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Misode
2021-06-23 20:44:28 +02:00
parent e551b7ef75
commit 09c851914f
89 changed files with 6398 additions and 15531 deletions
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50
src/app/Utils.ts
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@@ -1,54 +1,58 @@
const dec2hex = (dec: number) => ('0' + dec.toString(16)).substr(-2)
export function hexId(length = 12) {
var arr = new Uint8Array(length / 2)
window.crypto.getRandomValues(arr)
return Array.from(arr, dec2hex).join('')
var arr = new Uint8Array(length / 2)
window.crypto.getRandomValues(arr)
return Array.from(arr, dec2hex).join('')
}
export function htmlEncode(str: string) {
return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;')
.replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/\//g, '&#x2F;')
return str.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;')
.replace(/"/g, '&quot;').replace(/'/g, '&#x27;').replace(/\//g, '&#x2F;')
}
export function hashString(s: string) {
let h = 0
for(let i = 0; i < s.length; i++)
h = Math.imul(31, h) + s.charCodeAt(i) | 0
return h
let h = 0
for(let i = 0; i < s.length; i++)
h = Math.imul(31, h) + s.charCodeAt(i) | 0
return h
}
export function cleanUrl(url: string) {
return `/${url}/`.replaceAll('//', '/')
}
export function stringToColor(str: string): [number, number, number] {
const h = Math.abs(hashString(str))
return [h % 256, (h >> 8) % 256, (h >> 16) % 256]
const h = Math.abs(hashString(str))
return [h % 256, (h >> 8) % 256, (h >> 16) % 256]
}
export function clamp(a: number, b: number, c: number) {
return Math.max(a, Math.min(b, c))
return Math.max(a, Math.min(b, c))
}
export function clampedLerp(a: number, b: number, c: number): number {
if (c < 0) {
return a;
} else if (c > 1) {
return b
} else {
return lerp(c, a, b)
}
if (c < 0) {
return a
} else if (c > 1) {
return b
} else {
return lerp(c, a, b)
}
}
export function lerp(a: number, b: number, c: number): number {
return b + a * (c - b);
return b + a * (c - b)
}
export function lerp2(a: number, b: number, c: number, d: number, e: number, f: number): number {
return lerp(b, lerp(a, c, d), lerp(a, e, f));
return lerp(b, lerp(a, c, d), lerp(a, e, f))
}
export function lerp3(a: number, b: number, c: number, d: number, e: number, f: number, g: number, h: number, i: number, j: number, k: number) {
return lerp(c, lerp2(a, b, d, e, f, g), lerp2(a, b, h, i, j, k))
return lerp(c, lerp2(a, b, d, e, f, g), lerp2(a, b, h, i, j, k))
}
export function smoothstep(x: number): number {
return x * x * x * (x * (x * 6 - 15) + 10);
return x * x * x * (x * (x * 6 - 15) + 10)
}