Function rand01

examples/million-points/main.ts:81–87

()

  // xorshift32 PRNG (deterministic, no allocations).
  let state = 0x12345678 | 0;
  const rand01 = (): number => {
    state ^= state << 13;
    state ^= state >>> 17;
    state ^= state << 5;
    // Convert to [0, 1).
    return (state >>> 0) / 4294967296;
  };

  let yMin = Number.POSITIVE_INFINITY;
  let yMax = Number.NEGATIVE_INFINITY;