precision mediump float;
uniform float u_time;
varying vec2 v_texcoord;
varying vec3 vNormal;

#define TAU 2.0 * 3.142857

// Hash function uniforms
uniform vec2 uHashFract;
uniform float uHashDot;

// Rand01 uniforms
uniform vec3 uRandFract;
uniform float uRandDot;