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function Install-LinuxToolChain {
<#
.SYNOPSIS
 Downloads and installs the UE4 linux toolchain components.
 
.DESCRIPTION
 Downloads the clang compiler to $ToolChainDestination and creates a
 system-wide environment variable pointing to it.
 
 Afterwards you have to regenerate the UE4 engine project files and

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#!/usr/bin/env node

const { spawn } = require('child_process');
const path = require('path');

// Set the paths where your UE4 is located
const UE4Source = {
	Win: 'D:/Work/github/UnrealEngine',
	Mac: '/Users/Shared/Epic Games/UE_4.20'
};

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#!/bin/bash

set -e

FIND=/usr/bin/find
GIT=/usr/bin/git
XARGS=/usr/bin/xargs
CLANG_FORMAT=/usr/bin/clang-format-6.0

DIRECTORY=%system.target.directory%

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cd Extras/WebhookDemo

# replace secret key
jq -c '.store.secretKey = "'$MYSECRET'"' config.json > tmp.$$.json && mv tmp.$$.json config.json
cat config.json

# run node now 
npm install
#pm2 delete all
#BUILD_ID=dontKillMe pm2 restart bin/www -f

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const float PI = 3.1415926535897932384626433832795;
const float DoublePI = 2.0 * PI;

const float CircleSize = 1.0;
const float SmoothPadding = 0.33;

const float Distance = 0.04;
const float DistanceSteps = 8.0;
const float RadialSteps = 8.0;
const float RadialOffset = 0.5;

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void mainImage( out vec4 fragColor, in vec2 fragCoord )
{
    // 0.5 - 1.5 - 2.5 - 3.5
    KawaseSample(fragColor, fragCoord, 0.5);
}

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Setting up TeamCity 2018 on Ubuntu

Install Java 8

$ sudo add-apt-repository ppa:webupd8team/java
$ sudo apt-get update
$ sudo apt-get install oracle-java8-installer

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struct Functions
{
    float distLine(float2 p, float2 a, float2 b) {
        float2 ap = p - a;
        float2 ab = b - a;
        float aDotB = clamp(dot(ap, ab) / dot(ab, ab), 0.0, 1.0);
        return length(ap - ab * aDotB);
    }

    float drawLine(float2 uv, float2 a, float2 b) {

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float3 BlurColor = Texture2DSample(Tex, TexSampler, UV + float2(Shift, Shift) / Resolution);
BlurColor += Texture2DSample(Tex, TexSampler, UV + float2(Shift, -Shift) / Resolution);
BlurColor += Texture2DSample(Tex, TexSampler, UV + float2(-Shift, Shift) / Resolution);
BlurColor += Texture2DSample(Tex, TexSampler, UV + float2(-Shift, -Shift) / Resolution);
BlurColor /= 4.0;

return BlurColor;