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template editor: allow single value

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Azgaar 2021-06-13 16:42:47 +03:00
parent 2be590ab24
commit e3da664e56
3 changed files with 233 additions and 142 deletions
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368
modules/heightmap-generator.js
View file

@ -1,49 +1,72 @@
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global.HeightmapGenerator = factory());
}(this, (function () { 'use strict';
typeof exports === "object" && typeof module !== "undefined" ? (module.exports = factory()) : typeof define === "function" && define.amd ? define(factory) : (global.HeightmapGenerator = factory());
})(this, function () {
"use strict";
let cells, p;
const generate = function() {
TIME && console.time('generateHeightmap');
cells = grid.cells, p = grid.points;
const generate = function () {
TIME && console.time("generateHeightmap");
cells = grid.cells;
p = grid.points;
cells.h = new Uint8Array(grid.points.length);
switch (document.getElementById("templateInput").value) {
case "Volcano": templateVolcano(); break;
case "High Island": templateHighIsland(); break;
case "Low Island": templateLowIsland(); break;
case "Continents": templateContinents(); break;
case "Archipelago": templateArchipelago(); break;
case "Atoll": templateAtoll(); break;
case "Mediterranean": templateMediterranean(); break;
case "Peninsula": templatePeninsula(); break;
case "Pangea": templatePangea(); break;
case "Isthmus": templateIsthmus(); break;
case "Shattered": templateShattered(); break;
const template = document.getElementById("templateInput").value;
switch (template) {
case "Volcano":
templateVolcano();
break;
case "High Island":
templateHighIsland();
break;
case "Low Island":
templateLowIsland();
break;
case "Continents":
templateContinents();
break;
case "Archipelago":
templateArchipelago();
break;
case "Atoll":
templateAtoll();
break;
case "Mediterranean":
templateMediterranean();
break;
case "Peninsula":
templatePeninsula();
break;
case "Pangea":
templatePangea();
break;
case "Isthmus":
templateIsthmus();
break;
case "Shattered":
templateShattered();
break;
}
TIME && console.timeEnd('generateHeightmap');
}
TIME && console.timeEnd("generateHeightmap");
};
// parse template step
function addStep(a1, a2, a3, a4, a5) {
if (a1 === "Hill") addHill(a2, a3, a4, a5); else
if (a1 === "Pit") addPit(a2, a3, a4, a5); else
if (a1 === "Range") addRange(a2, a3, a4, a5); else
if (a1 === "Trough") addTrough(a2, a3, a4, a5); else
if (a1 === "Strait") addStrait(a2, a3); else
if (a1 === "Add") modify(a3, a2, 1); else
if (a1 === "Multiply") modify(a3, 0, a2); else
if (a1 === "Smooth") smooth(a2);
if (a1 === "Hill") return addHill(a2, a3, a4, a5);
if (a1 === "Pit") return addPit(a2, a3, a4, a5);
if (a1 === "Range") return addRange(a2, a3, a4, a5);
if (a1 === "Trough") return addTrough(a2, a3, a4, a5);
if (a1 === "Strait") return addStrait(a2, a3);
if (a1 === "Add") return modify(a3, a2, 1);
if (a1 === "Multiply") return modify(a3, 0, a2);
if (a1 === "Smooth") return smooth(a2);
}
// Heighmap Template: Volcano
function templateVolcano() {
addStep("Hill", "1", "90-100", "44-56", "40-60");
addStep("Multiply", .8, "50-100");
addStep("Multiply", 0.8, "50-100");
addStep("Range", "1.5", "30-55", "45-55", "40-60");
addStep("Smooth", 2);
addStep("Hill", "1.5", "25-35", "25-30", "20-75");
@ -62,7 +85,7 @@
addStep("Trough", "2-3", "20-30", "60-80", "70-80");
addStep("Hill", "1", "10-15", "60-60", "50-50");
addStep("Hill", "1.5", "13-16", "15-20", "20-75");
