VHS Curve Bend points generator

vhs.js

// VHS Curve Bend points generator to be used in GIMP with the Curve Bend tool.
// For great vaporwave.

function generate_val(intensity) {
  return Math.round(127 - intensity / 2 + Math.random() * intensity);
}

const INTENSITY = process.argv[2] || 1.15;

console.log("POINTFILE_CURVE_BEND\nVERSION 1.0");
console.log(`# INTENSITY = ${INTENSITY}`);

for (let i = 0; i < 256; i++) {
  const left = generate_val(INTENSITY);
  const right = generate_val(INTENSITY);
  console.log(`VAL_Y ${left}  ${right}`);
}