Rainbow effects added

Former-commit-id: deb3051bfb4209671680ccd1e5fb6fc07a69346c

effects/rainbow-mood.py

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+import hyperion
+import time
+import colorsys
+
+# Get the rotation time
+rotationTime = hyperion.args.get('rotation-time', 3.0)
+
+# Get the brightness
+brightness = hyperion.args.get('brightness', 1.0)
+
+# Get the saturation
+saturation = hyperion.args.get('saturation', 1.0)
+
+# Get the direction
+reverse = hyperion.args.get('reverse', False)
+
+# Calculate the sleep time and hue increment
+sleepTime = 0.1
+hueIncrement = sleepTime / rotationTime
+
+# Switch direction if needed
+if reverse:
+	increment = -increment
+
+# Start the write data loop
+hue = 0.0
+while not hyperion.abort():
+	rgb = colorsys.hsv_to_rgb(hue, saturation, brightness)
+	hyperion.setColor(int(255*rgb[0]), int(255*rgb[1]), int(255*rgb[2]))
+	hue = (hue + hueIncrement) % 1.0
+	time.sleep(sleepTime)

effects/rainbow-swirl.py

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+import hyperion
+import time
+import colorsys
+
+# Get the rotation time
+rotationTime = hyperion.args.get('rotation-time', 3.0)
+
+# Get the brightness
+brightness = hyperion.args.get('brightness', 1.0)
+
+# Get the saturation
+saturation = hyperion.args.get('saturation', 1.0)
+
+# Get the direction
+reverse = hyperion.args.get('reverse', False)
+
+# Initialize the led data
+ledData = bytearray()
+for i in range(hyperion.ledCount):
+	hue = float(i)/hyperion.ledCount
+	rgb = colorsys.hsv_to_rgb(hue, saturation, brightness)
+	ledData += bytearray((int(255*rgb[0]), int(255*rgb[1]), int(255*rgb[2])))
+
+# Calculate the sleep time and rotation increment
+increment = 3
+sleepTime = rotationTime / hyperion.ledCount
+while sleepTime < 0.05:
+	increment *= 2
+	sleepTime *= 2
+increment %= hyperion.ledCount
+
+# Switch direction if needed
+if reverse:
+	increment = -increment
+
+# Start the write data loop
+while not hyperion.abort():
+	hyperion.setColor(ledData)
+	ledData = ledData[-increment:] + ledData[:-increment]
+	time.sleep(sleepTime)