feat: packing

2019-09-23 19:39:01 -05:00 · 2019-09-23 19:39:01 -05:00 · dfd2dc2a41
commit dfd2dc2a41
parent c3ec69f4ff
1 changed files with 11 additions and 0 deletions
--- a/packages/math/vector/index.js
+++ b/packages/math/vector/index.js
@ -372,3 +372,14 @@ export function fromObject(object) {
 export function toObject(v) {
  return {x: v[0], y: v[1]};
 }
+
+export function unpackFromUint32(uint32) {
+  return [
+    uint32 & 0xFFFF,
+    uint32 >> 16,
+  ];
+}
+
+export function packToUint32(v) {
+  return (v[1] << 16) | v[0];
+}