remove unused values from shader storage

assets/shaders/mandelbulb.wgsl

@@ -7,8 +7,6 @@
 
 struct VoluMaterial {
     mesh_translation: vec3<f32>,
-    sphere_radius: f32,
-    color: vec4<f32>,
     model_inverse: mat4x4<f32>,
     power: f32,
     iterations: i32,

src/main.rs

@@ -29,8 +29,6 @@ fn setup(
 
     let storage = buffers.add(ShaderStorageBuffer::from(MandelbulbStorage {
         mesh_translation: transform.translation,
-        sphere_radius: 1.0,
-        color: Vec4::default(),
         model_inverse: transform.compute_matrix().inverse(),
         power: 8.0,
         iterations: 32,

src/mandelbulb.rs

@@ -20,7 +20,6 @@ fn update_volu_material(
     q: Query<(&Transform, &MeshMaterial3d<MandelbulbMaterial>)>,
     mut volu_materials: ResMut<Assets<MandelbulbMaterial>>,
     mut buffers: ResMut<Assets<ShaderStorageBuffer>>,
-    time: Res<Time>,
 ) {
     for (transform, material) in q.iter() {
         let volu_material = volu_materials.get_mut(material.0.id()).unwrap();
@@ -29,12 +28,8 @@ fn update_volu_material(
             .get_mut(volu_material.extension.storage.id())
             .unwrap();
 
-        let elapsed = time.elapsed_secs_wrapped();
-
         let volu_storage = MandelbulbStorage {
             mesh_translation: transform.translation,
-            sphere_radius: (elapsed.sin() + 3.) / 4.,
-            color: vec4((elapsed.sin() + 1.) / 2., 0.0, 0.0, 1.0),
             model_inverse: transform.compute_matrix(),
             power: 8.0,
             iterations: 32,
@@ -71,8 +66,6 @@ impl MandelbulbExtension {
 #[derive(ShaderType, Clone, Default, Debug)]
 pub struct MandelbulbStorage {
     pub mesh_translation: Vec3,
-    pub sphere_radius: f32,
-    pub color: Vec4,
     pub model_inverse: Mat4,
     pub power: f32,
     pub iterations: i32,