seam

Symbolic-Expressions As Markup.
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js-concept.sex (1259B)

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;; Example JavaScript:

;import * as BC from '../lib/BasicCanvas.js';
;import {grid, ellipse} from '../lib/BasicShapes.js';
;
;use(BC);
;
;const sketch = canvas_id('sketch');
;
;sketch.dimensions(400, 400);
;sketch.translate(200, 200);
;sketch.scale(30, -30);
;
;sketch.fill = Color`transparent`;
;sketch.stroke = Color`black`;
;
;const gaussian = (mean = 0, σ = 1) => {
;  const ϑ = Math.random() * Math.TAU;
;  const ρ = Math.sqrt(-2 * Math.log(1 - Math.random()));
;  const radius = σ * ρ;
;
;  return Polar(radius, ϑ, P(mean, mean));
;};
;
;const points = [];
;const r = 0.4;


(import * as BC from "../lib/BasicCanvas.js")
(import { grid, ellipse } from "../lib/BasicCanvas.js")

(use BC)

(const sketch (canvas_id "sketch"))

;; We have toistinguish operators from function calls.
((. sketch dimensions) 400 400)
(sketch.translate 200 200)  ;; Alternative (won't work with spaces).
((. sketch scale) 30 -30)

(= (. sketch fill) (Color `transparent`))
(= sketch.stroke (Color `black`))

(const gaussian (=> (= mean 0) (= σ 1)
    (const ϑ (* (. Math TAU) ((. Math random)))
    (const ρ (Math.sqrt (* -2 (Math.log (- 1 (Math.random))))))
    (const radius (* σ ρ))

    (Polar radius ϑ (P mean mean)))))

(const points [])
(const r 0.4)