mirror of
https://github.com/hyperion-project/hyperion.ng.git
synced 2023-10-10 13:36:59 +02:00
3ba86a1253
Small change to allow a random start hue for mood blobs - adds a bit of spice instead of starting at the same color every time. Former-commit-id: 2b5a0250b95ac5632661d3b8fce3c1567f5daaa3
120 lines
4.9 KiB
Python
120 lines
4.9 KiB
Python
import hyperion
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import time
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import colorsys
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import math
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from random import random
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# Get the parameters
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rotationTime = float(hyperion.args.get('rotationTime', 20.0))
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color = hyperion.args.get('color', (0,0,255))
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colorRandom = bool(hyperion.args.get('colorRandom', False))
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hueChange = float(hyperion.args.get('hueChange', 60.0))
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blobs = int(hyperion.args.get('blobs', 5))
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reverse = bool(hyperion.args.get('reverse', False))
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baseColorChange = bool(hyperion.args.get('baseChange', False))
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baseColorRangeLeft = float(hyperion.args.get('baseColorRangeLeft',0.0)) # Degree
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baseColorRangeRight = float(hyperion.args.get('baseColorRangeRight',360.0)) # Degree
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baseColorChangeRate = float(hyperion.args.get('baseColorChangeRate',10.0)) # Seconds for one Degree
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# switch baseColor change off if left and right are too close together to see a difference in color
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if (baseColorRangeRight > baseColorRangeLeft and (baseColorRangeRight - baseColorRangeLeft) < 10) or \
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(baseColorRangeLeft > baseColorRangeRight and ((baseColorRangeRight + 360) - baseColorRangeLeft) < 10):
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baseColorChange = False
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# 360 -> 1
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fullColorWheelAvailable = (baseColorRangeRight % 360) == (baseColorRangeLeft % 360)
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baseColorChangeIncreaseValue = 1.0 / 360.0 # 1 degree
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hueChange /= 360.0
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baseColorRangeLeft = (baseColorRangeLeft / 360.0)
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baseColorRangeRight = (baseColorRangeRight / 360.0)
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# Check parameters
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rotationTime = max(0.1, rotationTime)
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hueChange = max(0.0, min(abs(hueChange), .5))
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blobs = max(1, blobs)
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baseColorChangeRate = max(0, baseColorChangeRate) # > 0
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# Calculate the color data
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baseHsv = colorsys.rgb_to_hsv(color[0]/255.0, color[1]/255.0, color[2]/255.0)
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if colorRandom:
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baseHsv = (random(), baseHsv[1], baseHsv[2])
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colorData = bytearray()
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for i in range(hyperion.ledCount):
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hue = (baseHsv[0] + hueChange * math.sin(2*math.pi * i / hyperion.ledCount)) % 1.0
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rgb = colorsys.hsv_to_rgb(hue, baseHsv[1], baseHsv[2])
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colorData += bytearray((int(255*rgb[0]), int(255*rgb[1]), int(255*rgb[2])))
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# Calculate the increments
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sleepTime = 0.1
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amplitudePhaseIncrement = blobs * math.pi * sleepTime / rotationTime
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colorDataIncrement = 3
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baseColorChangeRate /= sleepTime
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# Switch direction if needed
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if reverse:
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amplitudePhaseIncrement = -amplitudePhaseIncrement
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colorDataIncrement = -colorDataIncrement
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# create a Array for the colors
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colors = bytearray(hyperion.ledCount * (0,0,0))
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# Start the write data loop
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amplitudePhase = 0.0
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rotateColors = False
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baseColorChangeStepCount = 0
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baseHSVValue = baseHsv[0]
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numberOfRotates = 0
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while not hyperion.abort():
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# move the basecolor
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if baseColorChange:
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# every baseColorChangeRate seconds
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if baseColorChangeStepCount >= baseColorChangeRate:
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baseColorChangeStepCount = 0
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# cyclic increment when the full colorwheel is available, move up and down otherwise
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if fullColorWheelAvailable:
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baseHSVValue = (baseHSVValue + baseColorChangeIncreaseValue) % baseColorRangeRight
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else:
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# switch increment direction if baseHSV <= left or baseHSV >= right
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if baseColorChangeIncreaseValue < 0 and baseHSVValue > baseColorRangeLeft and (baseHSVValue + baseColorChangeIncreaseValue) <= baseColorRangeLeft:
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baseColorChangeIncreaseValue = abs(baseColorChangeIncreaseValue)
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elif baseColorChangeIncreaseValue > 0 and baseHSVValue < baseColorRangeRight and (baseHSVValue + baseColorChangeIncreaseValue) >= baseColorRangeRight :
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baseColorChangeIncreaseValue = -abs(baseColorChangeIncreaseValue)
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baseHSVValue = (baseHSVValue + baseColorChangeIncreaseValue) % 1.0
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# update color values
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colorData = bytearray()
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for i in range(hyperion.ledCount):
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hue = (baseHSVValue + hueChange * math.sin(2*math.pi * i / hyperion.ledCount)) % 1.0
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rgb = colorsys.hsv_to_rgb(hue, baseHsv[1], baseHsv[2])
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colorData += bytearray((int(255*rgb[0]), int(255*rgb[1]), int(255*rgb[2])))
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# set correct rotation after reinitialisation of the array
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colorData = colorData[-colorDataIncrement*numberOfRotates:] + colorData[:-colorDataIncrement*numberOfRotates]
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baseColorChangeStepCount += 1
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# Calculate new colors
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for i in range(hyperion.ledCount):
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amplitude = max(0.0, math.sin(-amplitudePhase + 2*math.pi * blobs * i / hyperion.ledCount))
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colors[3*i+0] = int(colorData[3*i+0] * amplitude)
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colors[3*i+1] = int(colorData[3*i+1] * amplitude)
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colors[3*i+2] = int(colorData[3*i+2] * amplitude)
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# set colors
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hyperion.setColor(colors)
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# increment the phase
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amplitudePhase = (amplitudePhase + amplitudePhaseIncrement) % (2*math.pi)
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if rotateColors:
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colorData = colorData[-colorDataIncrement:] + colorData[:-colorDataIncrement]
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numberOfRotates = (numberOfRotates + 1) % hyperion.ledCount
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rotateColors = not rotateColors
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# sleep for a while
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time.sleep(sleepTime)
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