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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) =
[
for(i = 0, j = 1; i < leng; i = i + 1, j = j + 1)
for(i = 0; i < leng; i = i + 1)
let(
node = nodes[i],
nxNode = nodes[j % leng]
nxNode = nodes[(i + 1) % leng]
)
each [node, if(suitableForGrowth(node, nxNode)) growNode(node, nxNode)]
];
function allSeperationFrom(nodes, leng, node, n) = [
for(j = n; j < leng; j = j + 1)
seperationFrom(node, nodes[j])
for(j = n; j < leng; j = j + 1) seperationFrom(node, nodes[j])
];
function updateAllSeperation(allSeperation, allSeperationFrom_i_1) =
let(leng = len(allSeperationFrom_i_1))
[
for(k = 0; k < leng; k = k + 1)
allSeperation[k + 1] - allSeperationFrom_i_1[k]
];
function updateAllSeperation(allSeperation, allSeperationFromj) =
let(leng = len(allSeperationFromj))
[for(k = 1; k <= leng; k = k + 1) allSeperation[k]] - allSeperationFromj;
function differentiate(nodes, leng) =
let(ZERO_VT = ZERO_VTS[len(position_of(nodes[0]))])
[
for(i = 0,
j = 1,
allSeperationFrom_i_1 = allSeperationFrom(nodes, leng, nodes[i], j),
allSep = [ZERO_VT, each -allSeperationFrom_i_1],
running = i < leng;
running;
allSeperationFromj = allSeperationFrom(nodes, leng, nodes[i], i + 1),
allSep = [ZERO_VT, each -allSeperationFromj];
i < leng;
i = i + 1,
j = j + 1,
running = i < leng,
allSep = running ? updateAllSeperation(allSep, allSeperationFrom_i_1) : undef,
allSeperationFrom_i_1 = running ? allSeperationFrom(nodes, leng, nodes[i], j) : undef
allSep = updateAllSeperation(allSep, allSeperationFromj),
allSeperationFromj = allSeperationFrom(nodes, leng, nodes[i], i + 1)
)
applyForceTo(
nodes[i],
sum([allSep[0], each allSeperationFrom_i_1]),
allSeperationFromj == [] ? allSep[0] : allSep[0] + sum(allSeperationFromj),
cohesion(nodes, leng, i)
)
];