pub fn empty() -> Self {
        Self {
            projection: na::Matrix4::identity(),
            batches: vec![],
        }
    }
/// Create a new empty layer.
Create a new empty layer.
Create a new empty layer .
pub fn empty() -> Self {
        Self {
            projection: na::Matrix4::identity(),
            batches: vec![],
        }
    }
pub fn empty ( ) -> Self { Self { projection : na :: Matrix4 :: identity ( ) , batches : vec ! [ ] , } }
Create a new empty layer.
Create a new empty layer .