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Biome blending

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Dithering to biome edges
This commit is contained in:
Amatsugu
2024-07-07 10:51:02 -04:00
parent 8e92df8008
commit ba2dcf7129
7 changed files with 68 additions and 19 deletions
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18
engine/world_generation/src/heightmap.rs
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@@ -64,7 +64,7 @@ pub fn generate_biome_chunk(
let moisture = sample_point(
x as f64 + chunk_x as f64 * Chunk::SIZE as f64,
z as f64 + chunk_y as f64 * Chunk::SIZE as f64,
&cfg.moisture_layer,
&cfg.moisture_noise,
&noise_m,
cfg.size.as_vec2(),
cfg.border_size,
@@ -72,7 +72,7 @@ pub fn generate_biome_chunk(
let temperature = sample_point(
x as f64 + chunk_x as f64 * Chunk::SIZE as f64,
z as f64 + chunk_y as f64 * Chunk::SIZE as f64,
&cfg.temperature_layer,
&cfg.temperature_noise,
&noise_t,
cfg.size.as_vec2(),
cfg.border_size,
@@ -80,7 +80,7 @@ pub fn generate_biome_chunk(
let continentality = sample_point(
x as f64 + chunk_x as f64 * Chunk::SIZE as f64,
z as f64 + chunk_y as f64 * Chunk::SIZE as f64,
&cfg.continent_layer,
&cfg.continent_noise,
&noise_c,
cfg.size.as_vec2(),
cfg.border_size,
@@ -109,8 +109,9 @@ pub fn generate_chunk(
biome_chunk: &BiomeChunk,
biome_painter: &BiomePainter,
) -> Chunk {
let mut result: [f32; Chunk::SIZE * Chunk::SIZE] = [0.; Chunk::SIZE * Chunk::SIZE];
let mut data = [BiomeData::default(); Chunk::SIZE * Chunk::SIZE];
let mut result: [f32; Chunk::SIZE * Chunk::SIZE] = [0.; Chunk::AREA];
let mut data = [BiomeData::default(); Chunk::AREA];
let mut biome_ids = [0; Chunk::AREA];
let noise = SuperSimplex::new(seed);
for z in 0..Chunk::SIZE {
for x in 0..Chunk::SIZE {
@@ -132,13 +133,16 @@ pub fn generate_chunk(
cfg.border_size,
) * blend;
}
result[x + z * Chunk::SIZE] = sample;
data[x + z * Chunk::SIZE] = biome_data.clone();
let idx = x + z * Chunk::SIZE;
biome_ids[idx] = biome_chunk.get_biome_id_dithered(x, z, &noise, cfg.biome_dither);
result[idx] = sample;
data[idx] = biome_data.clone();
}
}
return Chunk {
heights: result,
biome_data: data,
biome_id: biome_ids,
chunk_offset: IVec2::new(chunk_x as i32, chunk_z as i32),
..default()
};