fix(engine): make sky box work when camera has orthographic projection

1 files changed, 14 insertions, 6 deletions

diff --git a/engine/src/rendering/main_render_pass.rs b/engine/src/rendering/main_render_pass.rs
index db1569d..13bb4e4 100644
--- a/engine/src/rendering/main_render_pass.rs
+++ b/engine/src/rendering/main_render_pass.rs
@@ -22,7 +22,7 @@ use crate::lighting::{
 use crate::material::{Flags as MaterialFlags, Material};
 use crate::mesh::Mesh;
 use crate::model::{MaterialSearchResult, Model};
-use crate::projection::ClipVolume as ProjectionClipVolume;
+use crate::projection::{ClipVolume as ProjectionClipVolume, Perspective, Projection};
 use crate::rendering::object::{Id as ObjectId, Store as ObjectStore};
 use crate::rendering::shader::cursor::{
     BindingTextureKind as ShaderBindingTextureKind,
@@ -381,13 +381,21 @@ pub fn add_main_render_pass(
                     .field("Uniforms")
                     .field("projection")
                     .binding(
-                        camera
-                            .projection
-                            .to_matrix_rh(
+                        (match camera.projection {
+                            Projection::Perspective(_) => camera.projection.to_matrix_rh(
                                 window.inner_size,
                                 ProjectionClipVolume::NegOneToOne,
-                            )
-                            .into(),
+                            ),
+                            Projection::Orthographic(_) => {
+                                // A orthographic projection cannot be used for a sky box
+                                Perspective::default().to_matrix_rh(
+                                    window.inner_size.width as f32
+                                        / window.inner_size.height as f32,
+                                    ProjectionClipVolume::NegOneToOne,
+                                )
+                            }
+                        })
+                        .into(),
                     )?,
                 sky_box_shader_cursor
                     .field("Uniforms")