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Smoothed some things out.

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This commit is contained in:
Joshua Yanovski 2019-08-19 05:22:39 +02:00
parent 1c9be67516
commit fa35f9932e
2 changed files with 9 additions and 8 deletions
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15
world/src/column/mod.rs
View File

@ -76,7 +76,8 @@ impl<'a> ColumnGen<'a> {
});
let chunk = self.world.sim().get(chunk_pos)?;
if seed % 5 == 2 && chunk.temp > CONFIG.desert_temp && chunk.alt > CONFIG.sea_level + 5.0 {
if seed % 5 == 2 && chunk.temp > CONFIG.desert_temp && chunk.humidity < CONFIG.desert_hum &&
chunk.alt > CONFIG.sea_level + 5.0 {
Some(StructureData {
pos,
seed,
@ -230,7 +231,7 @@ impl<'a> Sampler for ColumnGen<'a> {
);
// For desert humidity, we are always sand or rock, depending on altitude.
let ground = Rgb::lerp(sand, cliff, alt.sub(CONFIG.mountain_scale * 0.25));
let ground = Rgb::lerp(sand, cliff, alt.sub(CONFIG.mountain_scale * 0.25).div(CONFIG.mountain_scale * 0.125));
// At forest humidity, we go from dirt to grass to moss to sand depending on temperature.
let ground = Rgb::lerp(
ground,
@ -244,10 +245,10 @@ impl<'a> Sampler for ColumnGen<'a> {
.mul(256.0)
),
moss,
temp.sub(CONFIG.tropical_temp).mul(32.0),
temp.sub(CONFIG.tropical_temp).mul(4.0),
),
sand,
temp.sub(CONFIG.desert_temp).mul(16.0),
temp.sub(CONFIG.desert_temp).mul(4.0),
),
humidity.sub(CONFIG.desert_hum).mul(4.0)
);
@ -264,10 +265,10 @@ impl<'a> Sampler for ColumnGen<'a> {
.mul(256.0)
),
moss,
temp.sub(CONFIG.tropical_temp).mul(32.0),
temp.sub(CONFIG.tropical_temp).mul(4.0),
),
sand,
temp.sub(CONFIG.desert_temp).mul(16.0),
temp.sub(CONFIG.desert_temp).mul(4.0),
),
humidity.sub(CONFIG.forest_hum).mul(4.0)
);
@ -392,7 +393,7 @@ impl<'a> Sampler for ColumnGen<'a> {
/ 12.0,
),
(alt - CONFIG.sea_level - 0.25 * CONFIG.mountain_scale + marble * 128.0)
/ 100.0,
/ (0.25 * CONFIG.mountain_scale),
),
// Beach
((alt - CONFIG.sea_level - 1.0) / 2.0)

2
world/src/sim/mod.rs
View File

@ -94,7 +94,7 @@ impl WorldSim {
cliff_gen: StructureGen2d::new(gen_seed(), 80, 56),
humid_nz: Billow::new()
.set_octaves(12)
.set_persistence(0.25)
.set_persistence(0.125)
// .set_octaves(6)
// .set_persistence(0.5)
.set_seed(gen_seed()),