Method update

src/camera.rs:16–33

(&mut self, camera: &Camera, viewport_width: u32, viewport_height: u32)

impl CameraUniform {
    pub(crate) fn update(&mut self, camera: &Camera, viewport_width: u32, viewport_height: u32) {
        self.view_proj = camera.build_view_projection_matrix().to_cols_array_2d();

        // For screen-space sizing (markers): convert pixels to clip space
        let pixel_to_clip_x = 2.0 / viewport_width as f32;
        let pixel_to_clip_y = 2.0 / viewport_height as f32;
        self.pixel_to_clip = [pixel_to_clip_x, pixel_to_clip_y, 0.0, 0.0];

        // For world-space patterns (lines): convert pixels to world units
        let world_units_per_pixel_x = (2.0 * camera.half_extents.x) / viewport_width as f64;
        let world_units_per_pixel_y = (2.0 * camera.half_extents.y) / viewport_height as f64;
        self.pixel_to_world = [
            world_units_per_pixel_x as f32,
            world_units_per_pixel_y as f32,
            0.0,
            0.0,
        ];
    }
}

impl Default for CameraUniform {