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Jim B d3x0r
d3x0r
/ Marching-tets.md
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January 5, 2024 08:10
Marching tetrahedrons; Marching Diamond Crystal Lattice; Marching Cubes/Sliced into 5 Tetrahedrons
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| cmake_minimum_required(VERSION 3.1) | |
| PROJECT( test ) | |
| add_executable( test_hide_cursor test_cursors.cc ) | |
| add_executable( test_wait_cursor test_wait.cc ) |
d3x0r
/ C.dot.arrow.md
Last active
April 2, 2023 03:41
A proposal for extending C to allow `.` operator to perform indirection of a pointer.
| Document number | Nnnnn=yy-nnnn |
| Date: | yyyy-mm-dd |
| Project | WG14 - Programming Language C Working Group(?) |
| Reply-to | d3x0r < d3ck0r at gmail > |
d3x0r
/ script.js
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April 13, 2022 18:23
— forked from onosendi/script.js
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| function sleep() { | |
| return new Promise((resolve) => { | |
| setTimeout(resolve, 2000); | |
| }); | |
| } | |
| async function foo() { | |
| while(1) { | |
| const bar = // really big array | |
| await sleep(); |
Some of my projects.
- SACK
- Dekware Info ; old mud client, uses SACK's abstract GUI and networking, and procedure/function registration system... (Other documents found here) https://github.com/d3x0r/SACK/tree/master/src/games/dekware/doc
- Intershell No doc there; documents at: https://docs.google.com/document/d/1uQuvEkRELwFsOBy3aTBlZvbVT5Mk4Vh6vEqJhhzdJOk https://docs.google.com/document/d/1M_mLwNXkJJJdUysfds5LOO18H3RASc50n2viK3HSKsU https://drive.google.com/file/d/0B812EYiKwtkkOXhDb2EtSHp3ZGc .
- sack.vfs - Node.js bindings to SACK to expose virtual file systems, websockets, HTTP sockets, raw sockets, sound, USB, COM Port, Sqlite and ODBC, ...
d3x0r
/ panthers_c_preprocessor.c
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January 23, 2021 05:52
This is portable a C preprocessor written in low level C.
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| // make #if conditions spanning files a warning... | |
| // also unbalanced #endif statements.... | |
| #ifndef __GCC__ | |
| //#include <conio.h> | |
| #endif | |
| #if defined( _WIN32 ) | |
| // getmodulefilename | |
| #include <windows.h> | |
| #include <direct.h> | |
| #endif |
d3x0r
/ C++.dot.arrow.md
Last active
August 1, 2020 20:41
A proposal for extending C++ to allow `.` operator to perform indirection of a pointer.
| Document number | P2142R1 |
| Date: | 2020-05-08 |
| Audience | SG17 EWG Incubator |
| Reply-to | James (Jim) Buckeyne < d3ck0r at gmail > (AKA d3x0r https://github.com/d3x0r) |
d3x0r
/ AAA-Matrix.md
Last active
July 8, 2020 07:21
Discussion regarding matrix composition from angle-angle-angle vectors
This is an alternative method to get a basis from a quaternion (log quaternion)... or from angle/angle/angle.
This is built by rotating the constant vectors (1,0,0), (0,1,0), (0,0,1) via standard quaternion
rotation, and reducing common factors. The 0s and 1s collapse out a lot of the terms of
apply. It ends up being less work to get the 3 vector basis than to rotate a single point;
although if you USE the basis to multiply with the point; that increases the work to excess of
just rotating a vector directly...
This is the base form... the steps will be broken out for phases of substitution. As implemented here https://github.com/d3x0r/STFRPhysics/blob/master/3d/src/dual-quat.js#L347
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| // this = { x: xAngle, y:yAngle, z:zAngle, nL: |x|+|y|+|z|, nR:sqrt( xx+yy+zz ) } | |
| // nR = normRectangular | |
| // nL = normLinear | |
| function twistQuaternion(theta) { | |
| // function getBasis() { // computes xyz basis vectors (matrix) | |
| // this is angle-angle-angle log-quaternion |
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