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This commit is contained in:
asraelite 2018-03-07 14:23:45 +00:00
parent 194c0bf846
commit bd97945e66
14 changed files with 82 additions and 20 deletions
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19
js/world/spawn.mjs
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@ -8,7 +8,7 @@ import * as world from './index.mjs';
import * as consts from '../consts.mjs';
import {SECTOR_SIZE as SS} from '../consts.mjs';
let spawnedSectors = new Set();
let spawnedSectors = new Map();
const visibleRadius = (400 / consts.MIN_ZOOM) + SS;
@ -21,6 +21,16 @@ export function tick() {
let id = `${sx}.${sy}`;
if (!spawnedSectors.has(id)) spawnSector(sx, sy);
}
spawnedSectors.forEach((objects, key) => {
let [sx, sy] = key.split('.');
let [wx, wy] = [sx * SS, sy * SS];
let dis = (wx - px) ** 2 + (wy - py) ** 2;
if (dis > (SS * 4) ** 2) {
spawnedSectors.delete(key);
objects.forEach(world.remove);
}
});
}
function nearest(x, y, set) {
@ -40,17 +50,18 @@ function nearest(x, y, set) {
function spawnSector(x, y) {
let area = SS ** 2;
let spawned = new Set();
for (let i = 0; i < area / 1000; i++) {
let [px, py] = [(x + Math.random()) * SS, (y + Math.random()) * SS];
if (Math.random() < consts.PLANET_SPAWN_RATE / 1000) {
randomPlanet(px, py);
spawned.add(randomPlanet(px, py));
} else if (Math.random() < consts.ENTITY_SPAWN_RATE / 1000){
randomEntity(px, py);
spawned.add(randomEntity(px, py));
}
}
spawnedSectors.add(`${x}.${y}`);
spawnedSectors.set(`${x}.${y}`, spawned);
}
function randomPlanet(x, y, {