From bb152d6145f8f468c2f9d805bc47f42426cb5a25 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=80=9Cchrisshank=E2=80=9D?= <chris.shank.23@gmail.com>
Date: Wed, 18 Dec 2024 23:57:54 -0800
Subject: [PATCH] fix DOM precision

---
 lib/Matrix.ts | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lib/Matrix.ts b/lib/Matrix.ts
index 64467be..440df2c 100644
--- a/lib/Matrix.ts
+++ b/lib/Matrix.ts
@@ -1,7 +1,6 @@
 import type { Point } from './types';
 
-// TODO: find right value for precision
-const roundToDomPrecision = (value: number) => Math.round(value * 100000) / 100000;
+export const toDOMPrecision = (value: number) => Math.round(value * 1e4) / 1e4;
 
 const PI2 = Math.PI * 2;
 const TAU = Math.PI / 2;
@@ -276,9 +275,9 @@ export class Matrix implements IMatrix {
   }
 
   static ToCssString(m: MatrixInit) {
-    return `matrix(${roundToDomPrecision(m.a)}, ${roundToDomPrecision(m.b)}, ${roundToDomPrecision(
+    return `matrix(${toDOMPrecision(m.a)}, ${toDOMPrecision(m.b)}, ${toDOMPrecision(
       m.c
-    )}, ${roundToDomPrecision(m.d)}, ${roundToDomPrecision(m.e)}, ${roundToDomPrecision(m.f)})`;
+    )}, ${toDOMPrecision(m.d)}, ${toDOMPrecision(m.e)}, ${toDOMPrecision(m.f)})`;
   }
 }