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author | Elizabeth Hunt <elizabeth.hunt@simponic.xyz> | 2023-07-20 20:47:32 -0700 |
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committer | Elizabeth Hunt <elizabeth.hunt@simponic.xyz> | 2023-07-20 20:47:32 -0700 |
commit | 72c6c7de12e9833f52bf2d0718d70f044f8ab57e (patch) | |
tree | 152f5f31d59011bb8c617bfbcfc44cc8f47ecad5 /client/lib/utils/rotateVector.ts | |
parent | 0fd9fb097552686f2257c1aa689d797e80057bd1 (diff) | |
download | jumpstorm-72c6c7de12e9833f52bf2d0718d70f044f8ab57e.tar.gz jumpstorm-72c6c7de12e9833f52bf2d0718d70f044f8ab57e.zip |
a bit of refactoring; importing engine into bun for server
Diffstat (limited to 'client/lib/utils/rotateVector.ts')
-rw-r--r-- | client/lib/utils/rotateVector.ts | 15 |
1 files changed, 0 insertions, 15 deletions
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, - }; -}; |