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map position on planet, fix wrong riverbed generation

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Mészáros Gergely 2021-09-13 00:12:01 +02:00
parent 1d1cd0bb71
commit b30234e43b
4 changed files with 36 additions and 21 deletions
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28
modules/submap.js
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@ -5,7 +5,7 @@ Experimental submaping module
window.Submap = (function () {
function resample(parentMap, projection, options) {
// generate new map based on (resampling) existing one (parentMap)
// generate new map based on an existing one (resampling parentMap)
// parentMap: {seed, grid, pack} from original map
// projection: map function from old to new coordinates or backwards
// prj(x,y,direction:bool) -> [x',y']
@ -24,7 +24,6 @@ window.Submap = (function () {
applyMapSize();
placePoints();
calculateVoronoi(grid, grid.points);
drawScaleBar();
const resampler = (points, qtree, f) => {
@ -43,13 +42,14 @@ window.Submap = (function () {
grid.cells.prec = new Int8Array(n); // precipitation
const gridCells = parentMap.grid.cells;
const forwardGridMap = parentMap.grid.points.map(_=>[]); // old -> [newcelllist]
// build cache old -> [newcelllist]
const forwardGridMap = parentMap.grid.points.map(_=>[]);
resampler(grid.points, parentMap.pack.cells.q, (id, oldid) => {
const cid = parentMap.pack.cells.g[oldid]
const cid = parentMap.pack.cells.g[oldid];
grid.cells.h[id] = gridCells.h[cid];
grid.cells.temp[id] = gridCells.temp[cid];
grid.cells.prec[id] = gridCells.prec[cid];
if (options.depressRivers) forwardGridMap[oldid].push(id);
if (options.depressRivers) forwardGridMap[cid].push(id);
})
// TODO: add smooth/noise function for h, temp, prec n times
@ -62,9 +62,12 @@ window.Submap = (function () {
// and erode riverbeds
parentMap.pack.rivers.forEach(r =>
r.cells.forEach(oldc => {
r.cells.forEach(oldpc => {
if (oldpc < 0) return; // ignore out of map marker (-1)
const oldc = parentMap.pack.cells.g[oldpc];
const targetCells = forwardGridMap[oldc];
if (!targetCells) throw "TargetCell shouldn't be empty.";
if (!targetCells)
throw "TargetCell shouldn't be empty.";
targetCells.forEach(c => {
if (grid.cells.t[c]<1) return;
rbeds[c] = 1;
@ -79,12 +82,14 @@ window.Submap = (function () {
}
markupGridOcean();
if (options.addLakesInDepressions)
// Warning: addLakesInDeepDepressions can be very slow!
if (options.addLakesInDepressions) {
addLakesInDeepDepressions();
// openNearSeaLakes();
openNearSeaLakes();
}
OceanLayers();
// defineMapSize(); // not needed (not random)
// TODO: update UI inputs before calculating according to new boundaries.
calculateMapCoordinates();
// calculateTemperatures();
// generatePrecipitation();
@ -92,7 +97,6 @@ window.Submap = (function () {
reGraph();
// remove misclassified cells
stage("Define coastline.")
drawCoastline();