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util.ts
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util.ts
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// Copyright 2023 mineejo. All rights reserved. MIT license.
export function percent(value: number): number {
return Math.min(Math.max(value, 0), 100);
}
export function clamp(value: number, min: number, max: number) {
return Math.min(Math.max(value, min), max);
}
export function createRgbColors(): [number, number, number][] {
const colors: [number, number, number][] = [];
for (let red = 0; red <= 255; red += 40) {
for (let green = 0; green <= 255; green += 40) {
for (let blue = 0; blue <= 255; blue += 40) {
colors.push([red, green, blue]);
if (blue === 0) blue += 55;
}
if (green === 0) green += 55;
}
if (red === 0) red += 55;
}
return colors;
}
export function createRgbGrays(): [number, number, number][] {
const colors: [number, number, number][] = [];
for (let component = 8; component <= 238; component += 10) {
colors.push([component, component, component]);
}
return colors;
}