easy-gltf 1.1.5

glTF 2.0 loader with an easy to use output
Documentation 
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use crate::utils::GltfData;
use image::GrayImage;
use std::sync::Arc;

#[derive(Clone, Debug)]
/// Defines the occlusion texture of a material.
pub struct Occlusion {
    /// The `occlusion_texture` refers to a texture that defines areas of the
    /// surface that are occluded from light, and thus rendered darker.
    pub texture: Arc<GrayImage>,

    /// The `occlusion_factor` is the occlusion strength to be applied to the
    /// texture value.
    pub factor: f32,
}

impl Occlusion {
    pub(crate) fn load(gltf_mat: &gltf::Material, data: &mut GltfData) -> Option<Self> {
        gltf_mat.occlusion_texture().map(|texture| Self {
            texture: data.load_gray_image(&texture.texture(), 0),
            factor: texture.strength(),
        })
    }
}