addStep("Multiply", .8, "20-100");
addStep("Multiply", 0.8, "20-100");
addStep("Range", "1.5", "30-40", "15-85", "30-40");
addStep("Range", "1.5", "30-40", "15-85", "60-70");
addStep("Pit", "2-3", "10-15", "15-85", "20-80");
@ -79,14 +102,14 @@
addStep("Hill", "1.5", "10-15", "5-15", "20-80");
addStep("Hill", "1", "10-15", "85-95", "70-80");
addStep("Pit", "3-5", "10-15", "15-85", "20-80");
addStep("Multiply", .4, "20-100");
addStep("Multiply", 0.4, "20-100");
}
// Heighmap Template: Continents
function templateContinents() {
addStep("Hill", "1", "80-85", "75-80", "40-60");
addStep("Hill", "1", "80-85", "20-25", "40-60");
addStep("Multiply", .22, "20-100");
addStep("Multiply", 0.22, "20-100");
addStep("Hill", "5-6", "15-20", "25-75", "20-82");
addStep("Range", ".8", "30-60", "5-15", "20-45");
addStep("Range", ".8", "30-60", "5-15", "55-80");
@ -118,7 +141,7 @@
addStep("Hill", "1.5", "30-50", "25-75", "30-70");
addStep("Hill", ".5", "30-50", "25-35", "30-70");
addStep("Smooth", 1);
addStep("Multiply", .2, "25-100");
addStep("Multiply", 0.2, "25-100");
addStep("Hill", ".5", "10-20", "50-55", "48-52");
}
@ -131,7 +154,7 @@
addStep("Smooth", 1);
addStep("Hill", "2-3", "30-70", "0-5", "20-80");
addStep("Hill", "2-3", "30-70", "95-100", "20-80");
addStep("Multiply", .8, "land");
addStep("Multiply", 0.8, "land");
addStep("Trough", "3-5", "40-50", "0-100", "0-10");
addStep("Trough", "3-5", "40-50", "0-100", "90-100");
}
@ -156,7 +179,7 @@
addStep("Hill", "1-2", "5-40", "15-50", "90-100");
addStep("Hill", "8-12", "20-40", "20-80", "48-52");
addStep("Smooth", 2);
addStep("Multiply", .7, "land");
addStep("Multiply", 0.7, "land");
addStep("Trough", "3-4", "25-35", "5-95", "10-20");
addStep("Trough", "3-4", "25-35", "5-95", "80-90");
addStep("Range", "5-6", "30-40", "10-90", "35-65");
@ -187,48 +210,78 @@
function getBlobPower() {
switch (+pointsInput.dataset.cells) {
case 1000: return .93;
case 2000: return .95;
case 5000: return .96;
case 10000: return .98;
case 20000: return .985;
case 30000: return .987;
case 40000: return .9892;
case 50000: return .9911;
case 60000: return .9921;
case 70000: return .9934;
case 80000: return .9942;
case 90000: return .9946;
case 100000: return .995;
case 1000:
return 0.93;
case 2000:
return 0.95;
case 5000:
return 0.96;
case 10000:
return 0.98;
case 20000:
return 0.985;
case 30000:
return 0.987;
case 40000:
return 0.9892;
case 50000:
return 0.9911;
case 60000:
return 0.9921;
case 70000:
return 0.9934;
case 80000:
return 0.9942;
case 90000:
return 0.9946;
case 100000:
return 0.995;
}
}
function getLinePower() {
switch (+pointsInput.dataset.cells) {
case 1000: return .74;
case 2000: return .75;
case 5000: return .78;
case 10000: return .81;
case 20000: return .82;
case 30000: return .83;
case 40000: return .84;
case 50000: return .855;
case 60000: return .87;
case 70000: return .885;
case 80000: return .91;
case 90000: return .92;
case 100000: return .93;
case 1000:
return 0.74;
case 2000:
return 0.75;
case 5000:
return 0.78;
case 10000:
return 0.81;
case 20000:
return 0.82;
case 30000:
return 0.83;
case 40000:
return 0.84;
case 50000:
return 0.855;
case 60000:
return 0.87;
case 70000:
return 0.885;
case 80000:
return 0.91;
case 90000:
return 0.92;
case 100000:
return 0.93;
}
}
const addHill = function(count, height, rangeX, rangeY) {
const addHill = function (count, height, rangeX, rangeY) {
count = getNumberInRange(count);
const power = getBlobPower();
while (count > 0) {addOneHill(); count--;}
while (count > 0) {
addOneHill();
count--;
}
function addOneHill() {
const change = new Uint8Array( cells.h.length);
