bevy/crates/bevy_render/src/entity.rs
François 59d98de194
naming coherence for cameras (#995)
naming coherence for cameras
2020-12-03 13:46:15 -08:00

79 lines
2.4 KiB
Rust

use crate::{
camera::{Camera, OrthographicProjection, PerspectiveProjection, VisibleEntities},
pipeline::RenderPipelines,
render_graph::base,
Draw, Mesh,
};
use base::MainPass;
use bevy_asset::Handle;
use bevy_ecs::Bundle;
use bevy_math::Vec3;
use bevy_transform::components::{GlobalTransform, Transform};
/// A component bundle for "mesh" entities
#[derive(Bundle, Default)]
pub struct MeshBundle {
pub mesh: Handle<Mesh>,
pub draw: Draw,
pub render_pipelines: RenderPipelines,
pub main_pass: MainPass,
pub transform: Transform,
pub global_transform: GlobalTransform,
}
/// A component bundle for "3d camera" entities
#[derive(Bundle)]
pub struct Camera3dBundle {
pub camera: Camera,
pub perspective_projection: PerspectiveProjection,
pub visible_entities: VisibleEntities,
pub transform: Transform,
pub global_transform: GlobalTransform,
}
impl Default for Camera3dBundle {
fn default() -> Self {
Camera3dBundle {
camera: Camera {
name: Some(base::camera::CAMERA_3D.to_string()),
..Default::default()
},
perspective_projection: Default::default(),
visible_entities: Default::default(),
transform: Default::default(),
global_transform: Default::default(),
}
}
}
/// A component bundle for "2d camera" entities
#[derive(Bundle)]
pub struct Camera2dBundle {
pub camera: Camera,
pub orthographic_projection: OrthographicProjection,
pub visible_entities: VisibleEntities,
pub transform: Transform,
pub global_transform: GlobalTransform,
}
impl Default for Camera2dBundle {
fn default() -> Self {
// we want 0 to be "closest" and +far to be "farthest" in 2d, so we offset
// the camera's translation by far and use a right handed coordinate system
let far = 1000.0;
Camera2dBundle {
camera: Camera {
name: Some(base::camera::CAMERA_2D.to_string()),
..Default::default()
},
orthographic_projection: OrthographicProjection {
far,
..Default::default()
},
visible_entities: Default::default(),
transform: Transform::from_translation(Vec3::new(0.0, 0.0, far - 0.1)),
global_transform: Default::default(),
}
}
}