Merge pull request 'feature-palettes' (#14) from feature-palettes into main

Reviewed-on: #14

CHANGELOG.md

@@ -1,5 +1,9 @@
 # CHANGELOG.md
 
+## v1.0.1
+
+Added palettes
+
 ## v1.0.0
 
 First deployed version

src/components/controls.js

@@ -2,25 +2,22 @@
 
 import * as Inputs from "npm:@observablehq/inputs";
 import random from "npm:random";
+import shuffle from "npm:lodash.shuffle";
 import * as d3 from "npm:d3-color";
 
+const PALETTES = new Map([
+	[ "random RGB", palette_random ], 
+	[ "grayscale", palette_grayscale ],
+    [ "monochrome", palette_monochrome ],
+    [ "one spot", palette_one_spot ],
+    [ "triad", triad_saturated ],
+    [ "triad pastel", triad_pastel ],
+    [ "triad dusk", triad_dusk ],
+  	[ "RGB", palette_rgb ],
+  	[ "RBY", palette_rby ],
+  	[ "CMY", palette_cmy ],
+]);
 
-console.log("Hi there");
-console.log(d3);
-console.log(d3.rgb(1, 0, 0));
-
-function random_colour() {
-	const r = random.float(0, 1) * 255;
-	const g = random.float(0, 1) * 255;
-	const b = random.float(0, 1) * 255;
-	return d3.rgb(r, g, b).formatHex();
-}
-
-
-function random_palette() {
-
-	// monochrome
-	// one spot
 	// two spot
  	// RGB
  	// CMY
@@ -30,10 +27,69 @@ function random_palette() {
  	// trial - dusk
  	// random HSV
  	// random RGB
+
+function palette_random() {
+	const u = random.uniform(0, 255);
+	return [1,2,3].map((x)=> d3.rgb(u(), u(), u()));
 }
 
+
+function palette_grayscale() {
+	const u = random.uniform(0, 1);
+	return [1,2,3].map((x)=> d3.hsl(0, 0, u()));
+}
+
+function palette_monochrome() {
+	const u = random.uniform(0, 1);
+	const h = u() * 360;
+	return [1,2,3].map((x)=> d3.hsl(h, u(), u()));
+}
+
+function palette_one_spot() {
+	const hue = random.uniform(0, 360);
+	const cols = [ d3.color("white"), d3.color("black"), d3.hsl(hue(), 1, 0.5) ]
+	return shuffle(cols);
+}
+
+function triad_saturated() {
+	return triad(1, 0.5);
+}
+
+function triad_pastel() {
+	return triad(0.6, 0.7);
+}
+
+function triad_dusk() {
+	return triad(1, 0.25);
+}
+
+function triad(s, l) {
+	const u = random.uniform(0, 360);
+	const h1 = u();
+	const h2 = (h1 + 120) % 360;
+	const h3 = (h1 + 240) % 360;
+	const cols = [ h1, h2, h3 ].map((h) => d3.hsl(h, s, l));
+	return shuffle(cols); 
+}
+
+function palette_rgb() {
+	const cols = [ d3.rgb(255, 0, 0), d3.rgb(0, 255, 0), d3.rgb(0, 0, 255) ];
+	return shuffle(cols);
+}
+
+function palette_rby() {
+	const cols = [ d3.rgb(255, 0, 0), d3.rgb(255, 255, 0), d3.rgb(0, 0, 255) ];
+	return shuffle(cols);
+}
+
+function palette_cmy() {
+	const cols = [ d3.rgb(0, 255, 255), d3.rgb(255, 255, 0), d3.rgb(255, 0, 255) ];
+	return shuffle(cols);
+}
+
+
 class DotControls {
-//
+
 	constructor(fg, radius_opts) {	
 		this.radius_opts = radius_opts;
 		this.fg = Inputs.color({label: "colour", value: fg});
@@ -55,11 +111,15 @@ class DotControls {
 	}
 
 	random_colours() {
-		this.fg.value = random_colour();
+		this.set_colour(random_colour());
+	}
+
+	set_colour(c) {
+		this.fg.value = c;
 		this.fg.dispatchEvent(new Event("input"));
 	}
 
