cellAtPoint関数
リファレンスの説明と例は英語です。見出しと目次は日本語です。
The cell under a point of the drawing, or null where there is none: off the board, in the frame, on a hexagon's missing corner. On a board that wraps the ghost cells are the real ones they show. A point is in the nearest cell's hexagon on a honeycomb, which is the one it is in.
インポート
import { cellAtPoint } from "@johnmorrisdotca/tsunagi/draw";定義
function cellAtPoint(geometry: TsunagiGeometry, x: number, y: number): number | null引数
| 名前 | 型 | 説明 |
|---|---|---|
geometry | TsunagiGeometry | The board-to-pixel geometry. |
x | number | The horizontal point, edge-code or coordinate value specified by this signature. |
y | number | The vertical point, edge-code or coordinate value specified by this signature. |
戻り値
number | null
The cell under a point of the drawing, or null where there is none: off the board, in the frame, on a hexagon's missing corner. On a board that wraps the ghost cells are the real ones they show. A point is in the nearest cell's hexagon on a honeycomb, which is the one it is in.
例
import { TSUNAGI_4 } from "@johnmorrisdotca/tsunagi/levels-4";
import { decodeLayout } from "@johnmorrisdotca/tsunagi";
import { cellAtPoint, tsunagiGeometry } from "@johnmorrisdotca/tsunagi/draw";
const givens = TSUNAGI_4[0][0];
const layout = decodeLayout(givens,4)!;
const geometry = tsunagiGeometry(layout);
console.log(cellAtPoint(geometry,geometry.centre(0).x,geometry.centre(0).y));0出力（このページを作ったときに実行した結果）
この日本語は、まだ日本語を母語とする方の確認を受けていません。訂正を歓迎します。