oskarbraten

/*
Fetches the texel at x by mapping it to the texel-coords of the relevant mipmap level.
*/
float textureUnpack1D_texelFetch(sampler2D map, int x, int level) {
    if (level > 0) {
        /*
        Adjusts x to the appropriate mipmap level:
        For example, a sample at position 6 in level 0, will be at positions:
        - level 1: 6/4¹ = 1.5 = 1
        - level 2: 6/4² = 0.375 = 0

oskarbraten

interface SingleChannelImage {
    width: number;
    height: number;
    data: Uint8ClampedArray
}

function mipmaps(source: SingleChannelImage, fn = Math.max): SingleChannelImage[] {
  if (source.width === 1 && source.height === 1) {
    return [source];
  }

oskarbraten

Object.defineProperty(
  Object.prototype,
  'let',
  {
    value: function (callback) {
      return callback(this);
    },
    enumerable: false,
    writable: false
  }

oskarbraten

"use strict";

class MyCustomMaterial extends THREE.ShaderMaterial {
    
    // constructor takes appropriate parameters.
    // Default values using object destructuring (ES6)
    // https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Destructuring_assignment#Object_destructuring
	constructor({
		color = 0xffffff,
        emissive = 0x000000,