1743 Grose

March 23, 2017
(meta linear-colour-space: 1)

(define
  coords1 [[-446.093 -482.594] ~ (gen/stray-2d from: [-446.093 -482.594] by: [5 5])
           [265.913 -194.704] ~ (gen/stray-2d from: [265.913 -194.704] by: [5 5])
           [58.708 -111.861] ~ (gen/stray-2d from: [58.708 -111.861] by: [5 5])
           [195.393 -295.226] ~ (gen/stray-2d from: [195.393 -295.226] by: [5 5])]

  coords2 [[449.735 428.002] ~ (gen/stray-2d from: [449.735 428.002] by: [5 5])
           [-462.608 324.073] ~ (gen/stray-2d from: [-462.608 324.073] by: [5 5])
           [-422.931 -390.944] ~ (gen/stray-2d from: [-422.931 -390.944] by: [5 5])
           [-179.801 -311.130] ~ (gen/stray-2d from: [-179.801 -311.130] by: [5 5])]

  coords3 [[-147.120 -433.927] ~ (gen/stray-2d from: [-147.120 -433.927] by: [5 5])
           [-283.224 173.958] ~ (gen/stray-2d from: [-283.224 173.958] by: [5 5])
           [-288.194 81.838] ~ (gen/stray-2d from: [-288.194 81.838] by: [5 5])
           [-453.323 -333.393] ~ (gen/stray-2d from: [-453.323 -333.393] by: [5 5])]

  col-fn-1 (col/build-procedural preset: robocop ~ (gen/select from: col/procedural-fn-presets)
                                 alpha: 0.08)
  col-fn-2 (col/build-procedural preset: chrome ~ (gen/select from: col/procedural-fn-presets)
                                 alpha: 0.08)
  col-fn-3 (col/build-procedural preset: mars ~ (gen/select from: col/procedural-fn-presets)
                                 alpha: 0.08)

  num-copies 11 ~ (gen/int min: 7 max: 15)
  squish (interp/build from: [0 (- num-copies 1)] to: [1.3 ~ (gen/stray from: 1.3 by: 0.7) 0.34 ~ (gen/stray from: 0.34 by: 0.3)]))

(fn (draw angle: 0 copy: 0)
  (scale vector: [(interp/value from: squish t: copy) (interp/value from: squish t: copy)])
  (fence (t num: 200)
    (poly coords: [(interp/bezier t: t coords: coords1)
                   (interp/bezier t: t coords: coords2)
                   (interp/bezier t: t coords: coords3)]
          colours: [(col/value from: col-fn-1 t: t)
                    (col/value from: col-fn-2 t: t)
                    (col/value from: col-fn-3 t: t)])))

(fn (render)
  (rect position: [500 500]
        width: 1000
        height: 1000
        colour: (col/value from: col-fn-1 t: 0.5))
  (on-matrix-stack
    (translate vector: [(/ canvas/width 2) (/ canvas/height 2)])
    (scale vector: [0.8 0.8])
    (repeat/rotate-mirrored fn: (address-of draw)
                            copies: num-copies)))

(render)
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