Grid system & simple physics

1 files changed, 11 insertions, 0 deletions

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;
+}
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