Struct Heightmap 

pub struct Heightmap {
    pub width: usize,
    pub height: usize,
    pub data: Vec<f32>,
    pub min_h: f32,
    pub max_h: f32,
}

Fields

width: usize

height: usize

data: Vec<f32>

min_h: f32

max_h: f32

Implementations

impl Heightmap

pub fn new(width: usize, height: usize) -> Self

pub fn index(&self, x: usize, y: usize) -> usize

pub fn get(&self, x: usize, y: usize) -> f32

pub fn set(&mut self, x: usize, y: usize, v: f32)

pub fn get_clamped(&self, x: i32, y: i32) -> f32

pub fn sample_bilinear(&self, u: f32, v: f32) -> f32

pub fn normal_at(&self, x: usize, y: usize, cell_size: f32) -> Vec3

Compute surface normal at a pixel using central differences

pub fn slope_at(&self, x: usize, y: usize, cell_size: f32) -> f32

Compute slope (radians) at a pixel

pub fn gradient_at(&self, x: usize, y: usize) -> Vec2

Compute gradient at a pixel — returns (dh/dx, dh/dy) in normalised coords

pub fn recompute_minmax(&mut self)

pub fn normalize_to_01(&mut self)

pub fn generate_fbm(&mut self, params: &FbmParams, seed_offset: Vec2)

Generate heightmap from FBM noise

pub fn generate_domain_warp( &mut self, params: &FbmParams, warp: f32, seed_offset: Vec2, )

Generate with domain warped FBM for more natural terrain

Trait Implementations

impl Clone for Heightmap

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Heightmap

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.