@thi.ng/geom/api/bpatch.d.ts

Functional, polymorphic API for 2D geometry types & SVG generation

import type { Fn } from "@thi.ng/api";
import type { ReadonlyVec, Vec, VecPair } from "@thi.ng/vectors";
import type { Attribs, IHiccupShape2 } from "../api.js";
import { APC } from "./apc.js";
/**
 * nD Cubic bezier patch defined by array of 4x4 control points in this
 * order:
 *
 * ```text
 *           7   11
 *     3 +---+---+---+ 15 (UV = 1,1)
 *       |   |   |   |
 *     2 +---+---+---+ 14
 *       |   |   |   |
 *     1 +---+---+---+ 13
 *  v    |   |   |   |
 *  ^  0 +---+---+---+ 12
 *  |        4   8
 *  |
 *  +----> u
 * ```
 *
 * The class implements a `unmapPoint()` method to transform a 2D UV coordinate
 * into the worldspace position on the patch surface.
 *
 * The `toHiccup()` impl is only suitable for 2D patches.
 *
 * Ported from toxiclibs.
 *
 */
export declare class BPatch extends APC implements IHiccupShape2<BPatch> {
    readonly type = "bpatch";
    readonly dim = 2;
    constructor(points: Iterable<Vec>, attribs?: Attribs);
    copy(): BPatch;
    copyTransformed(fn: Fn<ReadonlyVec[], Vec[]>): BPatch;
    withAttribs(attribs: Attribs): BPatch;
    edges(): VecPair[];
    unmapPoint(uv: ReadonlyVec, out?: Vec): Vec<number>;
    toHiccup(): any[];
}
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