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dbechrd / ecs.cpp
Last active December 19, 2023 22:06
Yet Another ECS
enum CompType {
struct Comp_Name {
static const CompType type = COMP_NAME;
std::string name {};
dbechrd / 20230108_dbechrd_sdl2_quick_reference.c
Last active March 4, 2024 01:33
SDL 2 API Quick Reference
Moved to:
Shortened script for this video:
Create a new project
Empty project
Project name: Square
I like to put all of my source code in a "Development" folder
Leave Solution name blank
Ensure the "Place solution and project in the same directory" box is checked
I usually just delete the default filters. They cause confusion because they're not one-to-one with the actual files on disk.
dbechrd / pbd.cpp
Created November 27, 2022 03:09
Position based dynamics.. I tried.. I failed
static void collision_broadphase(ta_rigid_body_pair **pairs, ta_rigid_body *rigid_bodies, double dt)
// Box2D supports 16 collision categories. For each fixture you can_body
// specify which category it belongs to. You also specify what other
// categories this fixture can_body collide with.
// if ((categoryA & maskB) != 0 && (categoryB & maskA) != 0)
// Collision groups let you specify an integral group index. You can_body
// have all fixtures with the same group index always collide
#ifndef DLB_RAND_H
#define DLB_RAND_H
// Copyright 2021 Dan Bechard
// Contains 3rd party code, see additional copyright notices below.
//-- header --------------------------------------------------------------------
dbechrd / windows_leaner_and_meaner.h
Created September 1, 2022 20:29
How to include Windows.h with only timer functionality
// -- windows.h flags --
#define NOMENUS
#define NOICONS
# OS generated files
# Build Folders (you can keep bin if you'd like, to store dlls and pdbs)
dbechrd / ini_parser.cpp
Created June 23, 2022 03:30
Simple INI parser
#include <cassert>
#include <cstdio>
#include <cstdlib>
#include <vector>
struct buffer {
char *data;
int length;
// Read file as binary, but append \0 to the end of the buffer
// filename: name of file to read
// buf : if file read successfully, this will be set to a pointer to the file contents on the heap
// len : if file read successfully, this will be set to the file length
// Returns 0 on success, negative error code on failure (see stderr for more info)
// WARN: you must free(buf) when you're done with it!!
int ta_file_read_all(const char *filename, char **buf, size_t *len)
dbechrd /
Created February 23, 2022 22:35
Game of Life
# Copyright 2022 Ben Groves & Dan Bechard @
# MIT License
import os
import time
import random
from copy import deepcopy
def create_board(size):
board = [[0] * size for i in range(size)]