bevy_editor_cam 0.7.1-transform-adapter

A camera controller for editors and CAD.
Documentation 
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//! Camera controller implementation.

use bevy_app::prelude::*;
use bevy_ecs::prelude::*;

pub mod component;
pub mod inputs;
pub mod momentum;
pub mod motion;
pub mod projections;
pub mod smoothing;
pub mod transform_adapter;
pub mod zoom;

/// Adds [`bevy_editor_cam`](crate) functionality without an input plugin or any extensions. This
/// requires an input plugin to function! If you don't use the [`crate::input::DefaultInputPlugin`],
/// you will need to provide your own.
pub struct MinimalEditorCamPlugin;

impl Plugin for MinimalEditorCamPlugin {
    fn build(&self, app: &mut App) {
        app.init_resource::<transform_adapter::TransformAdapter>()
            .add_systems(
                PreUpdate,
                (
                    crate::controller::component::EditorCam::update_camera_positions,
                    crate::controller::projections::update_orthographic,
                    // Technically `update_perspective` does not alter the camera
                    // position, but the other two systems above do, so I'm putting
                    // them all in the SyncCameraPosition group.
                    crate::controller::projections::update_perspective,
                )
                    .chain()
                    .after(bevy_picking::PickingSystems::Last)
                    .in_set(crate::SyncCameraPosition),
            );
    }
}