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-rw-r--r--src/Util/Util.js20
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diff --git a/src/Util/Util.js b/src/Util/Util.js
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+++ b/src/Util/Util.js
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+function useAverage() {
+ var avg = 0;
+ let weight = 0;
+ const append = value => {
+ avg = (weight * avg) + value;
+ weight += 1;
+ avg = avg/weight;
+ }
+
+ return [() => avg, append];
+}
+
+function clamp(value, min, max) {
+ return Math.min(Math.max(value, min), max);
+}
+
+function lerp(a, b, alpha) {
+ return ((1-alpha)*a) + (alpha*b);
+}
+export { useAverage, clamp, lerp };