backend/libs/three/utils.js

function arrayMin(array) {
	if (array.length === 0) return Infinity;

	let min = array[0];

	for (let i = 1, l = array.length; i < l; ++i) {
		if (array[i] < min) min = array[i];
	}

	return min;
}

function arrayMax(array) {
	if (array.length === 0) return -Infinity;

	let max = array[0];

	for (let i = 1, l = array.length; i < l; ++i) {
		if (array[i] > max) max = array[i];
	}

	return max;
}

const TYPED_ARRAYS = {
	Int8Array: Int8Array,
	Uint8Array: Uint8Array,
	Uint8ClampedArray: Uint8ClampedArray,
	Int16Array: Int16Array,
	Uint16Array: Uint16Array,
	Int32Array: Int32Array,
	Uint32Array: Uint32Array,
	Float32Array: Float32Array,
	Float64Array: Float64Array,
};

function getTypedArray(type, buffer) {
	return new TYPED_ARRAYS[type](buffer);
}

function createElementNS(name) {
	return document.createElementNS('http://www.w3.org/1999/xhtml', name);
}

export { arrayMin, arrayMax, getTypedArray, createElementNS };