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optimization

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Justin Lin
2022-05-29 16:19:59 +08:00
parent a46e75c672
commit c7ea5b384b
1 changed files with 12 additions and 20 deletions
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32
src/experimental/_impl/_differential_line_growth.scad
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@@ -67,44 +67,36 @@ function cohesion(nodes, leng, i) =
function grow(nodes, leng) = function grow(nodes, leng) =
[ [
for(i = 0, j = 1; i < leng; i = i + 1, j = j + 1) for(i = 0; i < leng; i = i + 1)
let( let(
node = nodes[i], node = nodes[i],
nxNode = nodes[j % leng] nxNode = nodes[(i + 1) % leng]
) )
each [node, if(suitableForGrowth(node, nxNode)) growNode(node, nxNode)] each [node, if(suitableForGrowth(node, nxNode)) growNode(node, nxNode)]
]; ];
function allSeperationFrom(nodes, leng, node, n) = [ function allSeperationFrom(nodes, leng, node, n) = [
for(j = n; j < leng; j = j + 1) for(j = n; j < leng; j = j + 1) seperationFrom(node, nodes[j])
seperationFrom(node, nodes[j])
]; ];
function updateAllSeperation(allSeperation, allSeperationFrom_i_1) = function updateAllSeperation(allSeperation, allSeperationFromj) =
let(leng = len(allSeperationFrom_i_1)) let(leng = len(allSeperationFromj))
[ [for(k = 1; k <= leng; k = k + 1) allSeperation[k]] - allSeperationFromj;
for(k = 0; k < leng; k = k + 1)
allSeperation[k + 1] - allSeperationFrom_i_1[k]
];
function differentiate(nodes, leng) = function differentiate(nodes, leng) =
let(ZERO_VT = ZERO_VTS[len(position_of(nodes[0]))]) let(ZERO_VT = ZERO_VTS[len(position_of(nodes[0]))])
[ [
for(i = 0, for(i = 0,
j = 1, allSeperationFromj = allSeperationFrom(nodes, leng, nodes[i], i + 1),
allSeperationFrom_i_1 = allSeperationFrom(nodes, leng, nodes[i], j), allSep = [ZERO_VT, each -allSeperationFromj];
allSep = [ZERO_VT, each -allSeperationFrom_i_1], i < leng;
running = i < leng;
running;
i = i + 1, i = i + 1,
j = j + 1, allSep = updateAllSeperation(allSep, allSeperationFromj),
running = i < leng, allSeperationFromj = allSeperationFrom(nodes, leng, nodes[i], i + 1)
allSep = running ? updateAllSeperation(allSep, allSeperationFrom_i_1) : undef,
allSeperationFrom_i_1 = running ? allSeperationFrom(nodes, leng, nodes[i], j) : undef
) )
applyForceTo( applyForceTo(
nodes[i], nodes[i],
sum([allSep[0], each allSeperationFrom_i_1]), allSeperationFromj == [] ? allSep[0] : allSep[0] + sum(allSeperationFromj),
cohesion(nodes, leng, i) cohesion(nodes, leng, i)
) )
]; ];