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refactor

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This commit is contained in:
Justin Lin
2021-03-13 20:19:09 +08:00
parent 95d892b45a
commit 5d80249325
1 changed files with 22 additions and 9 deletions
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31
src/experimental/tiles_wfc.scad
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@@ -44,18 +44,31 @@ function _weightsOfTiles(weights, symbols, leng, i = 0) =
w == undef ?
_weightsOfTiles(hashmap_put(weights, tile, 1), symbols, leng, i + 1) :
_weightsOfTiles(hashmap_put(weights, tile, w + 1), symbols, leng, i + 1);
function initialEigenstates(width, height, weights) =
/*
oo-style
wave_function(width, height, weights)
- wf_width(wf)
- wf_height(wf)
- wf_weights(wf)
- wf_eigenstates(wf)
- wf_eigenstates_at(wf, x, y)
- wf_isAllCollapsed(wf)
- wf_remove(wf, x, y, removedStates)
- wf_collapse(wf, x, y)
- wf_entropy(wf, x, y)
*/
function wave_function(width, height, weights) =
[width, height, weights, _initialEigenstates(width, height, weights)];
function _initialEigenstates(width, height, weights) =
let(
keys = hashmap_keys(weights),
row = [for(x = [0:width - 1]) keys]
)
[for(y = [0:height - 1]) row];
// wave function
function waveFunction(width, height, weights) =
[width, height, weights, initialEigenstates(width, height, weights)];
function wf_width(wf) = wf[0];
function wf_height(wf) = wf[1];
function wf_weights(wf) = wf[2];
@@ -99,6 +112,7 @@ function _wf_collapse(wf, x, y, states_weights, leng, threshold, i = 0) =
function _oneStateAt(wf, x, y, state) = _replaceStatesAt(wf, x, y, [state]);
// Shannon entropy
function wf_entropy(wf, x, y) =
let(
states = wf_eigenstates_at(wf, x, y),
@@ -147,13 +161,12 @@ function _replaceStatesAt(wf, x, y, states) =
width = len(sample[0]);
height = len(sample);
weights = weightsOfTiles(sample);
wf = waveFunction(width, height, weights);
weights = weightsOfTiles(sample);
wf = wave_function(width, height, weights);
assert(wf_width(wf) == width);
assert(wf_height(wf) == height);
assert(wf_eigenstates(wf) == initialEigenstates(width, height, weights));
assert(wf_isAllCollapsed(wf) == false);
assert(wf_remove(wf, 0, 0, []) == wf);
assert(wf_eigenstates_at(wf_remove(wf, 0, 0, ["CE"]), 0, 0) == ["C0", "C1", "CS", "C2", "C3", "S", "CW", "CN", "L"]);