sneha-belkhale

float hash (float2 n)
{
    return frac(sin(dot(n, float2(123.456789, 987.654321))) * 54321.9876 );
}

float noise(float2 p)
{
    float2 i = floor(p);
    float2 u = smoothstep(0.0, 1.0, frac(p));
    float a = hash(i + float2(0,0));

xem

Conventions

• A = [xA, yA] is a point on the 2D plane. Same for B, C, ...
• lengths are in any unit (ex: pixels)
• code snippets are in JavaScript

Degrees to radians

angleRad = angleDeg * Math.PI / 180;

colour_ring.pde

// by davey whyte aka @beesandbombs

void setup(){
  size(600,520,P3D);
  colorMode(HSB,1);
  noStroke();
}

float R = 160, r = 55;
int N = 720;

jimbojsb

Step 0:

Get Homebrew installed on your mac if you don't already have it

Step 1:

Install highlight. "brew install highlight". (This brings down Lua and Boost as well)

Step 2: