pointAtfunction
The point of the board under a pixel of the box.
Import it
import { pointAt } from "@johnmorrisdotca/meikyuu/play";Definition
function pointAt(view: View, px: number, py: number): [number, number]Parameters
| Name | Type | Description |
|---|---|---|
view | View | The current pan and scale. |
px | number | The horizontal pointer position in viewport pixels. |
py | number | The vertical pointer position in viewport pixels. |
Returns
[number, number]
The point of the board under a pixel of the box.
Examples
import type { MazeRecipe } from "@johnmorrisdotca/meikyuu";
import { buildMaze } from "@johnmorrisdotca/meikyuu";
import { fitView, pointAt } from "@johnmorrisdotca/meikyuu/play";
const recipe: MazeRecipe = {shape:"square",w:5,h:5,algorithm:"backtracker",mode:"to-goal",seed:42};
const maze = buildMaze(recipe);
const grid = maze.grid;
const box = {width:390,height:844,area:grid.box};
const view = fitView(box);
console.log(pointAt(view,100,100));[ 0.9897435897435898, -2.6189743589743597 ]What it prints (run when this page was built)