@openhps/core
Version:
Open Hybrid Positioning System - Core component
50 lines (48 loc) • 1.89 kB
JavaScript
import StorageInstancedBufferAttribute from '../../renderers/common/StorageInstancedBufferAttribute.js';
import StorageBufferAttribute from '../../renderers/common/StorageBufferAttribute.js';
import { storage } from './StorageBufferNode.js';
import { getLengthFromType, getTypedArrayFromType } from '../core/NodeUtils.js';
/**
* TSL function for creating a storage buffer node with a configured `StorageBufferAttribute`.
*
* @tsl
* @function
* @param {number|TypedArray} count - The data count. It is also valid to pass a typed array as an argument.
* @param {string|Struct} [type='float'] - The data type.
* @returns {StorageBufferNode}
*/
export const attributeArray = (count, type = 'float') => {
let itemSize, typedArray;
if (type.isStruct === true) {
itemSize = type.layout.getLength();
typedArray = getTypedArrayFromType('float');
} else {
itemSize = getLengthFromType(type);
typedArray = getTypedArrayFromType(type);
}
const buffer = new StorageBufferAttribute(count, itemSize, typedArray);
const node = storage(buffer, type, count);
return node;
};
/**
* TSL function for creating a storage buffer node with a configured `StorageInstancedBufferAttribute`.
*
* @tsl
* @function
* @param {number|TypedArray} count - The data count. It is also valid to pass a typed array as an argument.
* @param {string|Struct} [type='float'] - The data type.
* @returns {StorageBufferNode}
*/
export const instancedArray = (count, type = 'float') => {
let itemSize, typedArray;
if (type.isStruct === true) {
itemSize = type.layout.getLength();
typedArray = getTypedArrayFromType('float');
} else {
itemSize = getLengthFromType(type);
typedArray = getTypedArrayFromType(type);
}
const buffer = new StorageInstancedBufferAttribute(count, itemSize, typedArray);
const node = storage(buffer, type, count);
return node;
};