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Improved cave noise

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This commit is contained in:
Joshua Barretto 2019-05-31 19:11:02 +01:00
parent 455b99ed37
commit e618e97b1f
2 changed files with 6 additions and 4 deletions
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assets/world/tree/birch/5.vox (Stored with Git LFS)
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6
world/src/sim.rs
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@ -206,7 +206,9 @@ impl<'a> Sampler<'a> {
.neg()
.add(1.0)
.mul((1.15 - chaos).min(1.0));
let cave_alt = alt - 24.0 + (sim.gen_ctx.cave_1_nz.get(Vec2::new(wposf.x, wposf.y).div(300.0).into_array()) as f32).add(1.0).mul(0.5).powf(10.0).mul(96.0);
let cave_alt = alt - 24.0
+ (sim.gen_ctx.cave_1_nz.get(Vec2::new(wposf.x, wposf.y).div(32.0).into_array()) as f32) * 6.0
+ (sim.gen_ctx.cave_1_nz.get(Vec2::new(wposf.x, wposf.y).div(300.0).into_array()) as f32).add(1.0).mul(0.5).powf(12.0).mul(96.0);
Some(Sample2d {
alt,
@ -294,7 +296,7 @@ impl<'a> Sampler<'a> {
};
let ground_block = if let Some(block) = ground_block { // Underground
let cave = cave_xy.powf(2.0) * (wposf.z as f32 - cave_alt).div(20.0).powf(4.0).neg().add(1.0) > 0.9994;
let cave = cave_xy.powf(2.0) * (wposf.z as f32 - cave_alt).div(20.0).powf(4.0).neg().add(1.0) > 0.996;
if cave {
None