObject grabb
         {
             if (hideControllerOnGrab)
             {
-                var objScript = (ignoredObject != null ? ignoredObject.GetComponentInParent<VRTK_InteractableObject>() : null);
+                VRTK_InteractableObject objScript = (ignoredObject != null ? ignoredObject.GetComponentInParent<VRTK_InteractableObject>() : null);
 
                 //if attempting to show the controller but it's touched and the touch should hide the controller
                 if (showController && !touchControllerShow && objScript && objScript.IsTouched())
@@ -222,7 +222,7 @@ public virtual void ToggleControllerOnUse(bool showController, GameObject usingO
         {
             if (hideControllerOnUse)
             {
-                var objScript = (ignoredObject != null ? ignoredObject.GetComponentInParent<VRTK_InteractableObject>() : null);
+                VRTK_InteractableObject objScript = (ignoredObject != null ? ignoredObject.GetComponentInParent<VRTK_InteractableObject>() : null);
 
                 //if attempting to show the controller but it's grabbed and the grab should hide the controller
                 if (showController && ((!grabControllerShow && objScript && objScript.IsGrabbed()) || (!touchControllerShow && objScript && objScript.IsTouched())))

Assets/VRTK/Source/Scripts/Internal/VRTK_CurveGenerator.cs

@@ -334,7 +334,7 @@ protected virtual void SetObjects(Material material, Color color)
             float stepSize = frequency * 1;
             if (Loop || stepSize == 1)
             {
-                stepSize = VRTK_SharedMethods.DividerToMultiplier(stepSize );
+                stepSize = VRTK_SharedMethods.DividerToMultiplier(stepSize);
             }
             else
             {
@@ -392,14 +392,14 @@ protected virtual void SetItemPosition(int currentIndex, Vector3 setPosition, Ma
 
         protected virtual void SetItemMaterial(GameObject item, Material material, Color color)
         {
-            foreach (Renderer mr in item.GetComponentsInChildren<Renderer>())
+            Renderer[] itemRenderers = item.GetComponentsInChildren<Renderer>();
+            for (int i = 0; i < itemRenderers.Length; i++)
             {
                 if (material != null)
                 {
-                    mr.material = material;
+                    itemRenderers[i].material = material;
                 }
-
-                SetMaterial(mr.material, color);
+                SetMaterial(itemRenderers[i].material, color);
             }
         }