evOo-local/packages/core/src/oo-palette.ts
cynarAI 63578bb645
feat(avatar): dress up any Oo in the Atelier on web and mobile (#143)
The Atelier replaces Avatar Studio: pick a species, colour, eyes,
glasses, hats, neckwear, arms and temperament, with every option drawn
as your own Oo wearing it. Onboarding's "Design your Oo" now offers
species looks per vibe and opens the Atelier for the rest; mobile bot
settings carry the same editor instead of a bare colour row, so picking
a colour there no longer throws away the rest of the look.


Claude-Session: https://claude.ai/code/session_01EKuME5CgL1ddGGN7LGvtBj

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: cynarAI <cynarAI@users.noreply.github.com>
2026-10-05 03:20:05 +02:00

287 lines
25 KiB
TypeScript

/**
* Oo identity palette and the eight classic silhouettes (228.5-unit box), shared by
* every avatar renderer. Bots without an explicit colour or shape get one from a hash
* of their identity, so they look the same on web and mobile.
*/
import type { OoAvatar } from "./oo-avatar.js";
import {
DEFAULT_OO_AVATAR,
decodeOoAvatar,
OO_CHEEKS,
OO_CLASSIC_SHAPE_COUNT,
OO_EYESHADOWS,
OO_EYEWEAR,
OO_HEADWEAR,
OO_IRISES,
OO_LASHES,
OO_NECKWEAR,
OO_SPARKLES,
OO_SPECIES,
} from "./oo-avatar.js";
export const OO_CLASSIC_SHAPES: Record<string, string> = {
blob: "M228.541 114.228C228.541 130.133 225.184 145.994 218.738 160.534C212.674 174.217 203.904 186.669 193.065 196.988C155.933 232.34 99.497 238.596 55.5255 212.24C45.097 205.99 35.6851 198.072 27.7451 188.866C19.1926 178.953 12.3686 167.569 7.65781 155.351C2.60712 142.264 0 128.257 0 114.228C0 98.3219 3.35751 82.4611 9.80315 67.9215C15.8672 54.2382 24.6377 41.7862 35.4767 31.4668C72.6081 -3.88483 129.044 -10.1413 173.016 16.2153C183.444 22.4653 192.856 30.3829 200.796 39.5896C209.349 49.5018 216.173 60.8859 220.883 73.1037C225.934 86.1906 228.541 100.198 228.541 114.228Z",
pebble:
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squircle:
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tablet:
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wedge:
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hex: "M217.73 153.04Q217.73 174 199.58 184.48L132.42 223.25Q114.27 233.73 96.12 223.25L28.96 184.48Q10.81 174 10.81 153.04L10.81 75.5Q10.81 54.54 28.96 44.06L96.12 5.29Q114.27 -5.19 132.42 5.29L199.58 44.06Q217.73 54.54 217.73 75.5Z",
cloud:
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teardrop:
"M125.97 7.2Q114.27 -7.28 102.57 7.2L43.49 80.31C13.46 117.46 17.28 171.51 52.23 204.08C87.17 236.65 141.37 236.65 176.32 204.08C211.26 171.51 215.08 117.46 185.05 80.31Z",
};
export const OO_CLASSIC_SHAPE_KEYS = [
"hex",
"wedge",
"squircle",
"tablet",
"pebble",
"blob",
"teardrop",
"cloud",
] as const;
export interface OoColorDef {
id: string;
name: string;
light: string;
dark: string;
eyeColor: string;
hex: string;
}
export const OO_PALETTE: OoColorDef[] = [
{
id: "white",
name: "Staff White",
light: "#FFFFFF",
dark: "#CBD5E1",
eyeColor: "#141414",
hex: "#FFFFFF",
},
{
id: "violet",
name: "Executive Violet",
light: "#A97EFE",