 
 }
 
-export { DotControls, random_colour };
+export { DotControls, PALETTES };

src/index.md

@@ -4,7 +4,7 @@ toc: false
 
 <h1>poptimal</h1>
 
-<p>by <a href="https://mikelynch.org">mike lynch</a> | <a href="https://aus.social/@mikelynch">@mikelynch@aus.social</a> | <a href="https://git.tilde.town/bombinans/poptimal">source</a></p>
+<p>v1.0.1 | by <a href="https://mikelynch.org">mike lynch</a> | <a href="https://aus.social/@mikelynch">@mikelynch@aus.social</a> | <a href="https://git.tilde.town/bombinans/poptimal">source</a></p>
 
 <div class="grid grid-cols-2">
 
@@ -13,7 +13,8 @@ toc: false
 ```js
 
 import {RADIUS_OPTS, DotMaker} from './components/dots.js';
-import {DotControls, random_colour} from './components/controls.js';
+import {PALETTES, DotControls} from './components/controls.js';
+import random from "npm:random";
 
 const CELL = 10;
 const MAG = 2;
@@ -29,22 +30,29 @@ const ctrl1 = new DotControls(d3.color("red").formatHex(), RADIUS_OPTS);
 const ctrl2 = new DotControls(d3.color("blue").formatHex(), RADIUS_OPTS);
 
 
-const fg1 = view(ctrl1.fg)
+const fg1 = view(ctrl1.fg);
 const m1 = view(ctrl1.m);
 const n1 = view(ctrl1.n);
 const r1 = view(ctrl1.r);
 const f1 = view(ctrl1.f);
 
 
-const fg2 = view(ctrl2.fg)
+const fg2 = view(ctrl2.fg);
 const m2 = view(ctrl2.m);
 const n2 = view(ctrl2.n);
 const r2 = view(ctrl2.r);
 const f2 = view(ctrl2.f);
 
-const randomise_pattern = view(Inputs.button("Random dots"));
-const randomise_colours = view(Inputs.button("Random colours"));
-const randomise_all = view(Inputs.button("Random all"));
+const palette_input = Inputs.select(PALETTES, {label: "palette"});
+const palette_fn = view(palette_input);
+
+const randomise_pattern = view(Inputs.button("Random", {label:"grids"}));
+const randomise_colours = view(Inputs.button("Random", {label:"colours"}));
+const randomise_palette = view(Inputs.button("Random", {label:"palette"}));
+const randomise_all = view(Inputs.button("Random", {label:"all"}));
+
+
+
 
 ```
 
@@ -57,28 +65,36 @@ ctrl2.random_grid();
 
 ```
 
-```js
-
-randomise_colours;
-bg_input.value = random_colour();
-bg_input.dispatchEvent(new Event("input"));
-ctrl1.random_colours();
-ctrl2.random_colours();
-
-```
 
 ```js
-
 randomise_all;
 ctrl1.random_grid();
 ctrl2.random_grid();
-bg_input.value = random_colour();
-bg_input.dispatchEvent(new Event("input"));
-ctrl1.random_colours();
-ctrl2.random_colours();
+const rpalette = random.choice(Array.from(PALETTES.keys()));
+palette_input.value = PALETTES.get(rpalette);
+palette_input.dispatchEvent(new Event("input"));
 
 ```
 
+```js
+randomise_palette
+const rpalette = random.choice(Array.from(PALETTES.keys()));
+palette_input.value = PALETTES.get(rpalette);
+palette_input.dispatchEvent(new Event("input"));
+
+```
+
+```js
+randomise_colours;
+if( palette_fn ) {
+  const palette = palette_fn();
+  bg_input.value = palette[0].formatHex();
+  bg_input.dispatchEvent(new Event("input"));
+  ctrl1.set_colour(palette[1].formatHex());
+  ctrl2.set_colour(palette[2].formatHex());
+}
+
+```
 
 </div>
 <div>