let limit = 0, start;
const change = new Uint8Array(cells.h.length);
let limit = 0,
start;
let h = lim(getNumberInRange(height));
do {
@ -236,7 +289,7 @@
const y = getPointInRange(rangeY, graphHeight);
start = findGridCell(x, y);
limit++;
} while (cells.h[start] + h > 90 && limit < 50)
} while (cells.h[start] + h > 90 && limit < 50);
change[start] = h;
const queue = [start];
@ -245,23 +298,26 @@
for (const c of cells.c[q]) {
if (change[c]) continue;
change[c] = change[q] ** power * (Math.random() * .2 + .9);
change[c] = change[q] ** power * (Math.random() * 0.2 + 0.9);
if (change[c] > 1) queue.push(c);
}
}
cells.h = cells.h.map((h, i) => lim(h + change[i]));
}
};
}
const addPit = function(count, height, rangeX, rangeY) {
const addPit = function (count, height, rangeX, rangeY) {
count = getNumberInRange(count);
while (count > 0) {addOnePit(); count--;}
while (count > 0) {
addOnePit();
count--;
}
function addOnePit() {
const used = new Uint8Array(cells.h.length);
let limit = 0, start;
let limit = 0,
start;
let h = lim(getNumberInRange(height));
do {
@ -269,28 +325,31 @@
const y = getPointInRange(rangeY, graphHeight);
start = findGridCell(x, y);
limit++;
} while (cells.h[start] < 20 && limit < 50)
} while (cells.h[start] < 20 && limit < 50);
const queue = [start];
while (queue.length) {
const q = queue.shift();
h = h ** getBlobPower() * (Math.random() * .2 + .9);
h = h ** getBlobPower() * (Math.random() * 0.2 + 0.9);
if (h < 1) return;
cells.c[q].forEach(function(c, i) {
cells.c[q].forEach(function (c, i) {
if (used[c]) return;
cells.h[c] = lim(cells.h[c] - h * (Math.random() * .2 + .9));
cells.h[c] = lim(cells.h[c] - h * (Math.random() * 0.2 + 0.9));
used[c] = 1;
queue.push(c);
});
}
}
}
};
const addRange = function(count, height, rangeX, rangeY) {
const addRange = function (count, height, rangeX, rangeY) {
count = getNumberInRange(count);
const power = getLinePower();
while (count > 0) {addOneRange(); count--;}
while (count > 0) {
addOneRange();
count--;
}
function addOneRange() {
const used = new Uint8Array(cells.h.length);
@ -300,13 +359,16 @@
const startX = getPointInRange(rangeX, graphWidth);
const startY = getPointInRange(rangeY, graphHeight);
let dist = 0, limit = 0, endX, endY;
let dist = 0,
limit = 0,
endX,
endY;
do {
endX = Math.random() * graphWidth * .8 + graphWidth * .1;
endY = Math.random() * graphHeight * .7 + graphHeight * .15;
endX = Math.random() * graphWidth * 0.8 + graphWidth * 0.1;
endY = Math.random() * graphHeight * 0.7 + graphHeight * 0.15;
dist = Math.abs(endY - startY) + Math.abs(endX - startX);
limit++;
} while ((dist < graphWidth / 8 || dist > graphWidth / 3) && limit < 50)
} while ((dist < graphWidth / 8 || dist > graphWidth / 3) && limit < 50);
let range = getRange(findGridCell(startX, startY), findGridCell(endX, endY));
@ -317,11 +379,14 @@
while (cur !== end) {
let min = Infinity;
cells.c[cur].forEach(function(e) {
cells.c[cur].forEach(function (e) {
if (used[e]) return;
let diff = (p[end][0] - p[e][0]) ** 2 + (p[end][1] - p[e][1]) ** 2;
if (Math.random() > .85) diff = diff / 2;
if (diff < min) {min = diff; cur = e;}
if (Math.random() > 0.85) diff = diff / 2;
if (diff < min) {
min = diff;
cur = e;
}
});
if (min === Infinity) return range;
range.push(cur);
@ -332,25 +397,29 @@
}
// add height to ridge and cells around
let queue = range.slice(), i = 0;
let queue = range.slice(),
i = 0;
while (queue.length) {
const frontier = queue.slice();
queue = [], i++;
(queue = []), i++;
frontier.forEach(i => {
cells.h[i] = lim(cells.h[i] + h * (Math.random() * .3 + .85));
