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three-instanced-lod

v1.0.0

Published

用于在 three.js 大量重复物体,根据摄像机视锥范围局部渲染

Downloads

4

Readme

three-instanced-lod

用于在 three.js 大量重复物体,根据摄像机视锥范围局部渲染,使用了 instanced meshthree-mesh-bvh

Demo

安装

# yarn
yarn add three-instanced-lod

# npm
npm install three-instanced-lod

使用

import { InstancedLOD, flatMeshs } from 'three-instanced-lod';

const instancedLOD = new InstancedLOD({

    // 必填,用户实例化的 mesh,为 Mesh 数组, 可使用 flatMeshs 转换模型。
    meshs: [],

    // 必填,所有的位置信息,使用 Float32Array,三个数字一组,分别表示x y z.
    positions: [],

    // 所有的旋转信息,同 positions,旋转顺序为 xyz.
    rotations: [],

    // 所有的缩放信息,同 positions.
    scales: [],

    // 渲染最远距离,此距离以内物体将按距离控制渲染数量,大于此距离将不渲染
    maxDistance: 100,

    // 最近距离,此距离以内物体将全量渲染
    minDistance: 10,

    // 实例最大数量,如果数值设置较小,
    // 且最大距离设置的较远,视野范围内物体数量较多
    // 则有可能导致视野范围内物体无法全部渲染
    maxCount: 10000

})

License

MIT