Cool 3d

client/generation.ts

@@ -1,47 +1,47 @@
 import { Alea, create_noise_2d } from "@paulaboks/rng";
 
 import { Dimension } from "./components/dimension.ts";
+import { ClientWorld } from "./client_world.ts";
 
-export function generate(dimension: Dimension, width: number, height: number, seed = "seed") {
+export function generate(
+	world: ClientWorld,
+	dimension: Dimension,
+	width: number,
+	depth: number,
+	max_height = 64,
+	seed = "seed",
+) {
 	const height_noise = create_noise_2d(new Alea(seed + "_height"));
-	const tree_noise = create_noise_2d(new Alea(seed + "_trees"));
 
 	const scale = 0.05;
 
-	for (let z = 0; z < height; z++) {
+	for (let z = 0; z < depth; z++) {
 		for (let x = 0; x < width; x++) {
-			// multi-octave terrain
 			const nx = x * scale;
 			const nz = z * scale;
 
-			let h = height_noise(nx, nz) * 1 + height_noise(nx * 2, nz * 2) * 0.5 + height_noise(nx * 4, nz * 4) * 0.25;
+			// multi-octave terrain
+			let h = height_noise(nx, nz) * 1 +
+				height_noise(nx * 2, nz * 2) * 0.5 +
+				height_noise(nx * 4, nz * 4) * 0.25;
 
-			h /= 1.75; // normalize
+			h /= 1.75;
 
-			let id = "bworld:grass";
+			// convert noise to terrain height
+			const terrain_height = Math.floor((h * 0.5 + 0.5) * max_height);
 
-			if (h < -0.25) {
-				id = "bworld:water";
-			} else if (h < -0.15) {
-				id = "bworld:sand";
-			} else {
-				id = "bworld:grass";
-			}
+			for (let y = 0; y <= terrain_height; y++) {
+				let id = "bworld:stone";
 
-			dimension.tiles.push({ x, z, id, y: 0 });
-
-			// tree placement
-			/*if (id === "bworld:grass") {
-				const t = tree_noise(x * 0.12, y * 0.12);
-
-				if (t > 0.65) {
-					dimension.tiles.push({
-						x,
-						y,
-						id: "bworld:tree",
-					});
+				// simple terrain layers
+				if (y === terrain_height) {
+					id = "bworld:grass";
+				} else if (y > terrain_height - 4) {
+					id = "bworld:dirt";
 				}
-			}*/
+
+				dimension.add_block(world, { x, y, z, id });
+			}
 		}
 	}
 }