backups/Fantasy-Map-Generator
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v 0.8.14b

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Azgaar 2019-05-04 20:12:47 +03:00
parent edc3fc1826
commit f81fd8a94c
8 changed files with 100 additions and 41 deletions
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57
modules/heightmap-generator.js
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@ -174,9 +174,40 @@
addStep("Trough", "3-4", "25-35", "5-95", "80-90");
addStep("Range", "5-6", "30-40", "10-90", "35-65");
}
function getBlobPower() {
switch (+densityInput.value) {
case 1: return .98;
case 2: return .985;
case 3: return .987;
case 4: return .9892;
case 5: return .9911;
case 6: return .9921;
case 7: return .9934;
case 8: return .9942;
case 9: return .9946;
case 10: return .995;
}
}
function getLinePower() {
switch (+densityInput.value) {
case 1: return .81;
case 2: return .82;
case 3: return .83;
case 4: return .84;
case 5: return .855;
case 6: return .87;
case 7: return .885;
case 8: return .91;
case 9: return .92;
case 10: return .93;
}
}
const addHill = function(count, height, rangeX, rangeY) {
count = getNumberInRange(count);
const power = getBlobPower();
while (count >= 1 || Math.random() < count) {addOneHill(); count--;}
function addOneHill() {
@ -198,7 +229,7 @@
for (const c of cells.c[q]) {
if (change[c]) continue;
change[c] = change[q] ** .98 * (Math.random() * .2 + .9);
change[c] = change[q] ** power * (Math.random() * .2 + .9);
if (change[c] > 1) queue.push(c);
}
}
@ -227,7 +258,7 @@
const queue = [start];
while (queue.length) {
const q = queue.shift();
h = h ** .98 * (Math.random() * .2 + .9);
h = h ** getBlobPower() * (Math.random() * .2 + .9);
if (h < 1) return;
cells.c[q].forEach(function(c, i) {
@ -242,13 +273,14 @@
const addRange = function(count, height, rangeX, rangeY) {
count = getNumberInRange(count);
while (count >= 1 || Math.random() < count) {addOneRange(); count--;}
const power = getLinePower();
while (count >= 1 || Math.random() < count) {addOneRange(); count--;}
function addOneRange() {
const used = new Uint8Array(cells.h.length);
let h = lim(getNumberInRange(height));
// find start and end points
// find start and end points
const startX = getPointInRange(rangeX, graphWidth);
const startY = getPointInRange(rangeY, graphHeight);
@ -260,7 +292,7 @@
limit++;
} while ((dist < graphWidth / 8 || dist > graphWidth / 3) && limit < 50)
let range = getRange(findGridCell(startX, startY), findGridCell(endX, endY));
let range = getRange(findGridCell(startX, startY), findGridCell(endX, endY));
// get main ridge
function getRange(cur, end) {
@ -291,11 +323,11 @@
frontier.forEach(i => {
cells.h[i] = lim(cells.h[i] + h * (Math.random() * .3 + .85));
});
h = h ** .82 - 1;
h = h ** power - 1;
if (h < 2) break;
frontier.forEach(f => {
cells.c[f].forEach(i => {
if (!used[i]) {queue.push(i); used[i] = 1;}
if (!used[i]) {queue.push(i); used[i] = 1;}
});
});
}
@ -316,13 +348,14 @@
const addTrough = function(count, height, rangeX, rangeY) {
count = getNumberInRange(count);
while (count >= 1 || Math.random() < count) {addOneTrough(); count--;}
const power = getLinePower();
while (count >= 1 || Math.random() < count) {addOneTrough(); count--;}
function addOneTrough() {
const used = new Uint8Array(cells.h.length);
let h = lim(getNumberInRange(height));
// find start and end points
// find start and end points
let limit = 0, startX, startY, start, dist = 0, endX, endY;
do {
startX = getPointInRange(rangeX, graphWidth);
@ -370,11 +403,11 @@
frontier.forEach(i => {
cells.h[i] = lim(cells.h[i] - h * (Math.random() * .3 + .85));
});
h = h ** .8 - 1;
h = h ** power - 1;
if (h < 2) break;
frontier.forEach(f => {
cells.c[f].forEach(i => {
if (!used[i]) {queue.push(i); used[i] = 1;}
if (!used[i]) {queue.push(i); used[i] = 1;}
});
});
}
@ -405,7 +438,7 @@
const start = findGridCell(startX, startY), end = findGridCell(endX, endY);
let range = getRange(start, end);
const query = [];
const query = [];
function getRange(cur, end) {
const range = [];