dark: "#7C3AED",
eyeColor: "#FFFFFF",
hex: "#8B5CF6",
},
{
id: "green",
name: "Emerald",
light: "#00C972",
dark: "#059669",
eyeColor: "#FFFFFF",
hex: "#10B981",
},
{
id: "orange",
name: "Forge Orange",
light: "#FF781C",
dark: "#EA580C",
eyeColor: "#FFFFFF",
hex: "#F97316",
},
{
id: "cyan",
name: "Cyber Cyan",
light: "#1CC3B0",
dark: "#0284C7",
eyeColor: "#FFFFFF",
hex: "#06B6D4",
},
{
id: "blue",
name: "Cobalt Blue",
light: "#2A92FE",
dark: "#1D4ED8",
eyeColor: "#FFFFFF",
hex: "#3B82F6",
},
{
id: "yellow",
name: "Amber Gold",
light: "#FFAF38",
dark: "#D97706",
eyeColor: "#141414",
hex: "#EAB308",
},
{
id: "brown",
name: "Caramel Bronze",
light: "#A27952",
dark: "#78350F",
eyeColor: "#FFFFFF",
hex: "#8D6E63",
},
{
id: "red",
name: "Crimson Red",
light: "#FF3E51",
dark: "#BE123C",
eyeColor: "#FFFFFF",
hex: "#EF4444",
},
{
id: "magenta",
name: "Neon Pink",
light: "#FF5EB1",
dark: "#BE185D",
eyeColor: "#FFFFFF",
hex: "#EC4899",
},
{
id: "gray",
name: "Slate Silver",
light: "#94A3B8",
dark: "#475569",
eyeColor: "#FFFFFF",
hex: "#64748B",
},
];
export const OO_PALETTE_HEXES = OO_PALETTE.map((c) => c.hex);
/** Shared identity color for Avatar Studio reset/fallback (Executive Violet). */
export const OO_DEFAULT_COLOR = OO_PALETTE.find((color) => color.id === "violet")!.hex;
export const OO_CLASSIC_SHAPE_PATHS = OO_CLASSIC_SHAPE_KEYS.map(
(k) => OO_CLASSIC_SHAPES[k] ?? FALLBACK_SHAPE_PATH,
);
function shippedHash(value: string): number {
let hash = 2166136261;
for (let index = 0; index < value.length; index += 1) {
hash = Math.imul(hash ^ value.charCodeAt(index), 16777619);
}
return hash >>> 0;
}
function shippedRandom(seed: number): () => number {
let value = seed >>> 0;
return () => {
value = (value + 1831565813) | 0;
let next = Math.imul(value ^ (value >>> 15), 1 | value);
next = (next + Math.imul(next ^ (next >>> 7), 61 | next)) ^ next;
return ((next ^ (next >>> 14)) >>> 0) / 4294967296;
};
}
export function resolveOoColor(identity: string, explicitColor?: string | null): OoColorDef {
if (explicitColor) {
const clean = explicitColor.toLowerCase();
const foundById = OO_PALETTE.find((c) => c.id === clean || c.name.toLowerCase() === clean);
if (foundById) return foundById;
const foundByHex = OO_PALETTE.find((c) => c.hex.toLowerCase() === clean);
if (foundByHex) return foundByHex;
// If custom hex, synthesize gradient
if (/^#(?:[0-9a-f]{3}|[0-9a-f]{6})$/i.test(explicitColor)) {
const isBright = isColorBright(explicitColor);
return {
id: "custom",
name: "Custom",
light: explicitColor,
dark: darkenHex(explicitColor, 20),
eyeColor: isBright ? "#141414" : "#FFFFFF",
hex: explicitColor,
};
}
}
const seed = (shippedHash(identity) ^ Math.imul(1, 2654435769)) >>> 0;
const index = Math.floor(shippedRandom((seed ^ 2654435769) >>> 0)() * OO_PALETTE.length);
return OO_PALETTE[index % OO_PALETTE.length] ?? OO_PALETTE[0]!;
}
const FALLBACK_SHAPE_PATH = OO_CLASSIC_SHAPES.hex ?? "";
export function resolveOoClassicShape(identity: string, explicitShape?: string | null): string {
if (explicitShape) {
const explicit = OO_CLASSIC_SHAPES[explicitShape];
if (explicit) return explicit;
