added more features back
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b9d631d912
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348d7dce45
2 changed files with 65 additions and 70 deletions
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@ -1,7 +1,7 @@
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use bevy::prelude::*;
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use bevy::render::primitives::Frustum;
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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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#[derive(Component)]
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@ -14,9 +14,7 @@ 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!");
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Mat4::orthographic_rh(
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-self.aspect, self.aspect, -1.0, 1.0, self.near, self.far
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)
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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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// what to do on window resize
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@ -39,12 +37,16 @@ impl CameraProjection for OffAxisProjection {
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impl Default for OffAxisProjection {
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fn default() -> Self {
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Self { near: 0.0, far: 1000.0, aspect: 1.0 }
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Self {
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near: 0.0,
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far: 1000.0,
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aspect: 1.0,
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}
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}
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}
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pub fn camera_setup(mut commands: Commands) {
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print!("Setup {0}",line!());
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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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@ -56,36 +58,32 @@ pub fn camera_setup(mut commands: Commands) {
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..default()
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};
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print!("Setup {0}",line!());
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print!("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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// frustum construction code copied from Bevy
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let view_projection =
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projection.get_projection_matrix() * transform.compute_matrix().inverse();
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let frustum = Frustum::from_view_projection(
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let view_projection = projection.get_projection_matrix() * transform.compute_matrix().inverse();
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let frustum = Frustum::from_view_projection(
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&view_projection,
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&transform.translation,
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&transform.back(),
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projection.far,
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);
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);
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print!("Setup {0}",line!());
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// commands.spawn_bundle((
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// camera,
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// projection,
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// frustum,
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// VisibleEntities::default(),
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// transform,
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// GlobalTransform::default(),
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// // Camera2d,
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// )
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// );
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print!("Setup {0}\n", line!());
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print!("Setup {0}",line!());
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commands.spawn((
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camera,
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projection,
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frustum,
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VisibleEntities::default(),
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transform,
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GlobalTransform::default(),
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));
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print!("Setup {0}\t{1}\n", line!(), file!());
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}
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// fn main() {
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