Copy from https://playground.babylonjs.com/#GXJ3FZ#51

src/utils/mulberry32.ts

@@ -0,0 +1,8 @@
+export const mulberry32 = (seed) => () => {
+  let t = (seed += 0x6d2b79f5);
+  t = Math.imul(t ^ (t >>> 15), t | 1);
+  t ^= t + Math.imul(t ^ (t >>> 7), t | 61);
+  return ((t ^ (t >>> 14)) >>> 0) / 4294967296;
+};
+
+Math.random = mulberry32(123);

src/utils/random-between.ts

@@ -0,0 +1,3 @@
+export const randomBetween = (min: number, max: number) => {
+  return Math.random() * (max - min) + min;
+};