Fix compiler and clippy warnings

src/camera.rs

@@ -15,7 +15,7 @@ impl Camera {
         let view = cgmath::Matrix4::look_at(self.eye, self.target, self.up);
         let proj = cgmath::perspective(cgmath::Deg(self.fovy), self.aspect, self.znear, self.zfar);
 
-        return proj * view;
+        proj * view
     }
 }
 

src/main.rs

@@ -35,14 +35,16 @@ fn main() {
             if !state.input(event) {
                 match event {
                     WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
-                    WindowEvent::KeyboardInput { input, .. } => match input {
-                        KeyboardInput {
+                    WindowEvent::KeyboardInput { input, .. } => {
+                        if let KeyboardInput {
                             state: ElementState::Pressed,
                             virtual_keycode: Some(VirtualKeyCode::Escape),
                             ..
-                        } => *control_flow = ControlFlow::Exit,
-                        _ => {}
-                    },
+                        } = input
+                        {
+                            *control_flow = ControlFlow::Exit
+                        }
+                    }
                     WindowEvent::Resized(physical_size) => {
                         state.resize(*physical_size);
                     }
@@ -68,7 +70,7 @@ fn main() {
 #[derive(Debug, Copy, Clone)]
 struct Uniforms {
     view_position: cgmath::Vector4<f32>,
-    view_proj: cgmath::Matrix4<f32>,
+    view_proj: Mat4,
 }
 
 impl Uniforms {
@@ -105,16 +107,16 @@ impl Instance {
 #[repr(C)]
 #[derive(Copy, Clone)]
 struct InstanceRaw {
-    model: cgmath::Matrix4<f32>,
+    model: Mat4,
 }
 
 unsafe impl bytemuck::Pod for InstanceRaw {}
 unsafe impl bytemuck::Zeroable for InstanceRaw {}
 
 struct State {
-    instance: wgpu::Instance,
+    _instance: wgpu::Instance,
     surface: wgpu::Surface,
-    adapter: wgpu::Adapter,
+    _adapter: wgpu::Adapter,
     device: wgpu::Device,
     queue: wgpu::Queue,
     sc_desc: wgpu::SwapChainDescriptor,
@@ -131,7 +133,7 @@ struct State {
 
     obj_model: Model,
     instances: Vec<Instance>,
-    instance_buffer: wgpu::Buffer,
+    _instance_buffer: wgpu::Buffer,
 
     light: light::Light,
     light_buffer: wgpu::Buffer,
@@ -393,9 +395,9 @@ impl State {
             texture::Texture::create_depth_texture(&device, &sc_desc, "depth_texture");
 
         Self {
-            instance,
+            _instance: instance,
             surface,
-            adapter,
+            _adapter: adapter,
             device,
             queue,
             sc_desc,
@@ -412,7 +414,7 @@ impl State {
             light_bind_group,
             light_render_pipeline,
             instances,
-            instance_buffer,
+            _instance_buffer: instance_buffer,
             render_pipeline,
             size,
         }

src/texture.rs

@@ -10,7 +10,7 @@ pub struct Texture {
 }
 
 impl Texture {
-    pub fn from_bytes(
+    pub fn _from_bytes(
         device: &wgpu::Device,
         queue: &wgpu::Queue,
         bytes: &[u8],