Struct ImpostorBillboard 

pub struct ImpostorBillboard {
    pub atlas_uv_min: Vec2,
    pub atlas_uv_max: Vec2,
    pub world_position: Vec3,
    pub scale: Vec2,
    pub pivot_offset: Vec3,
    pub facing_angle_rad: f32,
    pub num_views: u32,
    pub current_view_index: u32,
    pub last_update_frame: u64,
    pub is_dirty: bool,
    pub depth_prepass_enabled: bool,
}

Fields

atlas_uv_min: Vec2

atlas_uv_max: Vec2

world_position: Vec3

scale: Vec2

pivot_offset: Vec3

facing_angle_rad: f32

num_views: u32

current_view_index: u32

last_update_frame: u64

is_dirty: bool

depth_prepass_enabled: bool

Implementations

impl ImpostorBillboard

pub fn new(world_position: Vec3, scale: Vec2, num_views: u32) -> Self

pub fn update_view_index(&mut self, camera_pos: Vec3)

pub fn compute_billboard_matrix( &self, camera_pos: Vec3, camera_up: Vec3, ) -> Mat4

pub fn screen_space_bounds(&self, camera: &StreamingCamera) -> (Vec2, Vec2)

pub fn mark_dirty(&mut self)

pub fn clear_dirty(&mut self, frame: u64)

pub fn should_update(&self, camera_pos: Vec3, angle_threshold_deg: f32) -> bool

Trait Implementations

impl Clone for ImpostorBillboard

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 ImpostorBillboard

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

Formats the value using the given formatter.