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Slightly improve worldgen

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This commit is contained in:
Sijmen 2021-05-30 14:12:10 +02:00
parent 7d4bccf187
commit 1c23e0f622
Signed by: vijfhoek
GPG key ID: 82D05C89B28B0DAE
1 changed files with 22 additions and 10 deletions
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32
src/chunk.rs
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@ -1,10 +1,7 @@
use crate::instance::Instance;
use ahash::AHashMap;
use cgmath::{InnerSpace, Vector3};
use noise::{
utils::{NoiseMapBuilder, PlaneMapBuilder},
Fbm,
};
use noise::utils::{NoiseMapBuilder, PlaneMapBuilder};
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum BlockType {
@ -30,21 +27,36 @@ pub struct Chunk {
impl Chunk {
pub fn generate(chunk_x: i32, chunk_y: i32, chunk_z: i32) -> Self {
let fbm = Fbm::new();
let fbm = noise::Fbm::new();
let builder = PlaneMapBuilder::new(&fbm)
let terrain_noise = PlaneMapBuilder::new(&fbm)
.set_size(16, 16)
.set_x_bounds(chunk_x as f64 * 0.2, chunk_x as f64 * 0.2 + 0.2)
.set_y_bounds(chunk_z as f64 * 0.2, chunk_z as f64 * 0.2 + 0.2)
.set_x_bounds(chunk_x as f64 * 0.1, chunk_x as f64 * 0.1 + 0.1)
.set_y_bounds(chunk_z as f64 * 0.1, chunk_z as f64 * 0.1 + 0.1)
.build();
let stone_noise = PlaneMapBuilder::new(&fbm)
.set_size(16, 16)
.set_x_bounds(
chunk_x as f64 * 0.07 + 11239.0,
chunk_x as f64 * 0.07 + 11239.07,
)
.set_y_bounds(
chunk_y as f64 * 0.07 + 11239.0,
chunk_y as f64 * 0.07 + 11239.07,
)
.build();
let mut blocks: ChunkBlocks = Default::default();
for z in 0..CHUNK_SIZE {
for x in 0..CHUNK_SIZE {
let v = builder.get_value(x, z) * 10.0 + 64.0;
let v = terrain_noise.get_value(x, z) * 20.0 + 64.0;
let v = v.round() as i32;
let stone_max = (v - 4 - chunk_y * 16).min(CHUNK_SIZE as i32);
let s = stone_noise.get_value(x, z) * 20.0 + 4.5;
let s = (s.round() as i32).min(10).max(3);
let stone_max = (v - s - chunk_y * 16).min(CHUNK_SIZE as i32);
for y in 0..stone_max {
blocks[y as usize][z][x] = Some(Block {
block_type: BlockType::Stone,