Struct Instance 

pub struct Instance {
    pub bottom: usize,
    pub transform: [[f32; 4]; 3],
    pub id: u32,
    pub mask: u8,
    pub contribution: u32,
    pub flags: InstanceFlags,
}

An instance of a bottom level in the top level.

Fields

bottom: usize

Which bottom level.

transform: [[f32; 4]; 3]

Object to world: three rows of four.

id: u32

InstanceID (24 bits).

mask: u8

InstanceMask: the instance is seen by a ray whose mask shares a bit with it.

contribution: u32

InstanceContributionToHitGroupIndex (24 bits).

flags: InstanceFlags

What the instance does besides place its bottom level.

Trait Implementations

impl Clone for Instance

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 Instance

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

Formats the value using the given formatter.