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Documenting the passes and config variables.

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Rezmason
2021-10-20 21:39:04 -07:00
parent 4c6ff879fd
commit d285697640
5 changed files with 66 additions and 36 deletions
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5
js/palettePass.js
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@@ -17,6 +17,8 @@ const colorToRGB = ([hue, saturation, lightness]) => {
const makePalette = (regl, entries) => {
const PALETTE_SIZE = 2048;
const paletteColors = Array(PALETTE_SIZE);
// Convert HSL gradient into sorted RGB gradient, capping the ends
const sortedEntries = entries
.slice()
.sort((e1, e2) => e1.at - e2.at)
@@ -29,6 +31,9 @@ const makePalette = (regl, entries) => {
rgb: sortedEntries[sortedEntries.length - 1].rgb,
arrayIndex: PALETTE_SIZE - 1,
});
// Interpolate between the sorted RGB entries to generate
// the palette texture data
sortedEntries.forEach((entry, index) => {
paletteColors[entry.arrayIndex] = entry.rgb.slice();
if (index + 1 < sortedEntries.length) {