Set-NanoLeaf: Adding -BrightnessIncrement (Fixes #34) and Fixing -Sat…

…urationIncrement (Fixes #35)

Functions/NanoLeaf/Set-NanoLeaf.ps1

@@ -84,7 +84,7 @@
     # Increments the saturation of the NanoLeaf light color.
     [ComponentModel.DefaultBindingProperty('sat')]
     [ComponentModel.AmbientValue({
-        [PSCustomObject]@{increment=[int][Math]::Round($_)}
+        [PSCustomObject]@{increment=[int][Math]::Round($_ * 100)}
     })]
     [int]
     $SaturationIncrement,
@@ -97,6 +97,17 @@
     [double]
     $Brightness,
 
+    # The brightness increment.
+    # If no other parameters are provided, adjusts universal brightness.    
+    [Parameter(ValueFromPipelineByPropertyName)]
+    [ComponentModel.DefaultBindingProperty('brightness')]
+    [ComponentModel.AmbientValue({
+        [PSCustomObject]@{increment=[int][Math]::Round($_ * 100)}
+    })]
+    [ValidateRange(-1,1)]
+    [double]
+    $BrightnessIncrement,
+
     # If set, will change all panels on the nanoleaf to a given color temperature.
     [Parameter(ValueFromPipelineByPropertyName)]
     [ComponentModel.DefaultBindingProperty('ct')]
@@ -336,8 +347,8 @@
             } else {
                 $sendData.brightness.duration = 0
             }
-        } 
-
+        }
+        
         if ($on) {
             $sendData.on = @{value=$true}
         }