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import { _decorator, Component, Node, renderer, director, Material, GFXPrimitiveMode, Mesh, GFXBufferUsageBit, GFXMemoryUsageBit, Mat4, Vec3, IGFXAttribute, GFXFormat, GFXAttributeName, Scene, GFXBuffer, GFXComparisonFunc } from 'cc';

type RenderingSubMesh = Parameters<renderer.Model['initSubModel']>[1];

class VisualRelations {
    private _buffer: Float32Array;
    private _relationIndices: number[] = [];
    private _watchedNodes: Node[] = [];
    private _minPos: Vec3 = new Vec3();
    private _maxPos: Vec3 = new Vec3();

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An animation system for Cocos Creator(3D): NewGenAnim

Introduction

This article introduces an animation system for Cocos Creator(3D). "NewGenAnim" is its name during development.

Motivation

:)

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const shaderTypes: [number, string][] = [
    [gl.VERTEX_SHADER, 'Vertex shader'],
    [gl.FRAGMENT_SHADER, 'Fragment shader'],
];
const precisionTypes: [number, string][] = [
    [gl.HIGH_FLOAT, 'High float'],
    [gl.MEDIUM_FLOAT, 'Medium float'],
    [gl.LOW_FLOAT, 'Low float'],
    [gl.HIGH_INT, 'High int'],
    [gl.MEDIUM_INT, 'Medium int'],

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在 spawn(command, args, options) 时， 若 options 指定了 shell: true ，将用 shell 来启动目标进程； 否则，（在 Windows 上）将直接调用 command 来创建进程。

一个重要的差别就是 shell 会处理执行参数 args，例如，（在 Windows 上）解释引号：

spawn(command, ['"<含有空格的路径>"'], { shell: true })

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interface IVec2 {
    x: number;
    y: number;
}

interface IBounds {
    min: IVec2;
    max: IVec2;

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class Vec2 {
    public int x = 0;
    public int y = 0;
    public Vec2(int p_x, int p_y) {
        this.x = p_x;
        this.y = p_y;
    }
    public Vec2 copy() {
        return new Vec2(this.x, this.y);

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pbjs

执行以下命令生成协议 .js 文件：

pbjs --target static-module --wrap commonjs --out <.js 输出路径> <.proto 输入路径，可为通配符>

pbts

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const { link, copy, ensureDir, stat, readdir, realpath, symlink } = require('fs-extra');
const { relative, join } = require('path');

(async () => {
    await myCopy(
        String.raw`X:\Temp\editor-ci-build-test\editor-3d\app`,
        // String.raw`X:\Temp\6`,
        String.raw`X:\Temp\editor-ci-build-test\editor-3d\.publish\CocosCreator\resources\app`,
    );
})();

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• elementary

• rudimentary

• feasible

• viable

• impair

• interconnect

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也就是说，下面两种算法是等价的，我们不需要遍历两遍：

// 预先累加权重和
function blend(samples: ReadonlyArray<readonly [value: number, weight: number]>) {
  let result = 0.0;
  let sumWeights = 0.0;
  for (const [v, w] of samples) {