cells.h[i] = lim(cells.h[i] + h * (Math.random() * 0.3 + 0.85));
});
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;
}
});
});
}
// generate prominences
range.forEach((cur, d) => {
if (d%6 !== 0) return;
if (d % 6 !== 0) return;
for (const l of d3.range(i)) {
const min = cells.c[cur][d3.scan(cells.c[cur], (a, b) => cells.h[a] - cells.h[b])]; // downhill cell
//debug.append("circle").attr("cx", p[min][0]).attr("cy", p[min][1]).attr("r", 1);
@ -358,35 +427,43 @@
cur = min;
}
});
}
}
};
const addTrough = function(count, height, rangeX, rangeY) {
const addTrough = function (count, height, rangeX, rangeY) {
count = getNumberInRange(count);
const power = getLinePower();
while (count > 0) {addOneTrough(); count--;}
while (count > 0) {
addOneTrough();
count--;
}
function addOneTrough() {
const used = new Uint8Array(cells.h.length);
let h = lim(getNumberInRange(height));
// find start and end points
let limit = 0, startX, startY, start, dist = 0, endX, endY;
let limit = 0,
startX,
startY,
start,
dist = 0,
endX,
endY;
do {
startX = getPointInRange(rangeX, graphWidth);
startY = getPointInRange(rangeY, graphHeight);
start = findGridCell(startX, startY);
limit++;
} while (cells.h[start] < 20 && limit < 50)
} while (cells.h[start] < 20 && limit < 50);
limit = 0;
do {
endX = Math.random() * graphWidth * .8 + graphWidth * .1;
endY = Math.random() * graphHeight * .7 + graphHeight * .15;
endX = Math.random() * graphWidth * 0.8 + graphWidth * 0.1;
endY = Math.random() * graphHeight * 0.7 + graphHeight * 0.15;
dist = Math.abs(endY - startY) + Math.abs(endX - startX);
limit++;
} while ((dist < graphWidth / 8 || dist > graphWidth / 2) && limit < 50)
} while ((dist < graphWidth / 8 || dist > graphWidth / 2) && limit < 50);
let range = getRange(start, findGridCell(endX, endY));
@ -397,11 +474,14 @@
while (cur !== end) {
let min = Infinity;
cells.c[cur].forEach(function(e) {
cells.c[cur].forEach(function (e) {
if (used[e]) return;
let diff = (p[end][0] - p[e][0]) ** 2 + (p[end][1] - p[e][1]) ** 2;
if (Math.random() > .8) diff = diff / 2;
if (diff < min) {min = diff; cur = e;}
if (Math.random() > 0.8) diff = diff / 2;
if (diff < min) {
min = diff;
cur = e;
}
});
if (min === Infinity) return range;
range.push(cur);
@ -412,25 +492,29 @@
}
// add height to ridge and cells around
let queue = range.slice(), i = 0;
let queue = range.slice(),
i = 0;
while (queue.length) {
const frontier = queue.slice();
queue = [], i++;
(queue = []), i++;
frontier.forEach(i => {
cells.h[i] = lim(cells.h[i] - h * (Math.random() * .3 + .85));
cells.h[i] = lim(cells.h[i] - h * (Math.random() * 0.3 + 0.85));
});
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;
}
});
});
}
// generate prominences
range.forEach((cur, d) => {
if (d%6 !== 0) return;
if (d % 6 !== 0) return;
for (const l of d3.range(i)) {
const min = cells.c[cur][d3.scan(cells.c[cur], (a, b) => cells.h[a] - cells.h[b])]; // downhill cell
//debug.append("circle").attr("cx", p[min][0]).attr("cy", p[min][1]).attr("r", 1);
@ -438,21 +522,21 @@
cur = min;
}
});
}
}
};
const addStrait = function(width, direction = "vertical") {
width = Math.min(getNumberInRange(width), grid.cellsX/3);
const addStrait = function (width, direction = "vertical") {
width = Math.min(getNumberInRange(width), grid.cellsX / 3);
if (width < 1 && P(width)) return;
const used = new Uint8Array(cells.h.length);
const vert = direction === "vertical";
const startX = vert ? Math.floor(Math.random() * graphWidth * .4 + graphWidth * .3) : 5;
const startY = vert ? 5 : Math.floor(Math.random() * graphHeight * .4 + graphHeight * .3);