}
const key = OO_CLASSIC_SHAPE_KEYS[ooIdentityShapeIndex(identity)] ?? "hex";
return OO_CLASSIC_SHAPES[key] ?? FALLBACK_SHAPE_PATH;
}
/** The classic silhouette an identity gets when its avatar value names none. */
export function ooIdentityShapeIndex(identity: string): number {
let hash = shippedHash(identity);
hash = Math.imul(hash ^ (hash >>> 16), 73244475);
hash = Math.imul(hash ^ (hash >>> 13), 3266489909);
return ((hash ^ (hash >>> 16)) >>> 0) % OO_CLASSIC_SHAPE_KEYS.length;
}
function expandHex(hex: string): string {
const c = hex.replace("#", "");
if (c.length === 3) {
const r = c[0] ?? "0";
const g = c[1] ?? "0";
const b = c[2] ?? "0";
return `${r}${r}${g}${g}${b}${b}`;
}
return c;
}
function isColorBright(hex: string): boolean {
const c = expandHex(hex);
const r = Number.parseInt(c.substring(0, 2), 16) || 0;
const g = Number.parseInt(c.substring(2, 4), 16) || 0;
const b = Number.parseInt(c.substring(4, 6), 16) || 0;
const brightness = (r * 299 + g * 587 + b * 114) / 1000;
return brightness > 180;
}
function darkenHex(hex: string, percent: number): string {
const num = Number.parseInt(expandHex(hex), 16);
const factor = 1 - percent / 100;
const r = Math.max(0, Math.floor(((num >> 16) & 255) * factor));
const g = Math.max(0, Math.floor(((num >> 8) & 255) * factor));
const b = Math.max(0, Math.floor((num & 255) * factor));
return `#${((1 << 24) + (r << 16) + (g << 8) + b).toString(16).slice(1)}`;
}
/** The look an avatar value shows, with a plain hex colour, ready to edit and re-encode. */
export function ooLookForEditing(value: string, identity: string): OoAvatar {
const look = decodeOoAvatar(value) ?? DEFAULT_OO_AVATAR;
return { ...look, color: resolveOoColor(identity, look.color || null).hex };
}
function pick<T>(values: readonly T[], random: () => number): T {
return values[Math.floor(random() * values.length) % values.length] as T;
}
/** Half the time an optional extra stays off, so random looks are not overloaded. */
function maybe<T>(values: readonly T[], random: () => number): T {
return random() < 0.5 ? (values[0] as T) : pick(values.slice(1), random);
}
/** A random but tidy look for “surprise me”. */
export function ooRandomAvatar(random: () => number = Math.random): OoAvatar {
const species = pick(OO_SPECIES, random);
return {
species,
color: pick(OO_PALETTE_HEXES, random),
shape: species === "classic" ? Math.floor(random() * OO_CLASSIC_SHAPE_COUNT) : null,
arms: species === "robot" ? "robot" : pick(["glass", "stub", "paw"] as const, random),
lashes: maybe(OO_LASHES, random),
liner: random() < 0.2 ? "wing" : "none",
eyeshadow: random() < 0.25 ? pick(OO_EYESHADOWS.slice(1), random) : "none",
iris: maybe(OO_IRISES, random),
sparkle: pick(OO_SPARKLES, random),
brows: "auto",
cheeks: maybe(OO_CHEEKS, random),
eyewear: random() < 0.35 ? pick(OO_EYEWEAR.slice(1), random) : "none",
head: random() < 0.35 ? pick(OO_HEADWEAR.slice(1), random) : "none",
neck: random() < 0.25 ? pick(OO_NECKWEAR.slice(1), random) : "none",
energy: Number((0.7 + random() * 0.7).toFixed(2)),
playful: Number(random().toFixed(2)),
};
}