Make physics more fun

backend/src/helper/interpolate-angles.ts

@@ -0,0 +1,9 @@
+const shortAngleDist = (a0: number, a1: number): number => {
+  const max = Math.PI * 2;
+  const da = (a1 - a0) % max;
+  return ((2 * da) % max) - da;
+};
+
+export const interpolateAngles = (a0: number, a1: number, t: number) => {
+  return a0 + shortAngleDist(a0, a1) * t;
+};