lee's public fiddles

(test2) math expr visualizer
another approach

(unfinished) math expr visualizer
evaluate a math expression in string and visualize the calculation process with tree

Marching Square
simple marching square code that is almost like a draft... lol

angle in clockwise
angle system is always confusing... calculates angle from a point P to a point Q, in clockwise direction. The result ranges from 0 to 2pi.

expression expander
λ€νμ μ κ°ν΄μ£Όλ μκ³ λ¦¬μ¦ A algorithm that adds, multiplies any polynomials, and return the expanded expression

keychain system
μ‘μ κ²μμμ μ½€λ³΄ μ λ ₯μ μν μμ€ν "chained key input" processor for action games

IK: footing on curve
IK application

requestAnimationFrame test
I didn't know that this function exists...

IK basic
NoLibrary (pure JS), HTML, CSS, JavaScript

Finding Convex Hull
There is a bug and I'm aware of... it will be fixed soon

WebGL study 2
making a surface from rational curve

WebGL study 1
just a red triangle

Langford Sequence Generator 2
Optimization step 1

Langford Sequence Generator
It crushes even for N = 11... Optimization needed

flood fill
test

Deep Into Mandelbrot Set 2
Big number challenge big number is really... too slow!

Gosper's Hack
test

pathfinding2
waypoint map version

pathfinding
unfinished

Crosshatch
NoLibrary (pure JS), HTML, CSS, JavaScript