Polygon and Fastnoise Question

Hi,

So, I was wondering if it's possible to use a fastnoise node to only animate the edge of a polygon? I used a polygon and drew a shape, and I want only the edge of the shape to be affected by the fastnoise seething rate.

You could do something like this.

Code: Select all

{
   Tools = ordered() {
      Polygon1 = PolylineMask {
         DrawMode = "ModifyOnly",
         DrawMode2 = "InsertAndModify",
         CtrlWZoom = false,
         Inputs = {
            Filter = Input { Value = FuID { "Fast Gaussian" }, },
            PaintMode = Input { Value = FuID { "Subtract" }, },
            MaskWidth = Input { Value = 1920, },
            MaskHeight = Input { Value = 1080, },
            PixelAspect = Input { Value = { 1, 1 }, },
            ClippingMode = Input { Value = FuID { "None" }, },
            Polyline = Input {
               SourceOp = "Polygon1Polyline",
               Source = "Value",
            },
            Polyline2 = Input {
               Value = Polyline {
               },
               Disabled = true,
            },
         },
         ViewInfo = OperatorInfo { Pos = { 90, 59.4848 } },
      },
      Polygon1Polyline = BezierSpline {
         SplineColor = { Red = 96, Green = 255, Blue = 47 },
         CtrlWZoom = false,
         NameSet = true,
         KeyFrames = {
            [100] = { 0, Flags = { Linear = true, LockedY = true }, Value = Polyline {
                  Closed = true,
                  Points = {
                     { Linear = true, X = -0.0838541666666667, Y = 0.0962962962962963, LX = 0.0111111111111111, LY = 0.0145061728395062, RX = -0.0079861111111111, RY = -0.0370370370370371 },
                     { Linear = true, X = -0.1078125, Y = -0.0148148148148148, LX = 0.0079861111111111, LY = 0.0370370370370371, RX = 0.0154513888888889, RY = -0.0361111111111111 },
                     { Linear = true, X = -0.0614583333333333, Y = -0.123148148148148, LX = -0.0154513888888889, LY = 0.0361111111111111, RX = 0.0418402777777778, RY = -0.00401234567901234 },
                     { Linear = true, X = 0.0640625, Y = -0.135185185185185, LX = -0.0418402777777778, LY = 0.00401234567901234, RX = 0.0185763888888889, RY = 0.0376543209876543 },
                     { Linear = true, X = 0.119791666666667, Y = -0.0222222222222222, LX = -0.0185763888888889, LY = -0.0376543209876543, RX = -0.00590277777777778, RY = 0.0429012345679012 },
                     { Linear = true, X = 0.102083333333333, Y = 0.106481481481482, LX = 0.00590277777777778, LY = -0.0429012345679012, RX = -0.0256944444444444, RY = 0.012037037037037 },
                     { Linear = true, X = 0.025, Y = 0.142592592592593, LX = 0.0256944444444444, LY = -0.012037037037037, RX = -0.0251736111111111, RY = -0.000925925925925923 },
                     { Linear = true, X = -0.0505208333333333, Y = 0.139814814814815, LX = 0.0251736111111111, LY = 0.000925925925925923, RX = -0.0111111111111111, RY = -0.0145061728395062 }
                  }
               } }
         }
      },
      Instance_Polygon1 = PolylineMask {
         DrawMode = "ModifyOnly",
         DrawMode2 = "InsertAndModify",
         SourceOp = "Polygon1",
         Inputs = {
            SettingsNest = Input { },
            Size = Input { Value = 0.827, },
            Polyline2 = Input { Disabled = true, },
            ["ShapeRasterizer.Nest"] = Input { },
            CommentsNest = Input { },
            FrameRenderScriptNest = Input { },
            StartRenderScripts = Input { },
            EndRenderScripts = Input { },
            EffectMask = Input {
               SourceOp = "Polygon1",
               Source = "Mask",
            }
         },
         ViewInfo = OperatorInfo { Pos = { 187.333, 60.0909 } },
      },
      Displace1 = Displace {
         CtrlWZoom = false,
         Inputs = {
            Input = Input {
               SourceOp = "Instance_Polygon1",
               Source = "Mask",
            },
            Foreground = Input {
               SourceOp = "FastNoise1",
               Source = "Output",
            },
         },
         ViewInfo = OperatorInfo { Pos = { 300.604, 59.4848 } },
      },
      FastNoise1 = FastNoise {
         Inputs = {
            GlobalOut = Input { Value = 500, },
            Width = Input { Value = 1920, },
            Height = Input { Value = 1080, },
            ["Gamut.SLogVersion"] = Input { Value = FuID { "SLog2" }, },
            Detail = Input { Value = 10, },
            Contrast = Input { Value = 5, },
            XScale = Input { Value = 50, },
            Seethe = Input { Value = 0.347, },
            SeetheRate = Input { Value = 0.732, },
         },
         ViewInfo = OperatorInfo { Pos = { 301.333, 21.303 } },
      }
   },
   ActiveTool = "Displace1"
}

birdseye:

You. Are. Awesome!

birdseye:

I'm curious - why exactly does this work? Just so I can understand it better

You are asking the wrong person, my game was mechanical engineering, so if you want advice on machining 20 or 30 tonnes of metal, I should be able to point you on the correct path. As far as I know a lot of these warping tools are based on the manipulation of ST Maps and it would do you no harm to look for information on that subject regardless. Here is one for example.

https://benmcewan.com/blog/2020/02/02/d ... g-st-maps/

Don't take my work for it though, there are many who pass through the forum who are infinitely more educated in this stuff than me.

Edit
Something worth mentioning, most of the information on ST Maps seems to be based on Nuke, where pixels are referenced at their centre, that may not be the case in Fusion.

Hi,

So, I was wondering if it's possible to use a fastnoise node to only animate the edge of a polygon? I used a polygon and drew a shape, and I want only the edge of the shape to be affected by the fastnoise seething rate.

I am not sure if you only want the outline to be effected like a stroke, in which case you can just turn any polygon or B-Spline into a stroke only, and that would be new mask. Just turn off "solid" and adjust the thickness of the stroke.

sshot-4027.jpg (30 KiB) Viewed 292 times

If you want solid shape inside and only jagged edges on the outside, here is a tutorial.

JaggyEdges

birdseye:

Awesome, I'll check that link out! Thank you

KrunoSmithy:

Thank you, I will spend some time on the tutorial!