const endX = vert ? Math.floor((graphWidth - startX) - (graphWidth * .1) + (Math.random() * graphWidth * .2)) : graphWidth - 5;
const endY = vert ? graphHeight - 5 : Math.floor((graphHeight - startY) - (graphHeight * .1) + (Math.random() * graphHeight * .2));
const startX = vert ? Math.floor(Math.random() * graphWidth * 0.4 + graphWidth * 0.3) : 5;
const startY = vert ? 5 : Math.floor(Math.random() * graphHeight * 0.4 + graphHeight * 0.3);
const endX = vert ? Math.floor(graphWidth - startX - graphWidth * 0.1 + Math.random() * graphWidth * 0.2) : graphWidth - 5;
const endY = vert ? graphHeight - 5 : Math.floor(graphHeight - startY - graphHeight * 0.1 + Math.random() * graphHeight * 0.2);
const start = findGridCell(startX, startY), end = findGridCell(endX, endY);
const start = findGridCell(startX, startY),
end = findGridCell(endX, endY);
let range = getRange(start, end);
const query = [];
@ -461,10 +545,13 @@
while (cur !== end) {
let min = Infinity;
cells.c[cur].forEach(function(e) {
cells.c[cur].forEach(function (e) {
let diff = (p[end][0] - p[e][0]) ** 2 + (p[end][1] - p[e][1]) ** 2;
if (Math.random() > 0.8) diff = diff / 2;
if (diff < min) {min = diff; cur = e;}
if (diff < min) {
min = diff;
cur = e;
}
});
range.push(cur);
}
@ -472,12 +559,12 @@
return range;
}
const step = .1 / width;
const step = 0.1 / width;
while (width > 0) {
const exp = .9 - step * width;
range.forEach(function(r) {
cells.c[r].forEach(function(e) {
const exp = 0.9 - step * width;
range.forEach(function (r) {
cells.c[r].forEach(function (e) {
if (used[e]) return;
used[e] = 1;
query.push(e);
@ -486,39 +573,42 @@
});
});
range = query.slice();
width--;
}
}
};
const modify = function(range, add, mult, power) {
const modify = function (range, add, mult, power) {
const min = range === "land" ? 20 : range === "all" ? 0 : +range.split("-")[0];
const max = range === "land" || range === "all" ? 100 : +range.split("-")[1];
grid.cells.h = grid.cells.h.map(h => h >= min && h <= max ? mod(h) : h);
grid.cells.h = grid.cells.h.map(h => (h >= min && h <= max ? mod(h) : h));
function mod(v) {
if (add) v = min === 20 ? Math.max(v + add, 20) : v + add;
if (mult !== 1) v = min === 20 ? (v-20) * mult + 20 : v * mult;
if (power) v = min === 20 ? (v-20) ** power + 20 : v ** power;
if (mult !== 1) v = min === 20 ? (v - 20) * mult + 20 : v * mult;
if (power) v = min === 20 ? (v - 20) ** power + 20 : v ** power;
return lim(v);
}
}
};
const smooth = function(fr = 2, add = 0) {
const smooth = function (fr = 2, add = 0) {
cells.h = cells.h.map((h, i) => {
const a = [h];
cells.c[i].forEach(c => a.push(cells.h[c]));
return lim((h * (fr-1) + d3.mean(a) + add) / fr);
return lim((h * (fr - 1) + d3.mean(a) + add) / fr);
});
}
};
function getPointInRange(range, length) {
if (typeof range !== "string") {ERROR && console.error("Range should be a string"); return;}
const min = range.split("-")[0]/100 || 0;
const max = range.split("-")[1]/100 || 100;
if (typeof range !== "string") {
ERROR && console.error("Range should be a string");
return;
}
const min = range.split("-")[0] / 100 || 0;
const max = range.split("-")[1] / 100 || min;
return rand(min * length, max * length);
}
return {generate, addHill, addRange, addTrough, addStrait, addPit, smooth, modify};
})));
});

3
modules/ui/heightmap-editor.js
View file

@ -950,7 +950,8 @@ function editHeightmap() {
for (const s of steps) {
if (s.style.opacity == 0.5) continue;
const type = s.getAttribute("data-type");
const type = s.dataset.type;
const elCount = s.querySelector(".templateCount") || "";
const elHeight = s.querySelector(".templateHeight") || "";