mirror of
https://github.com/excalidraw/excalidraw.git
synced 2025-09-17 22:40:54 +02:00
chore: Unify math types, utils and functions (#8389)
Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>
This commit is contained in:
42
packages/math/ga/gapoints.ts
Normal file
42
packages/math/ga/gapoints.ts
Normal file
@@ -0,0 +1,42 @@
|
||||
import * as GA from "./ga";
|
||||
import * as GALine from "./galines";
|
||||
import type { Point, Line } from "./ga";
|
||||
import { join } from "./ga";
|
||||
|
||||
export const from = ([x, y]: readonly [number, number]): Point => [
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
y,
|
||||
x,
|
||||
1,
|
||||
0,
|
||||
];
|
||||
|
||||
export const toTuple = (point: Point): [number, number] => [point[5], point[4]];
|
||||
|
||||
export const abs = (point: Point): Point => [
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
0,
|
||||
Math.abs(point[4]),
|
||||
Math.abs(point[5]),
|
||||
1,
|
||||
0,
|
||||
];
|
||||
|
||||
export const intersect = (line1: Line, line2: Line): Point =>
|
||||
GA.normalized(GA.meet(line1, line2));
|
||||
|
||||
// Projects `point` onto the `line`.
|
||||
// The returned point is the closest point on the `line` to the `point`.
|
||||
export const project = (point: Point, line: Line): Point =>
|
||||
intersect(GALine.orthogonal(line, point), line);
|
||||
|
||||
export const distance = (point1: Point, point2: Point): number =>
|
||||
GA.norm(join(point1, point2));
|
||||
|
||||
export const distanceToLine = (point: Point, line: Line): number =>
|
||||
GA.joinScalar(point, line);
|
Reference in New Issue
Block a user