151 lines
4.5 KiB
Python
151 lines
4.5 KiB
Python
import hyperion, time, random
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# Convert x/y (0.0 - 1.0) point to proper int values based on Hyperion image width/height
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# Or get a random value
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# @param bool rand Randomize point if true
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# @param float x Point at the x axis between 0.0-1.0
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# @param float y Point at the y axis between 0.0-1.0
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# @return Tuple with (x,y) as Integer
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def getPoint(rand = True ,x = 0.5, y = 0.5):
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if rand:
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x = random.uniform(0.0, 1.0)
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y = random.uniform(0.0, 1.0)
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x = int(round(x*hyperion.imageWidth()))
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y = int(round(y*hyperion.imageHeight()))
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return (x,y)
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# Returns the required sleep time for a interval function based on rotationtime and steps
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# Adapts also to led device latchTime if required
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# @param float rt RotationTime in seconds (time for one ration, based on steps)
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# @param int steps The steps it should calc the rotation time
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# @return Tuple with (x,y) as Integer
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def getSTime(rt, steps = 360):
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rt = float(rt)
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sleepTime = max(0.1, rt) / steps
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# adapt sleeptime to hardware
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minStepTime= float(hyperion.latchTime)/1000.0
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if minStepTime == 0: minStepTime = 0.001
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if minStepTime > sleepTime:
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sleepTime = minStepTime
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return sleepTime
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# Creates a PRGBA bytearray gradient based on provided colors (RGB or RGBA (0-255, 0-1 for alpha)), the color stop positions are calculated based on color count. Requires at least 2 colors!
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# @param tuple cc Colors in a tuple of RGB or RGBA
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# @param bool closeCircle If True use last color as first color
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# @return bytearray A bytearray of RGBA for hyperion.image*Gradient functions
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def buildGradient(cc, closeCircle = True):
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if len(cc) > 1:
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withAlpha = False
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posfac = int(255/len(cc))
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ba = bytearray()
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pos = 0
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if len(cc[0]) == 4:
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withAlpha = True
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for c in cc:
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if withAlpha:
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alpha = int(c[3]*255)
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else:
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alpha = 255
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pos += posfac
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ba += bytearray([pos,c[0],c[1],c[2],alpha])
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if closeCircle:
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# last color as first color
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lC = cc[-1]
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if withAlpha:
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alpha = int(lC[3]*255)
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else:
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alpha = 255
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ba += bytearray([0,lC[0],lC[1],lC[2],alpha])
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return ba
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return bytearray()
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def rotateAngle( increment = 1):
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global angle
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angle += increment
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if angle > 360: angle=0
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if angle < 0: angle=360
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return angle
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def rotateAngle2( increment = 1):
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global angle2
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angle2 += increment
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if angle2 > 360: angle2=0
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if angle2 < 0: angle2=360
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return angle2
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# set minimum image size - must be done asap
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hyperion.imageMinSize(64,64)
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iW = hyperion.imageWidth()
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iH = hyperion.imageHeight()
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# Get the parameters
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rotationTime = float(hyperion.args.get('rotation-time', 10.0))
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reverse = bool(hyperion.args.get('reverse', False))
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centerX = float(hyperion.args.get('center_x', 0.5))
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centerY = float(hyperion.args.get('center_y', 0.5))
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randomCenter = bool(hyperion.args.get('random-center', False))
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custColors = hyperion.args.get('custom-colors', ((255,0,0),(0,255,0),(0,0,255)))
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enableSecond = bool(hyperion.args.get('enable-second', False))
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#rotationTime2 = float(hyperion.args.get('rotation-time2', 5.0))
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reverse2 = bool(hyperion.args.get('reverse2', True))
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centerX2 = float(hyperion.args.get('center_x2', 0.5))
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centerY2 = float(hyperion.args.get('center_y2', 0.5))
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randomCenter2 = bool(hyperion.args.get('random-center2', False))
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custColors2 = hyperion.args.get('custom-colors2', ((255,255,255,0),(0,255,255,0),(255,255,255,1),(0,255,255,0),(0,255,255,0),(0,255,255,0),(255,255,255,1),(0,255,255,0),(0,255,255,0),(0,255,255,0),(255,255,255,1),(0,255,255,0)))
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# process parameters
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pointS1 = getPoint(randomCenter ,centerX, centerY)
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pointS2 = getPoint(randomCenter2 ,centerX2, centerY2)
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sleepTime = getSTime(rotationTime)
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#sleepTime2 = getSTime(rotationTime2)
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angle = 0
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angle2 = 0
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S2 = False
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increment = -1 if reverse else 1
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increment2 = -1 if reverse2 else 1
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if len(custColors) > 1:
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baS1 = buildGradient(custColors)
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else:
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baS1 = bytearray([
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0 ,255,0 ,0, 255,
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25 ,255,230,0, 255,
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63 ,255,255,0, 255,
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100,0 ,255,0, 255,
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127,0 ,255,200, 255,
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159,0 ,255,255, 255,
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191,0 ,0 ,255, 255,
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224,255,0 ,255, 255,
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255,255,0 ,127, 255,
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])
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# check if the second swirl should be build
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if enableSecond and len(custColors2) > 1:
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S2 = True
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baS2 = buildGradient(custColors2)
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# effect loop
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while not hyperion.abort():
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angle += increment
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if angle > 360: angle=0
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if angle < 0: angle=360
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angle2 += increment2
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if angle2 > 360: angle2=0
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if angle2 < 0: angle2=360
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hyperion.imageConicalGradient(pointS1[0], pointS1[1], angle, baS1)
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if S2:
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hyperion.imageConicalGradient(pointS2[0], pointS2[1], angle2, baS2)
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hyperion.imageShow()
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time.sleep(sleepTime)
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