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| // User parameters added to attribute wrangle parameter interface | |
| int walkers = chi("walkers"); | |
| int steps = chi("steps"); // Placing $F in steps, each walker will grow during playback | |
| vector step = chv("step"); | |
| int connectPoints = chi("connect"); | |
| vector direct = {0,1,0}; | |
| vector offset = 0.5; | |
| vector rand = 0.0; | |
| vector stepinc = 0.0; | |
| for (int j = 0; j < walkers; j++){ | |
| rand = 0.0; | |
| for(int i = 0; i < steps; i++){ | |
| direct = rand(i) - offset; | |
| stepinc = rand(i) + step; | |
| rand += direct * (random(i+j) - offset) * stepinc; | |
| vector newPos = rand; | |
| i@pt = addpoint(geoself(), newPos); | |
| if(connectPoints && i > 0){ | |
| int prim = addprim(geoself(), "polyline"); | |
| addvertex(geoself(), prim, @pt-1); | |
| addvertex(geoself(), prim, @pt); | |
| } | |
| } | |
| } |
