Struct Instance

pub struct Instance<'a, R>
where
    R: Renderable,
{
    pub instantiable: &'a Instantiable<R>,
    pub transformation: Transformation,
    pub trans_mat: Mat4,
    pub bone_poses: Vec<SkeletonPose<'a>>,
    pub bone_matrices: Vec<Mat4>,
}

A drawable::Instance contains the instance data for an instance of a drawable::Instantiable

It requires a base transformation, an array of BonePose (which matches the Instantiable’s BoneSet array), and an array of Mat4 for each bone in the BonePose array.

Fields

instantiable: &'a Instantiable<R>

Reference to the Instantiable this is based on

This is provided as the instance depends on the Instantiable although it does not use the data here

The [Skeleton] of the Instantiable is borrowed by the SkeletonPose

transformation: Transformation

The transformation to apply to this model instance

trans_mat: Mat4

Matrix for the transformation (must be updated after updating Transformation),

bone_poses: Vec<SkeletonPose<'a>>

The sets of BonePose corresponding to the BoneSet array in the Instantiable

bone_matrices: Vec<Mat4>

Transformation matrices for the bones

Implementations

impl<'a, R> Instance<'a, R>

where R: Renderable,

pub fn new(instantiable: &'a Instantiable<R>, num_bone_matrices: usize) -> Self

Create a new Instance from an Instantiable

This contains an array of SkeletonPoses to allow elements of the Instantiable to be posed, and respective matrices for drawing the meshes within the Instantiable

It should contain appropriate Materials too