Attracting particles to the Surface (+hip file)

A force is created along the length of the vector from the position of the particles towards the surface of the object.

Download Scene Hip File

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Wrangle:

vector pos = minpos(1,@P);
vector dir = @P – pos;
//v@N = dir;

float len = length(dir);
//f@len = len;
len = fit(len,chf(“Old_Min”),chf(“Old_Max”),chf(“New_Min”),chf(“New_Max”));

if(@P.y<-0.2) len*=4;

v@force -= dir * len;