set cut_paste_input [stack 0]
version 9.0 v8
BackdropNode {
 inputs 0
 name BackdropNode7
 tile_color 0x79b0b0ff
 label "effet optic\n"
 note_font_size 42
 selected true
 xpos 276
 ypos -851
 bdwidth 808
 bdheight 691
}
Group {
 inputs 0
 name ExpressionWaveGenerator
 help "Allows the easy creation of a variety of Waveform Expressions for use in manipulating knob values."
 selected true
 xpos 615
 ypos -450
 addUserKnob {20 main l Main}
 addUserKnob {26 unnamed_1 l "" +STARTLINE T " "}
 addUserKnob {68 type l "Wave Type" t "Controls what type of wave to generate." M {Random Noise Sine Triangle Square Sawtooth/Sawtooth "Sawtooth/Sawtooth (Parabolic)" "Sawtooth/Sawtooth (Parabolic reversed)" "Sawtooth/Sawtooth (Exponential)" Bounce "" "" "" "" ""}}
 type Sine
 addUserKnob {7 minVal l "Min Value" t "Minimum value you want the wave to reach." R 0 10}
 minVal -3
 addUserKnob {7 maxVal l "Max Value" t "Maximum value you want the wave to reach." -STARTLINE R 0 10}
 maxVal 3
 addUserKnob {7 waveLength l WaveLength t "Controls the frequency or cycle length of the wave. The number of frames before the pattern repeats." R 0 50}
 waveLength 12
 addUserKnob {7 offset l Offset t "Offsets the frame value to allow control of values at a certain frame" R 0 10}
 offset -3
 addUserKnob {26 unnamed l "" +STARTLINE T " "}
 addUserKnob {22 expButton l "Generate Expression" T "node = nuke.thisNode()\ntype = node.knob('type').getValue()\nexpText = node.knob('expText')\nexpFormula = node.knob('formula')\nexpResult = node.knob('expResult')\ndef setExp():\n    if type == 0: #Random\n        exp = 'random((frame+%s)/%s) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 1: #Noise\n        exp = '(noise((frame+%s)/%s)+1)/2 * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 2: #Sine\n        exp = '(sin(2*pi*(frame+%s)/%s)+1)/2 * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 3: #Triangle\n        exp = '(asin(sin(2*pi*(frame+%s)/%s))/pi+0.5) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 4: #Square\n        exp = 'int(sin(2*pi*(frame+%s)/%s)+1) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 5: #Sawtooth\n        exp = '((frame+%s) %% %s)/%s * (%s-%s) + %s' %(offset,waveLength,waveLength,maxVal,minVal,minVal)\n    if type == 6: #Sawtooth(Parabolic)\n        exp = 'sin((4.93480220054468*(frame+%s)/(pi*%s)) %% (pi/2)) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 7: #Sawtooth(Parabolic Reversed)\n        exp = 'cos((4.93480220054468*(frame+%s)/(pi*%s)) %% (pi/2)) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 8: #Sawtooth (Exponential)\n        exp = '(exp(2*pi*((frame+%s) %% %s)/%s)-1)/exp(2*pi) * (%s-%s) + %s' %(offset,waveLength,waveLength,maxVal,minVal,minVal)\n    if type == 9: #Bounce\n        exp = 'abs(sin(pi*(frame + %s)/%s))* (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    return exp\n\nwaveLength = 'waveLength'\noffset = 'offset'\nmaxVal = 'maxVal'\nminVal = 'minVal'\nexpResult.setExpression(setExp())\nexpFormula.setValue(setExp())\n\nwaveLength = node.knob('waveLength').getValue()\noffset = node.knob('offset').getValue()\nmaxVal = node.knob('maxVal').getValue()\nminVal = node.knob('minVal').getValue()\nexpText.setValue(setExp())" +STARTLINE}
 addUserKnob {26 ""}
 addUserKnob {7 expResult l Result t "The calculated result of the wave at the given frame. Link to this value if you want to control the expression from this node."}
 expResult {{"(sin(2*pi*(frame+offset)/waveLength)+1)/2 * (maxVal-minVal) + minVal"}}
 addUserKnob {26 unnamed_2 l "" +STARTLINE T " "}
 addUserKnob {1 expText l Expression t "The wave in expression form. For copying to another knobs expression value."}
 expText "(sin(2*pi*(frame+-3.0)/12.0)+1)/2 * (3.0--3.0) + -3.0"
 addUserKnob {26 unnamed_3 l "" +STARTLINE T " "}
 addUserKnob {1 formula l Formula t "The formula that generates the wave."}
 formula "(sin(2*pi*(frame+offset)/waveLength)+1)/2 * (maxVal-minVal) + minVal"
}
end_group
CheckerBoard2 {
 inputs 0
 boxsize {{parent.CheckerBoard4.boxsize x1 3.6 x49 2}}
 color0 0
 color1 0
 color2 1
 color3 1
 centerlinewidth 0
 name CheckerBoard1
 selected true
 xpos 283
 ypos -405
}
push $cut_paste_input
Shuffle {
 alpha black
 name Shuffle2
 selected true
 xpos 676
 ypos -818
 disable true
}
Dot {
 name Dot11
 selected true
 xpos 710
 ypos -773
}
set N5d28e380 [stack 0]
Transform {
 translate {0 2}
 center {1024 576}
 name Transform5
 selected true
 xpos 422
 ypos -633
}
push $N5d28e380
ShuffleCopy {
 inputs 2
 blue blue
 name ShuffleCopy3
 selected true
 xpos 551
 ypos -633
}
Merge2 {
 inputs 2
 operation soft-light
 name Merge9
 selected true
 xpos 551
 ypos -382
}
Transform {
 translate {0 {parent.ExpressionWaveGenerator.expResult}}
 center {1024 853}
 name Transform4
 selected true
 xpos 712
 ypos -382
}
CheckerBoard2 {
 inputs 0
 boxsize 2
 color0 1
 color1 1
 color2 0
 color3 0
 centerlinewidth 0
 name CheckerBoard4
 selected true
 xpos 282
 ypos -535
}
Transform {
 translate {0 {parent.ExpressionWaveGenerator.expResult}}
 center {1024 853}
 name Transform3
 selected true
 xpos 701
 ypos -512
}
push $N5d28e380
Transform {
 translate {0 2}
 center {1024 576}
 name Transform12
 selected true
 xpos 766
 ypos -628
}
push $N5d28e380
ShuffleCopy {
 inputs 2
 red red
 name ShuffleCopy4
 selected true
 xpos 876
 ypos -628
}
Merge2 {
 inputs 2
 operation soft-light
 name Merge14
 selected true
 xpos 876
 ypos -512
}
Merge2 {
 inputs 2
 operation soft-light
 name Merge15
 selected true
 xpos 876
 ypos -382
}
ColorCorrect {
 contrast 0.43
 gain 1.3
 name ColorCorrect2
 selected true
 xpos 876
 ypos -274
}
push $N5d28e380
Dot {
 name Dot12
 selected true
 xpos 1014
 ypos -773
}
Merge2 {
 inputs 2
 operation overlay
 mix 0.25
 name Merge16
 selected true
 xpos 980
 ypos -274
}
ColorCorrect {
 gain 1.5
 name ColorCorrect3
 selected true
 xpos 980
 ypos -196
 disable true
}