search for problem with custom projection matrices

src/main.rs

@@ -20,7 +20,7 @@ mod viewer;
 
 fn main() {
     App::new()
-        .insert_resource(ClearColor(Color::rgb(0.0, 0.1, 0.9)))
+        .insert_resource(ClearColor(Color::rgb(0.9, 0.9, 0.9)))
         .add_plugins(DefaultPlugins.set(WindowPlugin {
             window: WindowDescriptor {
                 title: "PixSpace".to_string(),

src/offaxis.rs

@@ -21,7 +21,7 @@ impl CameraProjection for OffAxisProjection {
     
         println!("Here we go! {:?}",self);
 
-        Mat4::perspective_rh_gl(45.0_f32.to_radians(), 
+        Mat4::perspective_rh(45.0_f32.to_radians(), 
             self.aspect, 
             self.near, 
             self.far)
@@ -49,7 +49,6 @@ impl Default for OffAxisProjection {
     }
 }
 
-
 pub fn make_projection_rh_from_frustum(left: f32, right: f32, bottom: f32, top: f32, near:f32, far:f32) -> Mat4
 {
     // based on OpenSceneGraph / glFrustum implementation
@@ -70,6 +69,8 @@ pub fn offaxis_camera_setup(mut commands: Commands) {
 
     let projection = OffAxisProjection::default();
 
+    // let projection = PerspectiveProjection::default();
+
     // position the camera like bevy would do by default for 2D:
     let transform = Transform::from_xyz(0.0, 0.0, projection.far - 0.1);
     

src/scene.rs

@@ -96,18 +96,18 @@ pub fn build_scene(
             shadows_enabled: true,
             ..default()
         },
-        transform: Transform::from_xyz(4.0, 8.0, 4.0),
+        transform: Transform::from_xyz(4.0, 8.0, -4.0),
         ..default()
     });
 
 
     // camera
 
-    let mut cam = Camera3dBundle {
-        transform: Transform::from_xyz(-2.0, 2.5, 5.0).looking_at(Vec3::ZERO, Vec3::Y),
+    // let mut cam = Camera3dBundle {
+    //     transform: Transform::from_xyz(-2.0, 2.5, 5.0).looking_at(Vec3::ZERO, Vec3::Y),
 
-        ..default()
-    };
+    //     ..default()
+    // };
 
 
 

src/viewer.rs

@@ -35,7 +35,17 @@ pub fn simulate_viewer(mut query: Query<&mut Viewer>)
     for mut v  in query.iter_mut() {
         //v.position += Vec3::Y * 0.005;
         v.alpha += 0.01;
-        let radius = 0.5;
-        v.position = Vec3::new(v.alpha.sin()*radius,v.alpha.cos()*radius,5.0);
+        let radius = 1.5;
+        v.position = Vec3::new(v.alpha.sin()*radius,v.alpha.cos()*radius + 1.0_f32,15.0);
+
+        let vm = Mat4::look_at_rh(v.position, Vec3::ZERO, Vec3::Y);
+
+        println!("{:?}",vm);
+
+        // view matrices should be orientation only
+        let dir = Quat::from_mat4(&vm);
+
+        v.orientation = dir;
+
     }
 }