From 5a55b5fa0c678ff03842d2adec8543e754546718 Mon Sep 17 00:00:00 2001 From: Logan Hunt Date: Sat, 2 Apr 2022 16:04:13 -0600 Subject: Grid system & simple physics --- src/utils/unitizeVector.js | 11 +++++++++++ 1 file changed, 11 insertions(+) create mode 100644 src/utils/unitizeVector.js (limited to 'src/utils/unitizeVector.js') diff --git a/src/utils/unitizeVector.js b/src/utils/unitizeVector.js new file mode 100644 index 0000000..6297ca8 --- /dev/null +++ b/src/utils/unitizeVector.js @@ -0,0 +1,11 @@ +const unitize = (vector) => { + // Not *technically* a unit vector, but has x,y components of |magnitude| = 1 + Object.keys(vector).forEach((key) => { + if (typeof vector[key] === 'object') { + vector[key] = vector[key].unitize(); + } else if (typeof vector[key] === 'number') { + vector[key] = (vector[key] === 0 ? 0 : vector[key] / Math.abs(vector[key])); + } + }); + return vector; +} \ No newline at end of file -- cgit v1.2.3-70-g09d2