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refactor

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This commit is contained in:
Justin Lin
2021-03-13 13:57:57 +08:00
parent cc7d27c6f4
commit ef50ee9178
1 changed files with 9 additions and 28 deletions
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37
src/experimental/tiles_wfc.scad
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@@ -67,31 +67,11 @@ function wf_isAllCollapsed(wf) = every(
function(row) every(row, function(states) len(states) == 1) function(row) every(row, function(states) len(states) == 1)
); );
function wf_remove(wf, x, y, removedStates) = function wf_remove(wf, x, y, removedStates) = _replaceStatesAt(wf, x, y, [
let( for(state = wf_eigenstates_at(wf, x, y))
eigenstates = wf_eigenstates(wf), if(!has(removedStates, state))
rowsBeforeY = slice(eigenstates, 0, y), state
rowY = eigenstates[y], ]);
rowsAfterY = slice(eigenstates, y + 1),
statesBeforeX = slice(rowY, 0, x),
states = rowY[x],
statesAfterX = slice(rowY, x + 1),
newRowY = concat(
statesBeforeX,
[[for(state = states) if(!has(removedStates, state)) state]],
statesAfterX
)
)
[
wf_width(wf),
wf_height(wf),
wf_weights(wf),
concat(
rowsBeforeY,
[newRowY],
rowsAfterY
)
];
function wf_collapse(wf, x, y) = function wf_collapse(wf, x, y) =
let( let(
@@ -117,18 +97,19 @@ function _wf_collapse(wf, x, y, states_weights, leng, threshold, i = 0) =
) )
t < 0 ? _oneStateAt(wf, x, y, state) : _wf_collapse(wf, x, y, states_weights, leng, t, i + 1); t < 0 ? _oneStateAt(wf, x, y, state) : _wf_collapse(wf, x, y, states_weights, leng, t, i + 1);
function _oneStateAt(wf, x, y, state) = function _oneStateAt(wf, x, y, state) = _replaceStatesAt(wf, x, y, [state]);
function _replaceStatesAt(wf, x, y, states) =
let( let(
eigenstates = wf_eigenstates(wf), eigenstates = wf_eigenstates(wf),
rowsBeforeY = slice(eigenstates, 0, y), rowsBeforeY = slice(eigenstates, 0, y),
rowY = eigenstates[y], rowY = eigenstates[y],
rowsAfterY = slice(eigenstates, y + 1), rowsAfterY = slice(eigenstates, y + 1),
statesBeforeX = slice(rowY, 0, x), statesBeforeX = slice(rowY, 0, x),
states = [state],
statesAfterX = slice(rowY, x + 1), statesAfterX = slice(rowY, x + 1),
newRowY = concat( newRowY = concat(
statesBeforeX, statesBeforeX,
[[state]], [states],
statesAfterX statesAfterX
) )
) )