enum

Placement

pub enum Placement {
    Hidden,
    Pinned { x: f32, y: f32, scale: f32, z: i32 },
    Plane { matrix: [f32; 16], z: i32 },
}

Where an html layer goes this frame.

Variants

Hidden

Behind the camera, or hidden by an object (occlude).

Pinned { x: f32, y: f32, scale: f32, z: i32 }

Pinned: its point on screen (CSS pixels), its scale, and a z-index (nearer is higher).

Plane { matrix: [f32; 16], z: i32 }

On a plane: a CSS matrix3d (column-major) from the layer's own pixels to the surface's.