minor update
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4a8c9a298a
commit
3b18d1e032
7 changed files with 154 additions and 133 deletions
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@ -4,9 +4,7 @@ use bevy::render::camera::{Camera, CameraProjection};
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use bevy::render::primitives::Frustum;
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use bevy::render::view::VisibleEntities;
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use crate::screeninfo::ScreenInfo;
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#[derive(Component, Debug, Clone, Reflect)]
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#[reflect(Component, Default)]
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@ -18,7 +16,9 @@ pub struct OffAxisProjection {
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impl CameraProjection for OffAxisProjection {
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fn get_projection_matrix(&self) -> Mat4 {
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println!("Here we go! {:?}",self);
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Mat4::orthographic_rh(-self.aspect, self.aspect, -1.0, 1.0, self.near, self.far)
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}
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@ -27,14 +27,6 @@ impl CameraProjection for OffAxisProjection {
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self.aspect = width / height;
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}
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// fn depth_calculation(&self) -> DepthCalculation {
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// // for 2D (camera doesn't rotate)
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// DepthCalculation::ZDifference
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// // otherwise
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// //DepthCalculation::Distance
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// }
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fn far(&self) -> f32 {
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self.far
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}
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@ -51,16 +43,9 @@ impl Default for OffAxisProjection {
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}
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pub fn offaxis_camera_setup(mut commands: Commands) {
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print!("Setup {0}", line!());
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// We need all the components that Bevy's built-in camera bundles would add
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let projection = OffAxisProjection::default();
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println!("Setup {0}", line!());
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// position the camera like bevy would do by default for 2D:
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let transform = Transform::from_xyz(0.0, 0.0, projection.far - 0.1);
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@ -73,9 +58,7 @@ pub fn offaxis_camera_setup(mut commands: Commands) {
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&transform.back(),
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projection.far,
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);
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print!("Setup {0}\n", line!());
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commands.spawn((
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bevy::render::camera::CameraRenderGraph::new(bevy::core_pipeline::core_3d::graph::NAME),
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projection,
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@ -84,24 +67,7 @@ pub fn offaxis_camera_setup(mut commands: Commands) {
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GlobalTransform::default(),
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VisibleEntities::default(),
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Camera::default(),
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Camera3d::default()
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Camera3d::default(),
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ScreenInfo::default()
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));
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println!("Setup {0}\t{1}\n", line!(), file!());
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}
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// fn main() {
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// // need to add a bevy-internal camera system to update
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// // the projection on window resizing
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// use bevy::render::camera::camera_system;
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// App::new()
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// .add_plugins(DefaultPlugins)
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// .add_startup_system(setup)
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// .add_system_to_stage(
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// CoreStage::PostUpdate,
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// camera_system::<SimpleOrthoProjection>,
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// )
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// .run();
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// }
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