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separete rivere rendering from generation

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Azgaar 2021-07-24 18:42:10 +03:00
parent d9d349f3a1
commit dbcf46f83b
6 changed files with 71 additions and 68 deletions
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26
modules/ui/tools.js
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@ -538,7 +538,7 @@ function addRiverOnClick() {
if (cells.h[i] < 20) return tip("Cannot create river in water cell", false, "error");
if (cells.b[i]) return;
const {alterHeights, resolveDepressions, addMeandering, getRiverPath, getBasin, getName, getType} = Rivers;
const {alterHeights, resolveDepressions, addMeandering, getRiverPath, getBasin, getName, getType, getWidth, getOffset, getApproximateLength} = Rivers;
const riverCells = [];
let riverId = last(rivers).id + 1;
let parent = 0;
@ -614,22 +614,15 @@ function addRiverOnClick() {
}
const river = rivers.find(r => r.i === riverId);
const widthFactor = river?.widthFactor || (!parent || parent === riverId ? 1.2 : 1);
const riverMeandered = addMeandering(riverCells);
lineGen.curve(d3.curveCatmullRom.alpha(0.1));
const [path, length, offset] = getRiverPath(riverMeandered, widthFactor);
viewbox
.select("#rivers")
.append("path")
.attr("d", path)
.attr("id", "river" + riverId);
// add new river to data or change extended river attributes
const source = riverCells[0];
const mouth = riverCells[riverCells.length - 2];
const widthFactor = river?.widthFactor || (!parent || parent === riverId ? 1.2 : 1);
const riverMeandered = addMeandering(riverCells);
const discharge = cells.fl[mouth]; // m3 in second
const width = rn((offset / 1.4) ** 2, 2); // mounth width in km
const length = getApproximateLength(riverMeandered);
const width = getWidth(getOffset(discharge, riverMeandered.length, widthFactor));
if (river) {
river.source = source;
@ -645,6 +638,13 @@ function addRiverOnClick() {
rivers.push({i: riverId, source, mouth, discharge, length, width, widthFactor, sourceWidth: 0, parent, cells: riverCells, basin, name, type});
}
// render river
lineGen.curve(d3.curveCatmullRom.alpha(0.1));
const path = getRiverPath(riverMeandered, widthFactor);
const id = "river" + riverId;
const riversG = viewbox.select("#rivers");
riversG.append("path").attr("d", path).attr("id", id);
if (d3.event.shiftKey === false) {
Lakes.cleanupLakeData();
unpressClickToAddButton();