Siklos/svg-layout-designer-react
1
1
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

Replace sqrt in Dimension by Fast inverse square root
All checks were successful
continuous-integration/drone/push Build is passing
Details

Browse source
This commit is contained in:
Siklos 2022-08-15 15:41:38 +02:00
parent d6eb9ea364
commit 497d2173e8
2 changed files with 24 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/Components/SVG/Elements/Dimension.tsx
View file

@ -1,5 +1,6 @@
import * as React from 'react';
import { NOTCHES_LENGTH } from '../../../utils/default';
import { Qrsqrt } from '../../../utils/math';
interface IDimensionProps {
id: string
@ -32,8 +33,8 @@ export const Dimension: React.FC<IDimensionProps> = (props: IDimensionProps) =>
const [deltaX, deltaY] = [(props.xEnd - props.xStart), (props.yEnd - props.yStart)];
// Get the unit vector
const norm = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
const [unitX, unitY] = [deltaX / norm, deltaY / norm];
const inv = Qrsqrt(deltaX * deltaX + deltaY * deltaY);
const [unitX, unitY] = [deltaX * inv, deltaY * inv];
// Get the perpandicular vector
const [perpVecX, perpVecY] = [unitY, -unitX];