156h Tri Grid
(meta linear-colour-space: 1)
(define seed 329)
(wash colour: (col/rgb r: 0.90 g: 0.90 b: 0.90 alpha: 1.00) ~ (gen/col))
(tri-hsl alpha: 0.3 ~ (gen/scalar))
(tri-lab alpha: 0.3 ~ (gen/scalar))
(fn (tri-lab alpha: 1)
(define
w 86.6
h 50.0
r (prng/build min: -1 max: 1 seed: seed)
colour-scale 100 ~ (gen/int max: 900)
colour-offset (prng/build min: -1 max: 1 seed: seed)
li (interp/build from: [0 1]
to: [60 ~ (gen/int min: 0 max: 120) 110 ~ (gen/int min: 0 max: 120)])
rma (interp/build from: [0 canvas/width]
to: [-80 ~ (gen/int min: -100 max: 100) 80 ~ (gen/int min: -100 max: 100)])
rmb (interp/build from: [0 canvas/height]
to: [-100 ~ (gen/int min: -120 max: 120) 100 ~ (gen/int min: -120 max: 120)]))
(loop (y from: 0 upto: canvas/height inc: 100)
(loop (x from: 0 upto: canvas/width inc: (* 2 w))
(define
a (interp/value from: rma t: (+ x (* (prng/value from: colour-offset) colour-scale)))
b (interp/value from: rmb t: (+ y (* (prng/value from: colour-offset) colour-scale))))
(poly coords: [[x (+ y 0)]
[(+ x w) (+ y h)]
[x (+ y h h)]]
colours: [(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)
(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)
(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)])
(poly coords: [[x (+ y 0)]
[(+ x w) (+ y h)]
[(+ x w) (- y h)]]
colours: [(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)
(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)
(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)]))
(loop (x from: w upto: canvas/width inc: (* 2 w))
(define
a (interp/value from: rma t: (+ x (* (prng/value from: colour-offset) colour-scale)))
b (interp/value from: rmb t: (+ y (* (prng/value from: colour-offset) colour-scale))))
(poly coords: [[x (+ y h)]
[(+ x w) (+ y h h)]
[(+ x w) (+ y 0)]]
colours: [(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)
(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)
(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)])
(poly coords: [[x (+ y h)]
[(+ x w) (+ y 0)]
[x (- y h)]]
colours: [(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)
(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)
(col/lab l: (interp/value from: li t: (prng/value from: r)) a: a b: b alpha: alpha)]))))
(fn (tri-hsl alpha: 1)
(define
w 86.6
h 50.0
colour-scale 100 ~ (gen/int max: 900)
colour-offset (prng/build min: -1 max: 1 seed: seed)
fn-h (interp/build from: [0 canvas/width]
to: [0 ~ (gen/int max: 360) 360 ~ (gen/int max: 360)])
fn-l (interp/build from: [0 canvas/height]
to: [0.4 ~ (gen/scalar min: 0.2 max: 0.5) 0.7 ~ (gen/scalar min: 0.4 max: 1.0)]))
(loop (y from: 0 upto: canvas/height inc: 100)
(loop (x from: 0 upto: canvas/width inc: (* 2 w))
(define
a (interp/value from: fn-h t: (+ x (* (prng/value from: colour-offset) colour-scale)))
b (interp/value from: fn-l t: (+ y (* (prng/value from: colour-offset) colour-scale))))
(poly coords: [[x (+ y 0)]
[(+ x w) (+ y h)]
[x (+ y h h)]]
colours: [(col/hsl h: a s: 1 l: b alpha: alpha)
(col/hsl h: a s: 1 l: b alpha: alpha)
(col/hsl h: a s: 1 l: b alpha: alpha)])
(poly coords: [[x (+ y 0)]
[(+ x w) (+ y h)]
[(+ x w) (- y h)]]
colours: [(col/hsl h: a s: 1 l: b alpha: alpha)
(col/hsl h: a s: 1 l: b alpha: alpha)
(col/hsl h: a s: 1 l: b alpha: alpha)]))
(loop (x from: w upto: canvas/width inc: (* 2 w))
(define
a (interp/value from: fn-h t: (+ x (* (prng/value from: colour-offset) colour-scale)))
b (interp/value from: fn-l t: (+ y (* (prng/value from: colour-offset) colour-scale))))
(poly coords: [[x (+ y h)]
[(+ x w) (+ y h h)]
[(+ x w) (+ y 0)]]
colours: [(col/hsl h: a s: 1 l: b alpha: alpha)
(col/hsl h: a s: 1 l: b alpha: alpha)
(col/hsl h: a s: 1 l: b alpha: alpha)])
(poly coords: [[x (+ y h)]
[(+ x w) (+ y 0)]
[x (- y h)]]
colours: [(col/hsl h: a s: 1 l: b alpha: alpha)
(col/hsl h: a s: 1 l: b alpha: alpha)
(col/hsl h: a s: 1 l: b alpha: alpha)]))))
(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))))