TheRealMJP

// The following code is licensed under the MIT license: https://gist.github.com/TheRealMJP/bc503b0b87b643d3505d41eab8b332ae

// Samples a texture with Catmull-Rom filtering, using 9 texture fetches instead of 16.
// See http://vec3.ca/bicubic-filtering-in-fewer-taps/ for more details
float4 SampleTextureCatmullRom(in Texture2D<float4> tex, in SamplerState linearSampler, in float2 uv, in float2 texSize)
{
    // We're going to sample a a 4x4 grid of texels surrounding the target UV coordinate. We'll do this by rounding
    // down the sample location to get the exact center of our "starting" texel. The starting texel will be at
    // location [1, 1] in the grid, where [0, 0] is the top left corner.
    float2 samplePos = uv * texSize;

nothings

#### Are there other single-file public-domain libraries out there?

Yes. Here are some:

- [nanoSVG](https://github.com/memononen/nanosvg): 1-file SVG parser; 1-file SVG rasterizer (zlib license)
- [DG_misc.h](https://github.com/DanielGibson/Snippets/): Daniel Gibson's stb.h-esque cross-platform helpers: path/file, strings (public domain)
- [jo_gif.cpp](http://www.jonolick.com/home/gif-writer): tiny GIF writer (public domain)
- [gif.h](https://github.com/ginsweater/gif-h): animated GIF writer (public domain)
- [MakeID.h](http://www.humus.name/3D/MakeID.h): allocate/deallocate small integer IDs efficiently (public domain)

LearnCocos2D

For background and further references see: Entity Component Systems on Wikipedia

ECS by Scott Bilas (GDC 2002)

Entity->Components->Update

• entity = class: no logic + no data OR at most small set of frequently used data (ie position)
• component = class: logic + data

foreach entity in allEntities do
    foreach component in entity.components do

gafferongames

/* 
    Delta Compression by Glenn Fiedler. 
    This source code is placed in the public domain.
    http://gafferongames.com/2015/03/14/the-networked-physics-data-compression-challenge/
*/

#include <stdint.h>
#include <stdio.h>
#include <assert.h>
#include <string.h>

adamgreig

Embedded Rust on STM32F4

My notes from implementing Job Vranish's excellent guide.

Follow along with the guide above, getting rustc from rustup or similar:

rustc 1.0.0-nightly (dcaeb6aa2 2015-01-18 11:28:53 +0000)
binary: rustc
commit-hash: dcaeb6aa23ecba2dc2af870668a9239136d20fa3

commit-date: 2015-01-18 11:28:53 +0000

dobrokot

import sys, re

# convert lispy-like language to 'lambda-man' ICFP2014 assembler.
# output is JavaScript, loaded in browser

def parse(s, i):
    node = []
    while 1:
        while i < len(s) and (s[i] == ' ' or s[i] == '\n' or s[i] == '\r' or s[i] == '\t'):
            i = i+1

JanJakes

Ubuntu with Nginx, uWSGI & Node.js and it's deployment

This Gist contains instructions to setup Ubuntu server with Nginx, uWSGI & Node.js with that can serve for any Python apps (Django for instance) and will allow it's automatized deployment.

The content is as follows:

• 01-ubuntu.md – A basic Ubuntu server setup.
• 02-nginx-uwsgi-nodejs.md – Nginx, uWSGI and Node.js installation and setup.
• 03-deployment.md – A server setup for automatized deployment.
• 04-mariadb.md – Mariadb installation and setup.

yihuang

CPU:	Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz (X8)
OS:	debian7
PYTHON:	python2.7.3
GEVENT:	gevent-1.0rc1
UWSGI:	1.9.15-dev

hello world

3noch

#pragma once

#include <boost/optional.hpp>


/**
 * Wraps any value with a context of Left for the Either class.
 *
 * By convention, Left represents some sort of less-desired condition.
 */

sigman78

#!/usr/bin/env python

"""l15decode.py: L15 image format decoder."""

import os, sys
from time import time
import array

NUMPY = False
try: