| index : btroops | |
| Virtual board game-aid for BattleTroops, an infantry combat simulator wargame published by FASA in 1989. |
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| author | Catalin Mititiuc <webdevcat@proton.me> | 2024-07-25 17:21:31 -0700 |
|---|---|---|
| committer | Catalin Mititiuc <webdevcat@proton.me> | 2024-07-25 17:21:31 -0700 |
| commit | 4be3df2bddf9466321b0785c2df15ce487a87a07 (patch) | |
| tree | 2afb0b884aec9e8de63e40d6c7a6e8f347e9a4f5 /src/modules | |
| parent | 00581b900f0f1d0dc6e972f80daa8438000115e3 (diff) | |
Fix distance calculation
Diffstat (limited to 'src/modules')
| -rw-r--r-- | src/modules/gameboard.js | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/src/modules/gameboard.js b/src/modules/gameboard.js index 4d6790a..693c783 100644 --- a/src/modules/gameboard.js +++ b/src/modules/gameboard.js @@ -90,33 +90,39 @@ function clearSightLine() { Observable.notify('distance'); } -function getSightLineHexes(source, target) { +function calcSightLineIndexes(source, target) { const { q: sq, r: sr, s: ss } = source.dataset; const { q: tq, r: tr, s: ts } = target.dataset; const sourceIndex = { q: +sq, r: +sr, s: +ss }; const targetIndex = { q: +tq, r: +tr, s: +ts }; - const selector = sightLine - .calcIndexes(sourceIndex, targetIndex) + return sightLine.calcIndexes(sourceIndex, targetIndex); +} + +function getSightLineHexes(indexes) { + const selector = indexes .map(({ q, r, s }) => `g[data-q="${q}"][data-r="${r}"][data-s="${s}"] use[href="#hex"]`) .join(', '); return svg.querySelectorAll(selector); } -function updateSightLine(cell) { - const hexes = getSightLineHexes(cell, sightLine.getLockTarget()); +function calcSightLine(source, target) { + const indexes = calcSightLineIndexes(source, target); + const hexes = getSightLineHexes(indexes); sightLine.setHexes(hexes); + Observable.notify('distance', indexes.length - 1); +} + +function updateSightLine(cell) { + calcSightLine(cell, sightLine.getLockTarget()); sightLine.update(getCellPosition(cell)); - Observable.notify('distance', hexes.length - 1); } function drawSightLine(sourceCell, targetCell) { - const hexes = getSightLineHexes(sourceCell, targetCell); - sightLine.setHexes(hexes); + calcSightLine(sourceCell, targetCell) const line = sightLine.create(getCellPosition(sourceCell), getCellPosition(targetCell)); svg.querySelector('.gameboard').appendChild(line); - Observable.notify('distance', hexes.length - 1); } function moveBackOneStepInHistory(counter) { |