1648 Chalk Boxes
(meta linear-colour-space: 1)
(on-matrix-stack
(scale scalar: 1.1)
(rotate angle: 3)
(wash colour: (col/rgb r: 0.567 g: 0.142 b: 0.461 alpha: 0.151) ~ (gen/col)))
(on-matrix-stack
(scale scalar: 1.05)
(tri-hsl alpha: 0.361 ~ (gen/scalar))
(tri-lab alpha: 0.174 ~ (gen/scalar)))
(define
ra (prng/build seed: 42
min: -8.272 ~ (gen/stray from: -8.272 by: 8)
max: 14.468 ~ (gen/stray from: 14.468 by: 6))
sc 0.721 ~ (gen/scalar min: 0.3 max: 1.1)
w 50 ~ (gen/int min: 20 max: 80)
h 48 ~ (gen/int min: 20 max: 70))
(fn (left x: 0 y: 0 w: 0 h: 0 colour: red)
(poly coords: [[(- x w) (+ y h h)]
[(+ x w) (+ y h)]
[(- x w) (+ y 0)]
[(+ x w) (- y h)]]
colours: [colour colour colour colour]))
(fn (right x: 0 y: 0 w: 0 h: 0 colour: red)
(poly coords: [[(+ x w) (+ y h h)]
[(- x w) (+ y h)]
[(+ x w) (+ y 0)]
[(- x w) (- y h)]]
colours: [colour colour colour colour]))
(fn (left-side x: 0 y: 0 w: 0 h: 0 colour: red)
(on-matrix-stack
(translate vector: [x y])
(rotate angle: (prng/value from: ra))
(left x: 0 y: 0 w: w h: h colour: colour)
(scale scalar: sc)
(rotate angle: (prng/value from: ra))
(left x: 0 y: 0 w: w h: h colour: colour)
(scale scalar: sc)
(rotate angle: (prng/value from: ra))
(left x: 0 y: 0 w: w h: h colour: colour)
(scale scalar: sc)
(rotate angle: (prng/value from: ra))
(left x: 0 y: 0 w: w h: h colour: colour)))
(fn (right-side x: 0 y: 0 w: 0 h: 0 colour: red)
(on-matrix-stack
(translate vector: [x y])
(rotate angle: (prng/value from: ra))
(right x: 0 y: 0 w: w h: h colour: colour)
(scale scalar: sc)
(rotate angle: (prng/value from: ra))
(right x: 0 y: 0 w: w h: h colour: colour)
(scale scalar: sc)
(rotate angle: (prng/value from: ra))
(right x: 0 y: 0 w: w h: h colour: colour)
(scale scalar: sc)
(rotate angle: (prng/value from: ra))
(right x: 0 y: 0 w: w h: h colour: colour)))
(fn (tri-lab alpha: 1)
(define
y 400
r (prng/build min: 0 max: 1 seed: 231)
colour-scale 758 ~ (gen/int min: 700 max: 900)
colour-offset (prng/build min: -1 max: 1)
li (interp/build from: [0 1]
to: [89 ~ (gen/int min: 40 max: 120)
36 ~ (gen/int min: 0 max: 70)])
rma (interp/build from: [0 canvas/width]
to: [15 ~ (gen/int min: -10 max: 30)
9 ~ (gen/int min: -10 max: 30)])
rmb (interp/build from: [0 canvas/height]
to: [94 ~ (gen/int min: 60 max: 120)
32 ~ (gen/int min: 0 max: 60)]))
(loop (y from: 0 upto: canvas/height inc: (* 2 h))
(loop (x from: 0 to: canvas/width inc: (* 4 w))
(define
b (interp/value from: rmb t: (+ y (* (prng/value from: colour-offset) colour-scale)))
col-1 (col/lab l: (interp/value from: li t: (prng/value from: r))
a: (interp/value from: rma t: (+ x (* (prng/value from: colour-offset) colour-scale)))
b: b
alpha: alpha)
col-2 (col/lab l: (interp/value from: li t: (prng/value from: r))
a: (interp/value from: rma t: (+ x w (* (prng/value from: colour-offset) colour-scale)))
b: b
alpha: alpha))
(left-side x: x y: y w: w h: h colour: col-1)
(right-side x: (+ x w w) y: y w: w h: h colour: col-2))))
(fn (tri-hsl alpha: 1)
(define
colour-scale 504 ~ (gen/int min: 400 max: 600)
colour-offset (prng/build min: -1 max: 1)
fn-h (interp/build from: [0 canvas/width]
to: [311 ~ (gen/int min: 200 max: 360)
177 ~ (gen/int min: 100 max: 300)])
fn-l (interp/build from: [0 canvas/height]
to: [0.284 ~ (gen/scalar min: 0.2 max: 0.4)
0.904 ~ (gen/scalar min: 0.7 max: 1)]))
(loop (y from: 0 upto: canvas/height inc: (* 2 h))
(loop (x from: 0 to: canvas/width inc: (* 4 w))
(define
b (interp/value from: fn-l t: (+ y (* (prng/value from: colour-offset) colour-scale)))
col-1 (col/hsl h: (interp/value from: fn-h t: (+ x (* (prng/value from: colour-offset) colour-scale)))
s: 1 l: b alpha: alpha)
col-2 (col/hsl h: (interp/value from: fn-h t: (+ x w (* (prng/value from: colour-offset) colour-scale)))
s: 1 l: b alpha: alpha))
(left-side x: x y: y w: w h: h colour: col-1)
(right-side x: (+ x w w) y: y w: w h: h colour: col-2))))
(fn (wash vol: 200
line-width: 70
line-segments: 5
colour: (col/rgb r: 0.627 g: 0.627 b: 0.627 alpha: 0.4)
seed: 272)
(define
w/3 (/ canvas/width 3)
h/3 (/ canvas/height 3))
(loop (d from: -20 to: 1020 inc: 20)
(bezier tessellation: line-segments
line-width: line-width
coords: [[0 (wash-n x: 0 d: d seed: seed vol: vol)]
[w/3 (wash-n x: w/3 d: d seed: seed vol: vol)]
[(* w/3 2) (wash-n x: (* w/3 2) d: d seed: seed vol: vol)]
[canvas/width (wash-n x: canvas/width d: d seed: seed vol: vol)]]
colour: colour)
(bezier tessellation: line-segments
line-width: line-width
coords: [[(wash-n x: 0 d: d seed: seed vol: vol) 0]
[(wash-n x: h/3 d: d seed: seed vol: vol) h/3]
[(wash-n x: (* h/3 2) d: d seed: seed vol: vol) (* h/3 2)]
[(wash-n x: canvas/height d: d seed: seed vol: vol) canvas/height]]
colour: colour)))
(fn (wash-n x: 0 d: 0 seed: 0 vol: 1)
(+ d (* vol (prng/perlin x: x y: d z: seed))))