export function convertHex(hex: number): { r: number; g: number; b: number } { return { r: (hex >> 16) & 255, g: (hex >> 8) & 255, b: hex & 255, }; } export function hexToString(hex: number): string { const { r, g, b } = convertHex(hex); return `#${r.toString(16).padStart(2, '0')}${g .toString(16) .padStart(2, '0')}${b.toString(16).padStart(2, '0')}`; } export function to2D(index: number, size: number): { x: number; y: number } { const y = index / size; const x = index % size; return { x, y }; } export function to1D(x: number, y: number, size: number): number { return y * size + x; } export function storeHex(hex: string): number { return Number(hex.replace('#', '0x')); } export function deg2rad(deg: number): number { return deg * (Math.PI / 180); } export function rad2deg(rad: number): number { return rad * (180 / Math.PI); }