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    use std::sync::Arc;
    use std::collections::HashMap;
    use std::hash::Hash;
    use crate::canvas::*;
    use crate::canvas::managed::shader::dynamic_vertex::RuntimeVertexDef;
    use crate::canvas::managed::handles::{CanvasTextureHandle, CanvasImageHandle, CanvasFontHandle, Handle};
    use vulkano::pipeline::vertex::Vertex;
    use std::any::Any;
    use crate::VertexTypes;

    /// Trait which may be inherited by objects that wish to be drawn to the screen
    pub trait Drawable {
        fn get(&self) -> VertexTypes;
    }

    /// Accumulator for Vectors of VertexTypes
    #[derive(Default)]
    pub struct CanvasFrame {
        pub map: Vec<VertexTypes>,
    }

    impl CanvasFrame {

        /// Push this drawable onto the back of the accumulator
        pub fn draw(&mut self, drawable: &dyn Drawable) {
            self.map.push(drawable.get());
        }
    }

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