render: make ClearColor a tuple struct

crates/bevy_render/src/pass/pass.rs

@@ -19,25 +19,12 @@ impl TextureAttachment {
 }
 
 #[derive(Clone, Debug)]
-pub struct ClearColor {
+pub struct ClearColor(pub Color);
-    pub color: Color,
-}
-
-impl ClearColor {
-    pub fn new(color: Color) -> Self {
-        ClearColor {
-            color,
-        }
-    }
-}
 
 impl Default for ClearColor {
     fn default() -> Self {
-        Self {
+        Self(Color::rgb(0.1, 0.1, 0.1))
-            color: Color::rgb(0.1, 0.1, 0.1),
     }
-    }
-    
 }
 
 #[derive(Debug, Clone)]

crates/bevy_render/src/render_graph/nodes/pass_node.rs

@@ -111,7 +111,7 @@ impl Node for PassNode {
         for (i, color_attachment) in self.descriptor.color_attachments.iter_mut().enumerate() {
             if self.default_clear_color_inputs.contains(&i) {
                 if let Some(default_clear_color) = resources.get::<ClearColor>() {
-                    color_attachment.clear_color = default_clear_color.color;
+                    color_attachment.clear_color = default_clear_color.0;
                 }
             }
             if let Some(input_index) = self.color_attachment_input_indices[i] {

examples/window/clear_color.rs

@@ -2,7 +2,7 @@ use bevy::prelude::*;
 
 fn main() {
     App::build()
-        .add_resource(ClearColor::new(Color::rgb(0.2, 0.2, 0.8)))
+        .add_resource(ClearColor(Color::rgb(0.2, 0.2, 0.8)))
         .add_default_plugins()
         .run();
 }