From 72c6c7de12e9833f52bf2d0718d70f044f8ab57e Mon Sep 17 00:00:00 2001 From: Elizabeth Hunt Date: Thu, 20 Jul 2023 20:47:32 -0700 Subject: a bit of refactoring; importing engine into bun for server --- client/lib/utils/rotateVector.ts | 15 --------------- 1 file changed, 15 deletions(-) delete mode 100644 client/lib/utils/rotateVector.ts (limited to 'client/lib/utils/rotateVector.ts') diff --git a/client/lib/utils/rotateVector.ts b/client/lib/utils/rotateVector.ts deleted file mode 100644 index 82bb54d..0000000 --- a/client/lib/utils/rotateVector.ts +++ /dev/null @@ -1,15 +0,0 @@ -import type { Coord2D } from "../interfaces"; - -/** - * ([[cos(θ), -sin(θ),]) ([x,) - * ([sin(θ), cos(θ)] ]) ( y]) - */ -export const rotateVector = (vector: Coord2D, theta: number): Coord2D => { - const rads = (theta * Math.PI) / 180; - const [cos, sin] = [Math.cos(rads), Math.sin(rads)]; - - return { - x: vector.x * cos - vector.y * sin, - y: vector.x * sin + vector.y * cos, - }; -}; -- cgit v1.2.3-70-g09d2