changed vertex_color to vertex_uv

src/app.rs

@@ -3,17 +3,15 @@ use wgpu::util::DeviceExt;
 use crate::vertex::Vertex;
 
 const VERTICES: &[Vertex] = &[
-    Vertex { position: [-0.0868241, 0.49240386, 0.0], color: [1.0, 0.0, 0.0] }, // A
-    Vertex { position: [-0.49513406, 0.06958647, 0.0], color: [0.0, 1.0, 0.0] }, // B
-    Vertex { position: [-0.21918549, -0.44939706, 0.0], color: [0.0, 0.0, 1.0] }, // C
-    Vertex { position: [0.35966998, -0.3473291, 0.0], color: [0.0, 0.5, 0.5] }, // D
-    Vertex { position: [0.44147372, 0.2347359, 0.0],color: [0.5, 0.5, 0.0] }, // E
+    Vertex { position: [-0.5, 0.5, 0.0], uv: [0.0, 1.0] },
+    Vertex { position: [ 0.5, 0.5, 0.0], uv: [1.0, 1.0] },
+    Vertex { position: [ 0.5,-0.5, 0.0], uv: [1.0, 0.0] },
+    Vertex { position: [-0.5,-0.5, 0.0], uv: [0.0, 0.0] },
 ];
 
 const INDICES: &[u16] = &[
-    0, 1, 4,
-    1, 2, 4,
-    2, 3, 4,
+    0, 1, 3,
+    3, 1, 2
 ];
 
 pub struct App {
@@ -91,7 +89,7 @@ impl App {
         let prim_state = wgpu::PrimitiveState { // primitive
             topology: wgpu::PrimitiveTopology::TriangleList,
             strip_index_format: None,
-            front_face: wgpu::FrontFace::Ccw,
+            front_face: wgpu::FrontFace::Cw,
             cull_mode: wgpu::CullMode::Back,
             polygon_mode: wgpu::PolygonMode::Fill,
         };
@@ -131,6 +129,7 @@ impl App {
         );
 
         // Save values in app
+        println!("Initialized");
         Self { surface, device, queue, swapchain_desc, swapchain, pipeline, vertex_buffer, index_buffer }
     }
 

src/shader.frag

@@ -1,10 +1,10 @@
 // shader.frag
 #version 450
 
-layout(location=0) in vec3 vert_color;
+layout(location=0) in vec2 vert_uv;
 layout(location=0) out vec4 frag_color;
 
 void main() 
 {
-    frag_color = vec4(vert_color, 1.0);
+    frag_color = vec4(vert_uv, 0.0, 1.0);
 }

src/shader.vert

@@ -1,12 +1,12 @@
 #version 450
 
 layout(location=0) in vec3 in_position;
-layout(location=1) in vec3 in_color;
-layout(location=0) out vec3 vert_color;
+layout(location=1) in vec2 in_uv;
+layout(location=0) out vec2 vert_uv;
 
 
 void main() 
 {
-    vert_color = in_color;
+    vert_uv = in_uv;
     gl_Position = vec4(in_position, 1.0);
 }

src/vertex.rs

@@ -4,7 +4,7 @@
 #[derive(Copy, Clone, Debug, bytemuck::Pod, bytemuck::Zeroable)]
 pub struct Vertex {
     pub position: [f32; 3],
-    pub color: [f32; 3],
+    pub uv: [f32; 2],
 }
 
 impl Vertex {
@@ -23,7 +23,7 @@ impl Vertex {
                 wgpu::VertexAttribute {
                     offset: std::mem::size_of::<[f32; 3]>() as wgpu::BufferAddress,
                     shader_location: 1,
-                    format: wgpu::VertexFormat::Float3,
+                    format: wgpu::VertexFormat::Float2,
                 }
             ]
         }