From fe121a40abeb44990a0a693d897d250b0e8038ba Mon Sep 17 00:00:00 2001
From: Tangent Wantwight <tangent128@gmail.com>
Date: Sat, 13 Jan 2024 00:19:34 -0500
Subject: [PATCH] random lobes
---
island.ts | 24 +++++++++++++++++-------
1 file changed, 17 insertions(+), 7 deletions(-)
diff --git a/island.ts b/island.ts
index 9578358..8759c69 100644
--- a/island.ts
+++ b/island.ts
@@ -113,6 +113,14 @@ export function IslandApplet() {
const len = islands.data.length;
const basePos = len >> 1;
+ const lobePos1 = islands.xy(
+ (WIDTH >> 1) + (islands.rng() % 48) - 24,
+ (HEIGHT >> 1) + (islands.rng() % 48) - 24
+ );
+ const lobePos2 = islands.xy(
+ (WIDTH >> 1) + (islands.rng() % 48) - 24,
+ (HEIGHT >> 1) + (islands.rng() % 48) - 24
+ );
const width = islands.width;
let timerId: number;
@@ -164,25 +172,27 @@ export function IslandApplet() {
}
function tick() {
- const lowlandTiles = islands.floodSearch(basePos + 12, (tile) => tile > 0);
+ const lowlandTiles1 = islands.floodSearch(lobePos1, (tile) => tile > 0);
+ const lowlandTiles2 = islands.floodSearch(lobePos2, (tile) => tile > 0);
// grow shore
- const shoreTiles = lowlandTiles.filter((pos) => islands.data[pos] == 0);
- dropWithin(shoreTiles);
- dropWithin(shoreTiles);
+ const shoreTiles1 = lowlandTiles1.filter((pos) => islands.data[pos] == 0);
+ dropWithin(shoreTiles1);
+ const shoreTiles2 = lowlandTiles2.filter((pos) => islands.data[pos] == 0);
+ dropWithin(shoreTiles2);
// seed beach
- const beachTiles = lowlandTiles.filter((pos) => islands.data[pos] == 1);
+ const beachTiles = lowlandTiles1.filter((pos) => islands.data[pos] == 1);
dropWithin(beachTiles);
// expand forest
- const forestTiles = lowlandTiles.filter((pos) => islands.data[pos] == 2);
+ const forestTiles = lowlandTiles1.filter((pos) => islands.data[pos] == 2);
dropWithin(forestTiles);
dropWithin(forestTiles);
dropWithin(forestTiles);
// form mountain
- const mountainTiles = islands.floodSearch(basePos - 12, (tile) => tile > 4);
+ const mountainTiles = islands.floodSearch(basePos, (tile) => tile > 4);
dropWithin(mountainTiles);
// const erodePos = islandTiles[islands.rng() % islandTiles.length];