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Variable resolution

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This commit is contained in:
Niklas Korz 2025-03-31 18:47:39 +02:00
parent a51fed5026
commit aae2ecef85
1 changed files with 14 additions and 6 deletions
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20
src/main.rs
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@ -30,10 +30,18 @@ fn draw_map(mut query_scene: Single<(&mut Transform, &mut VelloScene)>) {
scene.reset(); scene.reset();
transform.scale = Vec3::ONE * 30.0; transform.scale = Vec3::ONE * 30.0;
let grid_size_x = 40;
let grid_max_x = grid_size_x / 2;
let grid_min_x = -grid_max_x;
let grid_size_y = 20;
let grid_max_y = grid_size_y / 2;
let grid_min_y = -grid_max_y;
let mut rng = rand::rng(); let mut rng = rand::rng();
let mut points = Vec::new(); let mut points = Vec::new();
for x in -20..=20 { for x in grid_min_x..=grid_max_x {
for y in -10..=10 { for y in grid_min_y..=grid_max_y {
points.push(( points.push((
(x as f64) + rng.random_range(-JITTER..=JITTER), (x as f64) + rng.random_range(-JITTER..=JITTER),
(y as f64) + rng.random_range(-JITTER..=JITTER), (y as f64) + rng.random_range(-JITTER..=JITTER),
@ -41,8 +49,8 @@ fn draw_map(mut query_scene: Single<(&mut Transform, &mut VelloScene)>) {
} }
} }
let diagram = VoronoiDiagram::<voronator::delaunator::Point>::from_tuple( let diagram = VoronoiDiagram::<voronator::delaunator::Point>::from_tuple(
&(-20.0, -10.0), &(grid_min_x as f64, grid_min_y as f64),
&(20.0, 10.0), &(grid_max_x as f64, grid_max_y as f64),
&points, &points,
) )
.unwrap(); .unwrap();
@ -65,8 +73,8 @@ fn draw_map(mut query_scene: Single<(&mut Transform, &mut VelloScene)>) {
} }
} }
let nx = (center.x + 20.0) / 40.0 - 0.5; let nx = (center.x + grid_max_x as f64) / (grid_size_x as f64) - 0.5;
let ny = (center.y + 10.0) / 20.0 - 0.5; let ny = (center.y + grid_max_y as f64) / (grid_size_y as f64) - 0.5;
let elevation = (1.0 + noise.get([nx / 0.5, ny / 0.5])) / 2.0; let elevation = (1.0 + noise.get([nx / 0.5, ny / 0.5])) / 2.0;
let d = 2.0 * nx.abs().max(ny.abs()); let d = 2.0 * nx.abs().max(ny.abs());