example: www.shadertoy.com/view/Dst3D2
click to rotate through hue cycle
if you want a non linear distribution, change line 53 to something like `return pow(min(distToCenter / spokeLength, 1.0), 3.0);` or `return pow(min(distToCenter / spokeLength, 1.0), 0.25);`
the simpler version which is linked on the shadertoy comments, if you change line 63 on that bad boy you can see the distance from the offset center to the boundary parameterized to 0-1
“the spokes”
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