export const run = <T>(fn: () => T): T => fn();

export const clamp = (v: number, min: number, max: number): number => Math.max(min, Math.min(max, v));

export const lerp = (a: number, b: number, t: number): number => a + (b - a) * t;

export const seededRandom = (seed: number): number => {
  const x = Math.sin(seed * 9999) * 10000;
  return x - Math.floor(x);
};

export const hashString = (str: string): number => {
  let h = 0;
  for (let i = 0; i < str.length; i++) h = ((h << 5) - h + str.charCodeAt(i)) | 0;
  return Math.abs(h);
};