Added gReverseDirection control to Fire2012 examples.

2 files changed, 20 insertions, 2 deletions

diff --git a/examples/Fire2012/Fire2012.ino b/examples/Fire2012/Fire2012.ino
index 0929e2f2..e65982a8 100644
--- a/examples/Fire2012/Fire2012.ino
+++ b/examples/Fire2012/Fire2012.ino
@@ -8,6 +8,8 @@
 #define BRIGHTNESS  200
 #define FRAMES_PER_SECOND 60
 
+bool gReverseDirection = false;
+
 CRGB leds[NUM_LEDS];
 
 void setup() {
@@ -90,7 +92,14 @@ void Fire2012()
 
     // Step 4.  Map from heat cells to LED colors
     for( int j = 0; j < NUM_LEDS; j++) {
-        leds[j] = HeatColor( heat[j]);
+      CRGB color = HeatColor( heat[j]);
+      int pixelnumber;
+      if( gReverseDirection ) {
+        pixelnumber = (NUM_LEDS-1) - j;
+      } else {
+        pixelnumber = j;
+      }
+      leds[pixelnumber] = color;
     }
 }
 
diff --git a/examples/Fire2012WithPalette/Fire2012WithPalette.ino b/examples/Fire2012WithPalette/Fire2012WithPalette.ino
index 41b9a247..e65a87fb 100644
--- a/examples/Fire2012WithPalette/Fire2012WithPalette.ino
+++ b/examples/Fire2012WithPalette/Fire2012WithPalette.ino
@@ -8,6 +8,8 @@
 #define BRIGHTNESS  200
 #define FRAMES_PER_SECOND 60
 
+bool gReverseDirection = false;
+
 CRGB leds[NUM_LEDS];
 
 // Fire2012 with programmable Color Palette
@@ -149,7 +151,14 @@ void Fire2012WithPalette()
       // Scale the heat value from 0-255 down to 0-240
       // for best results with color palettes.
       byte colorindex = scale8( heat[j], 240);
-      leds[j] = ColorFromPalette( gPal, colorindex);
+      CRGB color = ColorFromPalette( gPal, colorindex);
+      int pixelnumber;
+      if( gReverseDirection ) {
+        pixelnumber = (NUM_LEDS-1) - j;
+      } else {
+        pixelnumber = j;
+      }
+      leds[pixelnumber] = color;
     }
 }