add new animation RotatingRainbowBeamerBlack

new animation that disables the lights on the projector side of the room
mostly copied from the kitchenlight effect by tessak9

animation.py

@@ -239,6 +239,29 @@ class RotatingRainbowKitchenWhite(Animation):
     def name(self):
         return "kitchenlight"
 
+class RotatingRainbowBeamerBlack(Animation):
+    def __init__(self, looptime=50.0):
+        super(RotatingRainbowBeamerBlack, self).__init__()
+        self.looptime = looptime
+        pass
+
+    def update(self, index, count):
+        """
+        Same as RotatingRainbow but the lights on the projector side are mapped to black
+        """
+        if (index in [2, 4, 5, 6]):
+            rgb = (0, 0, 0)
+        else:
+            hue = (time() / self.looptime + (index + 0.0) / count) % 1.0
+            rgb = hsv_to_rgb(hue, 1, 1)
+        return rgb
+
+    def __str__(self):
+        return f"{type(self).__name__}"
+
+    def name(self):
+        return "beamermode"
+
 
 class Chase(Steady):
     def __init__(self, color, looptime=1.0):
@@ -306,4 +329,4 @@ def hsv_to_rgb(h, s, v):
     return [int(r * 255), int(g * 255), int(b * 255)]
 
 def rgb_to_hsv(r, g, b):
-    return colorsys.rgb_to_hsv(r/255,g/255,b/255)
+    return colorsys.rgb_to_hsv(r/255,g/255,b/255)