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@bgolus
bgolus / InfiniteGrid.shader
Last active November 20, 2024 01:20
Infinite Grid shader with procedural grid with configurable divisions and major and minor lines markings.
Shader "Unlit/InfiniteGrid"
{
Properties
{
[Toggle] _WorldUV ("Use World Space UV", Float) = 1.0
_GridScale ("Grid Scale", Float) = 1.0
_GridBias ("Grid Bias", Float) = 0.5
_GridDiv ("Grid Divisions", Float) = 10.0
_BaseColor ("Base Color", Color) = (0,0,0,1)
_LineColor ("Line Color", Color) = (1,1,1,1)
@CoryBloyd
CoryBloyd / SDLblit.cpp
Last active April 17, 2025 17:18
Minimal code to set up a window in SDL and blit from CPU RAM to the window
// This work (SDLblit.cpp, by Cory Bloyd) is free of known copyright restrictions.
// https://creativecommons.org/publicdomain/zero/1.0/
#include <SDL.h>
inline uint32_t argb(uint8_t a, uint8_t r, uint8_t g, uint8_t b) { return (a<<24) | (r << 16) | (g << 8) | (b << 0); }
int main(int argc, char *argv[]) {
SDL_Init(SDL_INIT_VIDEO);
SDL_Rect screenRect = { 0,0,1024,1024 };
@irazasyed
irazasyed / reset_id_column.sql
Last active August 10, 2025 20:15
MySQL: Reset id column to auto increment from 1
-- your_table: The table to modify
-- id: The id field/column to reset
SET @num := 0;
UPDATE your_table SET id = @num := (@num+1);
ALTER TABLE your_table AUTO_INCREMENT =1;