Struct VegetationAtlas 

pub struct VegetationAtlas {
    pub resolution: u32,
    pub slots_per_row: u32,
    pub slot_size: u32,
    pub slot_map: HashMap<String, u32>,
    pub next_slot: u32,
}

Manages texture atlas slots for vegetation impostor billboards.

Fields

resolution: u32

Width and height of the atlas in pixels.

slots_per_row: u32

Number of slots per row.

slot_size: u32

Slot size (in atlas pixels).

slot_map: HashMap<String, u32>

Mapping from tree type to atlas slot index.

next_slot: u32

Next available slot.

Implementations

impl VegetationAtlas

pub fn new(resolution: u32, slots_per_row: u32) -> Self

pub fn allocate_slot(&mut self, name: &str) -> Option<u32>

Allocate an atlas slot for a named vegetation type.

pub fn slot_uv(&self, slot: u32) -> [f32; 4]

Get UV coordinates for a given slot.

pub fn get_uv(&self, name: &str) -> [f32; 4]

Get UV for a named type (returns default if not found).

Trait Implementations

impl Clone for VegetationAtlas

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 VegetationAtlas

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

Formats the value using the given formatter.